Abstract: A folding knife includes a handle assembly and a blade with a tang mounted to the handle assembly for pivotal movement of the blade between open and closed positions. The knife includes a bolt locking assembly carried in the handle assembly for movement between a locked configuration and an unlocked configuration. The bolt locking assembly includes first and second bolts. In the locked configuration of the bolt locking assembly, the first and second bolts are in an interference position with the tang so as to prevent pivotal movement of the blade.

Abstract: A slider has an upper sliding element, a lower sliding element and a resilient tab. The upper sliding element has two first engaging segments disposed on an inner side of the upper sliding element. The lower sliding element has two second engaging segments disposed on an outer side facing the inner side of the upper sliding element and engaging the first engaging segments. A tab holding base is formed on and protrudes from the outer side of the lower sliding element and has a chamber defined in the tab holding base. The resilient tab is held in the chamber in the lower sliding element and has two legs. Accordingly, a slider having a structure in a closed condition is provided to prevent objects from entering into the chamber to interfere the operation of the resilient tab and the operation of the slider is smooth.

Abstract: A blade cover may include a cover body defining an interior volume, the cover body being configured to receive a cutting implement within the interior volume, a recess is disposed in the cover body, and a slot is disposed through the recess, the slot defining an opening into the interior volume, wherein the slot is configured to receive at least a portion of a blade of the cutting implement and the recess is configured to expose at least a portion of the blade of the cutting implement.

Abstract: A card holder with a built in seatbelt cutter is provided. The present invention may include a back plate with an outer perimeter formed by a top end, a bottom end, a first side, and a second side. The back plate may include a cutout portion formed through the outer perimeter and into the back plate. The present invention may further include a cutter blade attached to the back plate and disposed within the cutout portion. The present invention may further include a card receptacle attached to the back plate that is sized to receive and secure a card within.

Abstract: A dual safety utility knife having a safety guard positioned next to the cutting blade preventing accidental injuries when the tip of the knife accidentally contacts human bodies. A spring keeps pushing out the safety guard to cover the side of the cutting blade at all times. The safety guard moves back inside the knife shell only when the tip of the knife pressed against hard objects for cutting. The safe guard doesn't move back inside the knife shell when the knife tip pressed against soft objects such as skins and mussels. Additional safety feature keeps locking the safety guard from movements at all times for extra safety protection. The safety guard is released only when the safe release button manually pushed in. A box cutting guide allows cutting the top of the boxes with an even straight line. A blade folder is provided for fast blade change.

Abstract: A safety knife comprises a knife body (10), a blade carrier (16) movable within the knife body (10) between a retracted position and an extended position, biasing means (24) urging the blade carrier (16) towards its retracted position, latch means to latch the blade carrier (16) in its extended position, and a weight (36) movable along a passage (32) relative to the knife body (10) and engageable with release means (40) to release the latch means.

Abstract: The present invention is directed to a cutter knife body having a grip portion, wherein the grip portion comprises a trigger lever, a cutting blade provided on an end of the cutter knife body, a pin rotatably supporting the cutting blade in the cutter knife body, a locking member placed in an opening formed in the cutter knife body, and a pair of cutting blade protector flanges, each protector flange being disposed on a side of the cutting blade, wherein each of said pair of cutting blade protector flanges has an outward protrusion from a surface of the flange, the grip type cutter knife characterized by further comprising: a pair of springs located between the pin and each of the outward protrusion. from the flange surface, wherein the pair of flanges is slidably supported in the cutter knife body by the pin and the pair of springs.

Abstract: This invention relates to a blade storing device and blade combination. The blade includes opposite substantially parallel sides which meet at a cutting edge. The blade storing device includes a housing having an access opening at an end of the housing through which the blade can be moved longitudinally to be inserted into or withdrawn from the housing. The combination includes a blade restraining mechanism that includes a restraining member coupled to the housing and an opening within the blade, the restraining member having active and inactive positions. In the active position, the restraining member is positioned inside the opening within the blade for preventing withdrawal of the blade from the housing. In the inactive position, the restraining member is positioned outside the opening within the blade for allowing withdrawal of the blade from the housing.

