Sliding blade

A blade scraper has a hand grip casing with a blade storage compartment and a slide mounted in a chamber of the casing for holding a razor blade and permitting retraction of the razor blade into an inoperative position and sliding movement to an operative position with the blade in a scraping position...     

An arcuate scraper for concave surfaces, such as the inside surface of many automobile windshields, having an elongated handle with a forward end portion arcuate in transverse cross section, a scraping blade disposed transversally on the concave surface of the forward end of portion, a longitudinally...     

A safety knife adapted for cutting corrugated cardboard boxes and the like which is characterized by having a cutting blade which is continuously biased toward a retracted position within the knife's handle. The blade is held within a carriage that is slidable along a groove within the handle. A tension...     

A retractable cutting implement, such as a utility knife, comprises a sleeve-like handle member having a cavity portion with the handle member being open at the base and at one end through a first longitudinal slot. A carrier member is pivotally mounted to the handle for pivotal movement into and out...     

A combination hunting knife includes a larger, integrally formed knife having a handle portion comprised of a pair of parallel tangs defining an elongated open space therebetween which snugly receives a smaller knife for storage. An integral, resilient cantilever acts as a detent for releasably retaining...     

The invention relates to hand knives of the type comprising a hand grip which houses a strip steel blade with snap-off ends, which when worn can be removed to reveal a fresh operative blade tip. The hand grip comprises an elongated body with a longitudinal slot along which a blade-shifting element of...     

An adjustable blade knife is made by extruding a continuous strip of extrudable hardenable material with the strip having a planer web between thicker marginal portions and opposing slots in the marginal portions, individual knife handle bodies are stamped from the strip and a knife blade is assembled...     

A pocket-sized claw-like multibladed weapon adapted to be held in the closed fist with the blades being spaced apart and projecting outwardly between adjoining fingers; likened to animal claws or talons of birds of prey. For storage and handling of the weapon, the blades are retractable, foldable, pivotable,...     

A combination belt buckle and knife for use with a belt as an attractive article of wear, and wherein a knife blade concealed within a recess of the belt buckle is removably detached from a base member of the buckle, with the cover plate for the base member recess serving as a handle for the knife blade...     

A cutting blade holding handle for a segmented removable blade. A cutting blade holding handle having a rectilinear hollow body with curved outer faces and having an inner guide consisting of two identical grooves facing each other to slidably mount a removable blade and a lower parallel auxiliary groove...     

An utility knife comprising a two part housing, a slidable blade therein, means restricting the blade to a relatively small projection from the housing, spring means normally retracting the blade to fully housed condition within the housing, an exterior thumb piece to slide the blade, frangible means...     

A scraper assembly comprising a housing having a head portion adapted to receive and retain a blade unit, and a cover member adapted to cover the blade retained by the head portion, the cover member being releasably retained by engagement with the head portion and completely separable therefrom, the...     

An anti-rape defensive weapon is provided comprising a barbed shank similar to a fish-hook barb carried in a barrel like hand grip arranged to expose the barbed shank when the device is pressed against the flesh of an assailant. A particular feature provides for the separation of the shank lodged in...     

A cutter knife having a sheath type holder, a control knob slidably mounted in the holder and a blade attached to and retained by the control knob. The holder is provided with an elongated slot along which the control knob is moved, a longitudinal through passage through which the blade is passed, a...     

A cutter knife comprising a band-shaped blade, a tubular holder for supporting said blade to make it movable in the axial direction thereof, an operating member for locating said blade at any desired position, and means for securing said operating member to any desired position with respect to said holder,...     

A retractable blade knife adapted for use selectively with either the long narrow standard type of blade having score lines for breaking off successive end portions when worn and a large hole at its rear end or the shorter wider type of blade, sometimes double ended, with one or more smaller holes. The...     

A knife sheath including a spring pressed locking pin engagable with a hole in the handle of the knife to positively retain the knife in the sheath. The sheath also includes a buckle fastened to one side of the sheath and an adapter including a strap extending along the same side of the sheath and engagable...     

