Abstract: A hacksaw multitool is provided. The device includes an elongated body having a first end opposite a second end. A bit receptacle is disposed within the first end. A plurality of interchangeable bits is removably securable within the bit receptacle. A channel is disposed within an upper side of the elongated body, wherein an arm is pivotally affixed within the channel at a proximal end of the arm. A saw blade is pivotally affixed to a distal end of the arm, wherein the saw blade is slidably engaged with the channel. The saw blade is selectively movable between a deployed position and a stowed position via actuation of the arm. The saw blade is disposed perpendicular to a longitudinal axis of the elongated body when in the deployed position and the saw blade is disposed entirely within the channel when in the stowed position.

Abstract: A folding knife with a locking mechanism is provided. The folding knife includes a locking spring that interfaces with a recess in the blade to bias the blade from being pivoted out of the handle. A button interfaces with the locking spring to actuate the locking spring interfacing with the blade.

Abstract: A cutting device is disclosed. The cutting device has a first housing member, a second housing member that is removably attachable to the first housing member to form a housing, and a carriage that is movably disposed in the housing, the carriage including a first attachment portion, which is disposed at a first portion of the carriage, and a second attachment portion, which is disposed at a second portion of the carriage that is disposed away from the first portion of the carriage. The cutting device also has an exterior member disposed at an exterior of the housing and attached to the carriage via an aperture disposed in one of the first housing member and the second housing member, and a cutting member that is removably attachable to the first attachment portion at the first portion of the carriage.

Abstract: Methods and apparatus for treating bones, including, in one or more embodiments, methods and apparatus for treatment of vertebral fractures that include a containment assembly for cement containment and/or a balloon assembly for maintaining vertebral height. Methods for treating a bone comprising: creating a cavity in the bone; inserting a containment jacket into the cavity; inserting a balloon into the containment jacket; inflating the balloon; and introducing a filler material into the containment jacket with isolation of the balloon from the filler material.

Abstract: A cutting device is disclosed. The cutting device has a first housing member and a second housing member that is removably attachable to the first housing member to form a housing. The cutting device also has a locking member that selectively locks the first housing member to the second housing member. The cutting device further has a carriage that is movably disposed in the housing, the carriage including a first attachment portion, which is disposed at a first portion of the carriage, and a second attachment portion, which is disposed at a second portion of the carriage that is disposed away from the first portion of the carriage. The cutting device also has a cutting member that is removably attachable to the first attachment portion at the first portion of the carriage.

Abstract: Devices and methods for preparing a surgical site, and in particular vertebral members, which may include a retractable tool and an actuator. The tool may include distal and proximal members. A distal side of the distal member may be fixed in a longitudinal direction and pivotable at a point of rotation. A proximal side of the proximal member may be pivotably connected to the actuator. In a retracted position, the distal member may be pivotably connected to the proximal member longitudinally in between the point of rotation and the proximal side of the proximal member. Moving the actuator in a distal direction may push the proximal member and the distal member such that the proximal member pivots with respect to the actuator and distal member, the distal member pivots with respect to the proximal member and point of rotation, and the proximal member and distal member move laterally outward.

Abstract: A protective device includes a grip having a non-slip surface, a stake projecting from said grip and terminating in a blunt point, point; and a flexible loop projecting from said grip, which is sufficiently long that a user can loop it over a finger to attach the device to the user's hand, and such that it all user's repositioning of the device in a user's palm, whereby the device can be generally concealed within a user's palm, but shifted within his or her palm such that said point of said stake is exposed and can be directed against an attacker to inflict pain and discourage further advances.

Abstract: A utility tool comprising a body having a first end and a second end positioned on opposite ends of the body; a removable device; as well as a first tool and a second tool configured to be selectively coupled to each other or one of either the first end and second end of the body. The utility tool includes a removable blade cartridge having a blade cartridge body having a recess slot and a knife slot, a knife blade and a guide. The knife blade is positionable within the recess slot and slides between an open position and a closed position.

Abstract: A multi-use tool with a shaped blade, a retractable tool, and handle with an angled hammering section that allows for a single user to complete varied tasks with just the one multi-use tool.

Abstract: An interlocking double throwing knife comprises: a first opposable throwing knife having a first blade and a first handle attached to the first blade, where the first handle has a first receptacle for housing another blade; and a second opposable throwing knife having a second blade and a second handle attached to the second blade, where the second handle has a second receptacle for housing another blade. The first opposable throwing knife and the second opposable throwing knife interlock by simultaneously inserting the first blade into the second receptacle and the second blade into the first receptacle such that the first blade and the second blade are sheathed within opposing knife handles.