Abstract: A knife has a blade holder in a housing adapted to hold a blade and shiftable between a first cutting position with the blade projecting a little from the housing and a second position projecting somewhat more from the housing. An actuating element shiftable in the housing between a starting position and an actuating position is effective on a connecting linkage such that in a first orientation force is transmitted to the blade holder to retain the blade holder against moving into its retracted safety position from its first cutting position and in the second orientation the linkage does not prevent the blade holder from moving into its safety position from its second cutting position.

Abstract: A cutter with a slider that can be pushed from two directions has a housing, a blade holder, a slider and a blade. The slider is mounted moveably on the housing, is connected to the blade holder and has an upper sliding element, a lower sliding element and a resilient tab. The upper sliding element has an L-shaped cross section to form a top wall and a side wall corresponding respectively to a top wall and a side wall of the housing. A guiding recess is defined by the side wall of the upper sliding element to slidably receive a portion of the side wall of the housing that forms an edge of a guiding channel. Accordingly, the cutter is convenient in use.

Abstract: A folding tool with improved locking features is provided. The locking feature comprises a substantially rigid member disposed between or proximal to a handle portion of the tool. The substantially rigid member comprises a bifurcated end forming at least one biased member for contacting a tang of the tool and securing the tool in at least one of a closed and an open position with additional locking features.

Abstract: A modular spring assembly configured for interconnection with a folding tool is provided. The modular spring assembly may be positioned coaxially with a pivot axis of the folding tool and interconnected to the folding tool. In one embodiment, the modular spring assembly includes a cup and a torsion spring.

Abstract: Provided is a hand-held electric cutting machine having excellent spark control capability, high stability, good usability and high versatility. A unit having: a first guard which covers a part of a disc-shaped cutting tool; a second guard which covers a part of the disc-shaped cutting tool and is rotatably attached to the first guard; a movable guard which is rotatable around outer peripheries of the first guard and the second guard, covers a part of the disc-shaped cutting tool, and is attached on the second guard; and a protector which covers an outside of the movable guard and is attached on the second guard, is attached to a hand-held electric tool serving as a driving source.

Abstract: A utility knife includes a handle and a pivotably connected blade retainer for retaining a blade. An external, symmetrically toothed gear is fixed relative to one of the handle or the blade retainer, and a locking mechanism is associated with the other. The locking mechanism cooperates with the gear to lock the blade retainer in one of a plurality of fixed positions and includes pawls located in channels having converging ends. A manually actuable release mechanism is associated with the locking mechanism for unlocking the blade retainer to permit pivotal movement. Furthermore, a manually actuable blade release mechanism is associated with a blade locking mechanism contained in the blade retainer, for locking and releasing the blade when exchanging a dull blade for a replacement blade.

Abstract: A slider has an upper sliding element, a lower sliding element and a resilient tab. The upper sliding element has two first engaging segments disposed on an inner side of the upper sliding element. The lower sliding element has two second engaging segments disposed on an outer side facing the inner side of the upper sliding element and engaging the first engaging segments. A tab holding base is formed on and protrudes from the outer side of the lower sliding element and has a chamber defined in the tab holding base. The resilient tab is held in the chamber in the lower sliding element and has two legs. Accordingly, a slider having a structure in a closed condition is provided to prevent objects from entering into the chamber to interfere the operation of the resilient tab and the operation of the slider is smooth.

Abstract: A pocket knife including a first body portion including a first engaging member, and a second body portion including a second engaging member arranged to engage the first body portion with the second body portion. The first body portion and the second body portion are separated from each other when not engaged. A tool element is arranged to be housed in the first body portion when in a closed state and displaced outward when in an opened state. A first locking member is arranged to be actuated by the tool element, and cooperates with a second locking member provided on the second body portion, and wherein when the first engaging member is engaged with the second engaging member, and when the first locking member and the second locking member are prevented from moving, the first body portion and the second body portion are prevented from being separated.

Abstract: A knife (1) and a knife housing (2, 4). The knife comprises the housing (2, 4), which includes a blade slider (20) which is mounted to the housing (2, 4) and is reciprocable by means of an actuating device (6) between a safety position and a cutting position, and a return element (30) for applying a return force to the blade slider (20) in the direction of the safety position. The knife further comprises a blade (10) arranged on the blade slider (20). In this arrangement the blade (10) is mounted rotatably to the blade slider (20).