A knife apparatus having a knife handle of a substantially C-shaped cross-section defining a groove extending in a longitudinal direction of the handle, a slider slidably received by the groove of the handle and an elongated cutting blade secured to the slider so as to be extended and retracted as the...     

A retractable blade knife of the type having an elongate tubular handle and an elongate flat thin blade mounted for longitudinal sliding movement in the handle, is provided with a combination slide and latching member for positioning the blade which includes a slide mounted for sliding movement on the...     

A retractable blade knife 10 comprises an elongate handle 11 which is in two halves 14, 15 clamping therebetween a replaceable blade 12 which can be extended and retracted by means of a cursor 18 and which has "break-lines" 32 for breaking off successive end portions 33. To clamp the blade 12 firmly...     

An elongated knife handle is provided with a blade carrier with a thumb button extending through a longitudinal top slot in the handle and is depressed for manipulating and latching the blade carrier in its sheathed and unsheathed positions. An integral upstanding abutment which extends higher than the...     

A pocket knife with a retractable blade wherein a blade is mounted within the handle for generally axial reciprocatory movement to operative position beyond one end of the handle and inoperative position within the handle. A novel pivotally mounted leaf spring cooperates with a suitably shaped trackway...     

The knife with an extensible and retractable blade has a hollow knife grip and a blade magazine with a plurality of superposed blades therein. With the aid of two entraining members in the form of a pusher bar and two gripper arms of a blade-changing device which slides with the entraining members along...     

A handy safety knife comprises a generally flat holder having a chamber and an opening both defined therein, an elongated blade member, a manipulatable member carried by the holder for movement between projected and retracted position and operatively coupled to the blade member, a spring element for...     

A knife having an elongated holder provided therein with a channel to the exterior at its upper side through a slot provided in the top wall of the holder, a blade carrier having a slider slidably received by the channel of the holder, and a blade detachably secured to the blade carrier through an engagement...     

A razor knife has an elongated housing formed of a front housing part and a rear housing part and having a longitudinally extending guide. The rear housing part is backwardly separable from the front housing part and carries a blade holder which has a seat for a razor blade and an actuator button exposed...     

A knife apparatus comprises an elongated handle member formed with a groove of a C-like cross-section, a slide unit disposed longitudinally slidably within the groove, and a blade slidably disposed in the groove and having a base portion connected to the slide unit. Locking member is provided for the...     

A knife of a pencil type includes a barrel or outer member in which a slidably carried support or inner member is connected in an end-to-end relation with a blade assembly for movement of the blade assembly to extended and retracted positions relative to one end of the barrel member. The blade assembly...     

The plastics handle 21 of a retractable blade knife 20, which also comprises a blade 22 and a blade-slider 23, is molded in one piece in a two-part molding tool 50 which can mold several such handles simultaneously. The handle has a series of wall portions, 39, 40, 27 and 43, 44, 28, 48 alternating with...     

A replaceable blade type knife in which the blade is replaced at an intermediate point between opposite longitudinal ends of the case body so as to improve the operational efficiency and safety of the knife. The knife includes a restrictive arrangement for enabling dismounting of the sliding member from...     

A safe knife is provided by utilizing a spring operated blade guard which automatically covers the blade of the knife at such times when the knife is not in use. The blade guard includes a knife guide plate which serves to correctly position the knife blade for a cutting operation, and the blade guard...     

A disposable, or one-time-use microsurgical knife has a slidable shroud that can be moved into a forward position to protect the blade, and can be moved rearwardly to allow use of the knife. The shroud, as well as other parts of the knife, are made of plastic, and a phosphorescent material is included...     

There is provided a dry-shaving apparatus comprising a housing section having an opening formed therein. A trimmer constructed as a flat unit is arranged on the housing section so as to be slidable between at least two positions, the trimmer unit being mounted in the opening. Two lateral guide portions...     