Abstract: A holster for a cutter apparatus includes a body sized to receive a cutter apparatus therein and configured to provide a cutter-holster interface that causes a component of the cutter apparatus to reposition in relation to a housing of the cutter apparatus as the cutter apparatus is pushed into the holster. The component (e.g., a blade depth selector) is automatically repositioned to a safe (or other predetermined) position in response to the cutter apparatus being pushed into the holster.

Abstract: A cutter apparatus includes a housing with an opening, a blade carrier coupled to and repositionable in relation to the housing, an actuator for repositioning the blade carrier to a deployed position, the blade carrier repositioning toward the deployed position in response to movement of the actuator toward an actuator blade deployment position, a push rod that is repositionable within the housing and coupled to the blade carrier such that a location of one or more portions of the push rod in relation to the housing determines the blade depth extending from the opening of the housing when the blade carrier is deployed, and a blade depth selector coupled to the push rod such that a user of the cutter apparatus can set the location to provide a desired blade depth by selectively repositioning the blade depth selector in relation to the housing.

Abstract: A peeling tool includes a main shaft, a handle affixed to a first portion of the main shaft, a nose rotatably coupled to a second portion of the main shaft, a blade assembly positioned intermediate the handle and the nose about the main shaft, the blade assembly including a first arcuate blade and a second arcuate blade defining a space therebetween for the passage of a slice of a food product, and a peel thickness adjustment mechanism, the peel thickness adjustment mechanism being actuatable to adjust a dimension of the space.

Abstract: A knife has a housing, a blade carrier supported in the housing and adapted to hold a blade, and an actuating element coupled to the blade carrier. A handle can move between a nonactuated position and an actuated position and is coupled to the actuating element such that on movement from the nonactuated position to the actuated position the actuating element displaces the blade carrier from a safety position in which blade mounted on the blade carrier is retracted into a seat of the housing in a first cutting position in which the blade projects out of the housing. A pivot joint connects the actuating element with the blade carrier. A guide supports the blade carrier in a translatory and a rotatable manner on the housing.

Abstract: A safety mechanism for a utility knife is provided to prevent more than one retraction of the blade shield for each trigger actuation. A separable linkage extends between an actuator and a strut, and has a seat member and a deflecting member that are linked together when the actuator is not depressed and the strut is in the safety position blocking the retraction of the shield. The separable linkage is configured to transmit the pressing action of the actuator to the strut to disengage it from the bracket. The separable linkage is configured to delink as the shield retracts. If the actuator continues to be pressed in after the shield returns from being retracted, the safety mechanism prevents relinking of the seat member and the deflecting member, due to the deflecting member being deflected away from the seat member in a substantially longitudinal direction.

Abstract: A utility knife includes a handle, a blade carrier, and a blade depth adjustment assembly. The blade carrier is mechanically coupled to the handle and configured to support a blade. The blade depth adjustment assembly is mechanically coupled to the handle and configured to permit a user of the utility knife to reposition components of the blade depth adjustment assembly to select one of a plurality of blade depth positions which causes the blade carrier to be repositioned along the handle depending upon which of the blade depth positions is selected.

Abstract: Apparatus for locking an out the front knife having a blade assembly moveable with respect to a handle assembly between an extended position and a retracted position comprises a first guide member in the handle assembly, the first guide member having a first longitudinal slot defined therein, the first longitudinal slot having first front locking features at a forward portion thereof and first rear locking features at a rearward portion thereof, and a locking member rotatably coupled to a tang portion of the blade assembly, the locking member having at least one locking protrusion thereon, wherein the locking member is rotatable between a sliding position wherein the locking protrusion is aligned with the first longitudinal slot and a locking position wherein the locking protrusion is not aligned with the first longitudinal slot.

Abstract: A utility knife comprises a first housing portion carrying a strike plate and a second housing portion movable relative to the first housing portion between a closed position and an open position. The second housing portion carries a locking member. An overlapping locking mechanism locks the first housing portion to the second housing portion in a first direction when the first housing portion is moved relative to the second housing portion in a second direction. The locking member is movable between a first position in which it engages the strike plate to prevent the first housing from moving relative to the second housing in the first direction and a second position in which it does not engage the strike plate and allows the first housing to move relative to the second housing in the first direction.

Abstract: A fixed-blade knife having a knife body. The knife body has a blade with a cutting edge and an elongated handle extending from the blade. A guard is pivotally coupled to the knife body and adapted to be actuated between an open position and a closed position. The guard has an external surface that is ergonomically configured for handling the knife when the guard is in the open position. In the open position, the guard is positioned adjacent the handle to expose the cutting edge. In the closed position, the guard is positioned adjacent the blade to cover the cutting edge.

Abstract: A pair of handle scales are configured to mate against the liners of the core assembly of a folding tool such as a pocket knife. A mating surface of each scale can have recesses to accommodate extending pins on which the blades of the tool pivot. A magnetic moment is provided between the scales to attract the scales together, forcibly engaging them against the core assembly positioned therebetween. The magnetic moment can be provided by one or more magnets in each scale, positioned to be opposed when the scales are superimposed on the liners. The scales can each be formed as a two-part assembly having a scale plate which contacts the core and a scale body, which can be provided with recesses to store accessories.

Abstract: A utility knife includes a handle and a connector member. The handle includes a first handle portion and a second handle portion. The connector member is constructed and arranged to releasably connect the first handle portion with the second handle portion. The connector member includes a head portion and a shaft portion extending from the head portion. The head portion includes finger engaging portions extending outwardly for engagement by the fingers of a user, and a groove disposed on a surface of the head portion that is adapted to receive a tool. The connector member is constructed and arranged to be rotated either by engaging the tool in the groove or by manually moving the finger engaging portions. The connector member is constructed and arranged to remain attached to the first handle portion if the first handle portion is separated from the second handle portion.

Abstract: A slider has an upper sliding element, a lower sliding element and a resilient tab. The upper sliding element has two protrusions laterally formed on and protruding from the upper sliding element. Each protrusion has an inclined pushing surface. The lower sliding element is combined with the upper sliding element and has a chamber and two through hole. The through holes are defined in the lower sliding element at positions corresponding respectively to the inclined pushing surfaces of the protrusions and communicate with the chamber. The resilient tab is held in the chamber and has two legs protruding inward from two ends of the resilient tab. Each leg has an engaging end extending out from one of the through holes in the lower sliding element and abutting with the inclined pushing surface of a corresponding one of the protrusions on the upper sliding element.

Abstract: A utility knife suitable for use both as a knife and a sheet cutter includes a casing for securing a blade having cutting edges on opposing sides. The casing includes a gathering finger extending from one side of the casing and spaced from a side of the casing to define a guideway leading to an exposed first edge of the blade for cutting sheet material. The finger is disposed in a spaced manner over the first edge of the blade to prevent inadvertent contact with the blade. A second opposite edge of the blade extends out of the opposite side of the casing to expose a forward portion of the blade for more conventional use as a knife. The blade is manually movable to a retracted portion wherein the blade's second edge is disposed within the casing.

Abstract: A self-loading utility knife including an elongate handle having an internal chamber defining an axis and at one end is flat aperture for the passage of an active blade. The flat aperture defines a cutting plane extending through said handle along the axis. A blade-holder is slidably mounted in the chamber for movements in directions along the axis and is adapted to secure a single active blade for movement through the aperture when the blade holder is in the extended position. A blade-holder release button is coupled to the blade holder and is slidingly movable relative to the handle to move blade holder between retracted and extended positions. The handle has a blade compartment which is open to the chamber and can receive a stack of spare blades when a cover to the compartment is opened and blades can be shifted transversely relative to the axis into the chamber.

Abstract: A cutting tool including a housing provided with a compartment having an opening, a carrier disposed in the compartment and displaceable between extended and retracted positions, a spring for biasing the carrier in the retracted position, a mechanism for displacing the carrier in the extended position, a mechanism for releasably retaining the carrier in the extended position, and the carrier having a nesting surface for a blade whereby a blade nested thereon will project through the compartment opening when the carrier is in the extended position and will be disposed within such compartment when the carrier is in the retracted position.

Abstract: A pocket knife having at least one pull-out cutting tool or blade, provided on at least one side with a lateral covering covering said knife, and at least three blockable assembly axes which hold together the knife or the cutting tool in a pull-out or retracted position. A weighing element is arranged inside the pocket knife. Said element can be extracted about at least one of the axes or at least one other axis and/or is displaceably mounted during weighing. The weighing element is actively connected to a transmitting device in order to transmit the weight that is to be measured to a measuring sensor.