A safety utility knife includes a handle, a blade fixed to the forward end of the handle, and a retractable sheath which is received within the handle. A mechanism is provided for automatically retracting the sheath within the handle by depressing a single button at the rear of the handle.

Described is a belt buckle to which may be attached a tool in the form of a flat plate. The buckle body is formed by a fitting case and a base plate mounted to the rear surface of the fitting case. A leaf spring is mounted in the buckle body for pressingly holding the tool in the housed state. The plate...     

An improved scraper hand tool includes upper and lower housing members defining a hollow casing and an operating member axially movable therein to carry a blade between a first interior storage position, a second cutting edge protracted position, and a third blade removal and insertion position. The...     

A multi-purpose hand tool applicator is provided for applying coating material to a surface. The tool comprises an elongated handle having a blade-receiving slot longitudinally disposed therein for detachably receiving one of a plurality of applicator blades each having a male portion for insertion into...     

A device for holding a backed razor blade comprising a holder including a strip of sheet metal folded on itself to have first and second layers joined at one end. The blade is receivable between the layers adjacent the folded end. The strip at the folded end is cut away at one corner to receive and expose...     

A microsurgical knife having a shroud that can be locked in two or three positions. The knife has a body with a blade at one end, and an enlarged cap at the other, the cap acting as a stop for the shroud. Grooves along the knife body receive projections on the shroud allowing the shroud to slide but...     

A knife handle employs a blade carrier having a planar blade support, a pair of parallel projecting flanges, and a laterally projecting lug for securing a blade in position to the carrier. A lateral retention tab extends from said carrier to capture an upper portion of a mounted blade for laterally securing...     

A combination food peeler and slicer having parallel peeler and slicer blades. The peeler blade is rotatably mounted in the handle so that it can rock through a limited angular range. The slicer blade is slidably mounted for movement into and out of the handle. The locking arrangement prevents rotation...     

A cutter having a circular rotary blade comprises: a handle; a blade mounting section formed on one end of the handle; a circular blade secured to one side of the blade mounting section and rotatably carried at its central portion; a slot having an opening formed in the blade mounting section at a position...     

A trocar assembly (70) formed from a trocar tube subassembly (74) and a separable, interfitting trocar subassembly (72). The trocar tube assembly includes a head (112) having a bore (120) into which a trocar tube (116) is fitted and a manually operated slide valve assembly (118) mounted transversely...     

A knife for trimming wallpaper has two tapered body parts 8 and 9 between which is held a tipped cutting blade 5. The body parts have external side faces which are flat around central recesses. When the side face of a body part is in engagement with a flat surface 4, such as a wall, the tip of the blade...     

A cutting device with a safety lip to prevent the end of a blade of the device from causing injury to a limb when a wrapping or bandage is being cut therefrom. The device includes a handle and at one end there is mounted a cutting blade having a point and the point is covered by a blunt lip which engages...     

An elongated blade formed on its opposite ends with points and including first, second and third pairs of bores disposed respectively at one end of such blade, centrally on such blade and at the opposite end of such blade. A handle is received telescopically on the blade and includes a latch for selectively...     

A cutting and scraping device is formed of two substantially identical sections which are joined together to form a slot which receives a razor blade having a blade edge and a handle edge. A locking member is provided to lock the blade in place with either its blade edge or handle edge exposed.

A magazine type knife has a magazine which can be fitted in and removed from a magazine storage cavity formed in a main body of the knife. The magazine comprises a magazine case, a base plate, a first elastic body and a second elastic body, all of which are inseparably assembled together, but with which,...     

A retractable knife handle employs a blade carrier mounting a blade for longitudinally moving the blade between retracted sheathed and extended unsheathed positions. A leaf spring extends from the blade carrier to engage an inwardly projecting cam surface so that when the blade carrier is shifted to...     

A keycase enclosing a sliding blade knife. Blade exposed and sheathed with one hand by thumb action. Provides protection going to and from locked automobile and residence while holding preselected key. Spring loaded detent holds blade open or closed. Keycase serves as knife handle and sheath. Thin flat...     

A utility saw wherein the saw blade is mounted in retractable sliding relation within the saw handle. Blade exposure is controlled via a compressively acting lock nut assembly and a plurality of detents provided along the slide path. The handle also provides for extra blade storage, a belt carrying loop,...     

A multiple use hand tool comprises an elongated housing defining a handle having a longitudinal through bore in which is slideably mounted a tool holding member for holding a utility knife blade at one end and a marking crayon at the other end for selective extension from the respective end of the handle...     

A knive having a tubular handle and provided with an open end for receiving a pair of blade clamping members in the form of leaf springs, one of the leaf springs being longer than the other leaf spring and having a projecting tab for insertion into a hole in the shank of a blade to be coupled to the...     

A knife holder for a utility knife is disclosed comprising an elongated case forming a blade opening at the forward end and an interior guide for guiding a blade carrier and a blade carrier adapted for mounting a blade and being slidably mounted to the guide for selective longitudinal movement between...     

A cutter type knife having a handle with a blade disposed to slide axially within the handle. Elements are provided for manually deploying the blade and automatically retracting the blade when a manual operating element is released. The manual operating element is a member adapted to be at least partially...     

A utility knife utilizing a standard commercial blade as a handle forming a guide for a blade slide and also serving as a housing for the blade in a retracted safe position. The blade slide is advanced and retracted by a toggle linkage connected with an operating lever pivotally attached to the handle...     

A pair of grip scissors is provided which comprises a grip scissor body having a pair of mutually open/close-able scissor segments, a housing case capable of housing therein the grip scissor body movably in the lengthwise direction thereof and of projecting the grip scissor body outward, at least one...     

The device is a cutting tool for opening cardboard boxes and the like including a handle with rounded ends a blade slot and an adjustment opening. There is also provided a razor blade and an adjustment device to position the blade longitudinally within the blade slot.

An artistic technical knife which has a double-edged blade having a sharpened point at its terminus and a number of frangible recesses extending at oblique angles from one edge of the blade to the opposite side of the blade to divide the blade into a number of triangles; a blade holder; and a push knob...     

A surgical scalpel having an extendable blade, said blade being extended by rotating a movable portion of a barrel with respect to a fixed barrel portion, the initial extension being done at a fast rate and the final extension or depth adjustment being done at a slow rate. Additionally, the invention...     

A retractable utility knife comprises a handle having a front portion and a rear portion, a blade carrier slideably mounted in a passageway in the front portion of the handle for positioning a blade in retracted-protected, exposed-cutting, or advanced attachment-detachment positions, with the passageway...     

There is provided a knife having a blade and handle. The knife incorporates acceleration detection means adapted to cause automatic occlusion of the blade upon detection of violent movement of the knife of at least 25 meters per second per second.

A pair of scissors having a pair of blades which are slidingly fitted between a pair of handles which are pivotally supported one on the other. The blades are drawn out when the scissors are used, and they are accommodated between the handles when the scissors are not used, thus enabling the scissors...     

A slider for a cutter knife comprises a slider main body (1) having a protrusion (6) for engaging a cutter blade (40), the blade and slider main body then being inserted into a holder (30) for longitudinal movement therein. A resilient stopper (3) is provided in the slider main body and includes forwardly...     

An implement is provided for opening letter envelopes comprised of a body defining a handle and an envelope receiving crevice of a predetermined width and length. A blade is disposed within the body and has a cutting edge directed toward the crevice. A guide within the body limits movement of the blade...     

A utility knife employs a slide having a cantilevered lever for capturing a blade therein. A leading blade in a reservoir is capturable by the slide using a tooth resiliently affixed to the slide which is positioned to enter a locking hole in the blade. The tooth may be withdrawn from the hole in the...     

An emergency seat belt cutter for mounting in the passenger compartment of a vehicle. The cutter has a handle, a long and narrow blade mounted longitudinally in a blade support portion integral with the handle and lugs on the handle for engagement with a sheath. The sheath has a cylindrical interior...     