Abstract: A folding knife includes a handle, an axle coupled to a first end of the handle, and a blade rotatably coupled to the axle. The blade includes a working portion and a tang, the blade having an open position in which the working portion extends from the handle and a closed position in which the working portion is substantially received within the handle. The folding knife further includes a lock having a locked position in which the lock prevents rotation of the blade and an unlocked position in which the lock permits rotation of the blade. The knife further includes a spring arm in the handle and a safety coupled to the handle, the safety having a first position in which the safety deflects the spring arm into the path of the lock to maintain the lock in the locked position and a second position in which the safety permits the lock to move from the locked position to the unlocked position.

Abstract: A retractable blade scraper includes a handle body having a handle rear end and a handle forward end including a forward-end opening. An internal blade-slide cavity extends rearwardly from—and is configured to selectively receive a blade through—the forward-end opening. A blade slide housed by the blade-slide cavity includes lower and upper blade slide members between which the blade is selectively retained. A blade-slide actuator is accessible through an actuator slot defined through a wall of the handle body between slot first and second ends. Reciprocation of the actuator between the slot first and second ends reciprocates the blade slide between a rearward blade-storage position in which the blade is housed in the blade-slide cavity and a forward blade-changing position in which the blade protrudes through the forward-end opening to facilitate blade changing.

Abstract: A utility knife includes a handle base and a neck connected to the handle base for pivotal movement relative to the handle base between a closed position and an open position. The knife also includes a utility blade holder slidingly carried by the neck for sliding movement relative to the neck between a retracted position and an extended position. A utility blade is carried by the blade holder such that movement of the utility blade holder between its extended and retracted positions moves the utility blade between an exposed position in which a cutting edge of the blade is exposed, and a protected position in which the cutting edge of the blade is protected by the neck.

Abstract: The device (1) according to the invention makes it possible to cut out material such as paper or cardboard. It comprises a body (2) which includes handling means, and means of fixing at least one blade (6), possibly retractable, one end of which extends projecting relative to a determined area of the surface of the body (2), in the position of use of the device (1). It is characterized in that the height of the blade (6) extending beyond the abovementioned area is between 10 microns and 104 microns, preferably 102 microns, and in that said area presents a relatively large surface area, of the order of 0.5 to 15 cm2.

Abstract: A snap-off blade knife having a handle including a proximal portion, a distal portion, and a handle axis extending between the proximal portion and the distal portion is disclosed. The knife also includes a blade slidingly disposed within the handle along the handle axis. The blade comprises a plurality of scored segments. A blade stop fixedly extends from the distal portion of the handle. The blade stop includes a stop arm disposed to engage blade to limit extension of the blade from the handle. A kit comprising the snap-off knife and a blade segment snap-off tool is also disclosed.

Abstract: A utility knife includes a handle, a blade holder assembly, and a resilient blade wiper. The handle includes an opening at a front end. The blade holder assembly is constructed and arranged to hold a blade at a position of use wherein the blade projects through the opening at the front end of the handle, and to retract the blade into the handle. The resilient blade wiper is constructed and arranged to be positioned toward the front end of the handle. The blade wiper is constructed and arranged to remove debris from side surfaces of the blade when the blade is retracted into the handle.

Abstract: A cutting tool including a housing provided with a compartment having an opening, a carrier disposed in the compartment and displaceable between extended and retracted positions, a spring for biasing the carrier in the retracted position, a mechanism for displacing the carrier in the extended position, a mechanism for releasably retaining the carrier in the extended position, and the carrier having a nesting surface for a blade whereby a blade nested thereon will project through the compartment opening when the carrier is in the extended position and will be disposed within such compartment when the carrier is in the retracted position.

Abstract: In a folding knife in which a release button is used to lock the blade in the open and/or closed positions, and to release the blade from being locked, the release button has a shank portion that does not extend past the axial centerline through the button. The tang of the blade may therefore be made long enough that the lockup between the tang and the release button is more secure.

Abstract: The invention relates, among other things, to a knife with a housing (H, 11, 12) and a blade carrier (13) supported within the housing (H, 11, 12), with an actuating device (V) comprising at least one actuating element (14) and at least one handle (12), wherein by means of the actuating device (V), the blade carrier (13) can be displaced from at least one safety position, in which a blade (27) mounted to the blade carrier (13) is retracted into a receiving space (A) of the housing (11), into at least one cutting position in which the blade (13) projects out of the housing (11). The particularity consists, among other things, in that the actuating element (14) interacts in a pivot-jointed manner with the blade carrier (13) and that the blade carrier (13) is supported in a translatory and rotatably moveable manner at the housing (H, 11, 12).

Abstract: A scalpel enabling both safe blade engagement or disengagement and safe passing among personnel during surgical procedures. The blade arm assembly of the scalpel is positionable in three positions, including a retracted position, an operational extended position and a fully extended position for engagement and disengagement of the blade.

Abstract: The present invention provides a fold knife comprising a handle and a blade hinged to the handle. The fold knife further comprises a switch mechanism for manual and semi-automatic operation which is positioned in the inner chamber of the handle. The switch mechanism for manual and semi-automatic operation has a first position in which it is allowed to manually open the blade from the handle and a second position in which it is allowed to automatically open the blade from the handle. The fold knife according to the present invention is capable of easily switching between the manual operation condition and the semi-automatic operation condition by means of the switch mechanism for manual and semi-automatic operation, so as to satisfy various requirements of a user where, on one hand, it can guarantee the safety in use for the users such as a kid and on the other hand it can obtain the facilitation in the opening procedure.

Abstract: Many techniques including safety lockable mechanisms have been proposed to improve safety of knives; however, to close a knife according to the techniques, it requires the user to place their finger on the line of rotation of a body of the knife, rendering it unfavorable from the viewpoint of safety, and in addition, the knives of the techniques have insufficient strength and in turn are less safe. The object of the invention is to eliminate such drawbacks that are also common to key holders and holders for small-sized tools such as screwdrivers and saws. The folding tool has one side-plate (1a) and the other side-plate (1b). A part of the rear side of the other side-plate (1b) or an arm-like plate (2) attached as a separate body is used as an inwardly pressing member, and a projection (3) is provided at the head of the arm-like plate (2).

Abstract: A fixed-blade knife with a knife body comprising a blade having a cutting edge and an elongated handle exptending from the blade. A guard is pivotally coupled to the knife body and has a first and second position relative to the knife body. In other embodiments, the guard is slidably disposed along the knife body. In the first position, the guard is positioned adjacent the blade to at least partially cover the cutting edge. In the second position, the guard is positioned adjacent the handle to expose the cutting edge. A sharpening element may be disposed within the guard to hone and/or sharpen the cutting edge when the guard is pivoted relative to the cutting edge.

Abstract: A knife and sheath that includes a spring element as part of the handle with a pin that engages a slot in the sheath so as to lock the knife and sheath together. The knife and sheath are unlocked by biasing the spring element towards the center line of the knife, thereby disengaging the pin from the slot.

Abstract: A tool is described as including a pivotable guide member through which a rotatable cutting blade extends. As the cutting tool is advanced over the object to be cut, the guide member pivots in response to contacting the object which allows the object to be compressed under the guide member if desired. The guide member includes rounded first and second ends which accommodate using the cutting tool by either dragging the tool rearwardly or pushing the tool forwardly over the object.

Abstract: The invention is a hand-held self defense weapon having a protected stabbing point. The stabbing point is covered by a retractable cover. The cover may be slidably retracted into a body cavity by the pressure of the contacting object on a cover thrusting surface. The stabbing point, which is rigid to a grippable handle, is exposed by the retracting cover. An alarm is switched internally by the motion of the cover, eliminating manually switching by the user during emergencies. After use, the stabbing point is retained in a point guide which also acts to retain body tissue captured from the body penetrated. The configuration and dimensions of the weapon are such as to be comfortably carried in a person's hand and naturally employed in natural self-defense actions.

Abstract: A knife is prepared by the process comprising the steps of injection molding a plastic bolster scale unit having a side bolster portion; attaching the bolster scale unit to a knife frame; and attaching a handle cover to the bolster scale unit adjacent to the side bolster portion; whereby the transition from side bolster portion to handle cover exhibits precise dimensions with sharp angles and close fitting parts.