A knife comprises a substantially hollow handle, a short knife blade guided longitudinally movable in a knife blade guide track and at least one guided slider member coupled indirectly with the handle side of the longitudinally movable knife blade. The slider member is provided or associated with a longitudinal...     

A utility knife has a handle housing within which a slide bearing a knife is mounted for longitudinal displacement. Retraction means act on the knife to move it into a protected position. Turnably mounted within the housing (10) is a friction disk (22) which extends out of the handle housing (10) on...     

A pocket type having a retractable blade that can be slidably extended from a casing in either of two directions. End sections of the blade are specially configured to perform tool functions, such as sawing, cutting, filing, screw-driving, or bottle cap opening. A special latch structure is provided...     

A cutting device including a handle and blade. The blade being detachably connectable to the handle, and the handle including a guidance mechanism. This guidance mechanism has a convex peripheral edge and is rotatively connected to the handle. The cutting device also includes an engagement and disengagement...     

A drywall utility knife is set forth including a main housing provided with an elongate slot positioned in a parallel relationship between the opposed parallel sides of the main housing. A removable knife housing is frictionally retained relative to the main housing and is provided with a biasing member...     

This invention relates to a novel cutting tool. More particularly, this invention relates to a novel cutting tool which is specifically adapted to cutting the sheath of conducting cable without cutting or damaging the underlying conducting elements of the cable. A cutting tool useful for cutting sheathing...     

A household utensil, in particular a fruit or vegetable peeler is composed of a handle, a cutting blade and two support bars parallel to the blade. The blade and at least one of the support bars form a unit which moves in translation towards the handle and can be retracted into the handle. The retraction...     

A replaceable adjustment mechanism comprising an adjustment member and a clip means is described which is substantially rigidly mountable in a bore in a receiving structure. The shank of the adjustment member includes a reduced perimeter portion and a further reduced perimeter portion, and the clip means...     

The present disclosure describes a pocket knife. The pocket knife comprises a pair of bolster linings superposedly fixed to each other and defining a space therebetween, a cutting blade slidably mounted in the space relative to one of the linings and adjacent thereto, a leaf spring fixed to the other...     

A utility knife having a main body formed from a pair of body portions which are assembled together. The main body has an opening at the front with means to prevent the pair of body portions from spreading apart and with means to prevent the blade from swaying from side to side.

A utility knife comprises a hollow casing formed by a pair of elongated members pivotally mounted one to the other at one end of the casing. A blade passage is provided at another end of the casing. The elongated members are adapted for movement in substantially parallel planes between aligned closed...     

A knife having pivotally connected handle parts and a blade mounted on a carrier. An actuator is manually operable to move the carrier to extend the blade from the handle and to retract the blade within the handle. The handle parts are held locked together while the blade or a part thereof is extended...     

A utility knife employs a slide having a cantilevered lever for capturing a blade therein. A leading blade in a reservoir is capturable by the slide using a tooth resiliently affixed to the slide which is positioned to enter a locking hole in the blade. The tooth may be withdrawn from the hole in the...     

A knife sheath having front and back panels made of flexible material is lined with elongated flexible magnets affixed to the inner surface of the panels. The magnets grip the blade of the knife holding it in the sheath. Non-magnetic material separates the ends of the magnets at the sheath opening to...     

A knife of the kind having a blade (14, 43) and a handle has an extendible and retractable blade edge guard (16, 45). When the blade (14, 43) is extended, any violent movement of the knife with the cutting edge in a leading attitude acts inertially to disengage a detent (27, 55) from a recess (28, 57)...     

A utility knife for electricians has a handle member formed of two mating parts with a blade carrier therein that moves a blade in an out of a slot in an end wall. The handle member has an aperture in the end remote from the slot that has a slitting knife partially protruding therein for slitting "Romex"...     

An improved utility knife including a handle with a razor cutting blade end and a toothed cutting wheel end. An alternate embodiment includes a necked handle with a toothed cutting wheel affixed to a retractable arm which thereby allows the toothed cutting wheel to be retracted within the handle. A measuring...     

In a knife for a cutting tool with a pivotally oscillating drive, in particular for severing joint seals or insulations on glass panes, with the knife comprising a holding part for attachment to a drive shaft and a blade part, in order to make replacement more economical when the knife is worn, it is...     

A tool and sheath combination in which the tool is securely engaged in the sheath. A release bar having a tip and a distal end is coupled to the sheath. The tool has at least one recess for accepting the tip of the release bar when the tool is fully inserted in the sheath. A flexible element coupled...     

A knife and sheath combination in which the sheath may be attached in and inverted position on a harness strap such as a shoulder holster or backpack strap by screws and the knife held in the sheath with a quick release. The sheath may also be attached to clothing by use of VELCRO and may also have a...     

A utility knife comprises a lower elongate part shell 1 and an upper such part shell 3 forwardly fitted with interengaging wedging surfaces whereby they clamp together on relative longitudinal movement. This movement is achieved by turning nut 2 on shank 8 to bear on wall 30. The loosening of the nut...     

A utility knife especially suitable for use by either right-handed or left-handed persons includes a generally symmetrical casing, as viewed from the side, having a generally pointed leading edge and two surfaces sloping back at equal angles from the point. When a standard razor-like blade is positioned...     

A folding knife has a blade that pivots so that the cutting edge may be protected within the handle or extended for use. The blade has an extended tang which may be locked into the handle when the cutting edge is extended. The knife can be disassembled without tools for cleaning.

A utility knife comprises a lower elongate part shell 1 and an upper such part shell 3 forwardly fitted with interengaging wedging surfaces whereby they clamp together on relative longitudinal movement. This movement is achieved by turning nut 2 on shank 8 to bear on wall 30. The loosening of the nut...     

A utility knife having a main body formed from a pair of body halves which are assembled together. The main body has an opening at the front with means to prevent the pair of body halves from spreading apart and with means to prevent the blade from swaying from side to side. In addition, means are provided...     

A utility knife comprises a lower elongate part shell 1 and an upper such part shell 3 forwardly fitted with interengaging wedging surfaces whereby they clamp together on relative longitudinal movement. This movement is achieved by turning nut 2 on shank 8 to bear on wall 30. The loosening of the nut...     

A utility knife having a main body formed from a pair of body halves which are assembled together. The main body has an opening at the front with means to prevent the pair of body halves from spreading apart and with means to prevent the blade from swaying from side to side. In addition, means are provided...     

A sheath for a knife having a blade and a handle, the handle having a guard with a first and an opposing second portion. The sheath comprises a body with a cavity to receive the knife blade and a recess with one side forming a ramp to receive the first portion of the knife guard. The second portion of...     

A double-ended retractable knife having a blade carrier slidably mounted and selectively positionable longitudinally within a housing from a central stored position in either direction to an in-use position. The blade carrier securely positions a blade extending from each end thereof such that one of...     

An improved retractable knife comprises two coalescent casings which has a sliding seat and a driving button inside. Two casings are combined firmly so that the sliding seat can move inside the casings firmly.

A replaceable blade knife comprises two elongate handle portions and a blade carrier assembled together; the blade protruding, or being arranged to protrude, from a front end of the handle, between respective front ends of the two handle portions. The upper handle portion has a thumb-nail-sized aperture...     

A sheath knife handle includes an arm member offset from the main portion of the handle and attached to the handle by a flexible segment to permit arm member displacement by pressing with a finger. The arm member includes a latch component which upon inward arm member movement disengages a knife sheath...     

A blade pivots on its tang into and out of a slot in a blade carrier. The carrier, in turn, slides in a handle between two positions. In the first position, the blade is prevented from pivoting out of the carrier by contact with the handle but in the second position the blade is free to rotate out of...