Abstract: A utility knife including a handle having a slot that extends through a bottom side of the handle and a first blade holder that is pivotal with respect to the handle between an extended position where a blade is exposed and configured to cut a work-piece and a folded position where the blade is within the slot of the handle. The knife further includes a spare blade holder including a recess configured to receive a spare blade, and the spare blade holder is pivotal with respect to the handle between an open position where the recess is exposed to allow the spare blade to be removed from the spare blade holder and a closed position where the recess is within the slot of the handle to inhibit removal of the spare blade from the spare blade holder.

Abstract: A utility knife including a housing and a blade carrier at least partially within the housing. The blade carrier is configured to receive a first blade in a first end of the blade carrier and a second blade in a second end of the blade carrier, and is movable within the housing between a first extended position, a retracted position, and a second extended position. When the blade carrier is in the first extended position, the first blade is extended outwardly from a first end of the housing, when the blade carrier is in the retracted position the first and second blades are disposed entirely within the housing, and when the blade carrier is in the second extended position, the second blade is extended outwardly from the second end of the housing.

Abstract: A cutter apparatus includes a housing, multiple tools mechanically coupled to the housing, at least one of the tools including a cutting device, and a slider and lock wheel mechanically coupled to the housing and configured to selectively release only one of the tools at a time from being secured within the housing.

Abstract: A cutting tool having a body, a first scissors tool coupled with the body and having a first pair of blades cooperating to define a first cutting pattern, and a second scissors tool coupled with the body and having a second pair of blades cooperating to define a second cutting pattern.

Abstract: A double sided peeler is disclosed. The double sided peeler has two peeler blades and a slide cover for protecting the user from the peeler blade that is not in use. Each peeler blade may have a different attribute to accommodate a wide range of fruits and vegetables. The double sided peeler has a spot tool and retainer for both removing unwanted spots from a fruit or vegetable and also for retaining the slide cover in a given position. A retention web on the slide cover cooperates with the spot tool and retainer to retain the slide cover in a given position that protects both the unused peeler blade and the user.

Abstract: The present invention relates to an improved blade-switchable utility knife. The utility knife comprises a housing, a blade slider, a slide actuator, a switch actuator, and a pair of blades. By switching the switch actuator, a corresponding blade is pushed and pressed by either a first auxiliary reacting portion or a second auxiliary reacting portion to remain in an operative position thereof, and is moved together with the blade slider. Accordingly, the present invention has advantages and effects of quick switch of blades for use and convenient carrying, etc.

Abstract: A kitchen tool that cuts a zig-zag pattern into a vegetable or fruit which encompasses the total circumference is disclosed. This is accomplished by rotating two handles relative to each other so that movable blades, via cams, are forced into the fruit/vegetable. The movable blades are constrained to a linear motion by guiding surfaces in top and bottom plates along with cams and pins. The entire cutting assembly is readily cleanable by easy disassembly or thorough rinsing/washing.

Abstract: A collapsible multiblade throwing weapon incorporates a first blade having a shank from which a blade portion extends with a butt portion extending from the shank opposite the blade portion. The shank incorporates an aperture for a first axle and an eyelet extending from the butt portion for a second axle. Second and third blades each have an aperture which receives the first axle for rotation of the blade on the axle and each blade has a closed position engagement cutout and an open position engagement cutout. First and second pawls, associated with the second and third blades respectively, each have an eyelet receiving the second axle. The pawls rotate about the second axle for resiliently engaging the closed position engagement cutout with the associated blade in a closed position and the open position engagement cutout with the associated blade in an open position.

Abstract: A blade-switchable utility knife of the present invention comprises a housing, a blade slider, a slide actuator, a switch actuator, a pair of blades and a pair of restoring elements. By manipulating the switch actuator, one of the pair of blades is capable of moving together with the blade slider. Accordingly, the present invention has advantages and effects of quick switch of the blades for use and convenient carrying.

Abstract: A utility knife includes a handle, a first blade holder assembly, a second blade holder assembly, and an interlock assembly. The handle includes an opening at a front end. The first blade holder assembly is constructed and arranged to hold a first blade at a position of use wherein the first blade projects through the opening at the front end of the handle, and to retract the first blade into the handle. The second blade holder assembly is constructed and arranged to hold a second blade at a position of use wherein the second blade projects through the opening at the front end of the handle, and to retract the second blade into the handle. The interlock assembly constructed and arranged to allow only one of the first blade and the second blade to project through the opening at the front end of the handle.

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: The invention discloses a utility knife, including at least a utility knife body, which has a first end part and a second end part; the first end part is arranged with a first mounting bracket, and the second end part is arranged with a second mounting bracket. A first blade is arranged detachably on the first mounting bracket; a second blade is arranged detachably on the second mounting bracket. Users can select appropriate blades to work during operation, or alternatively use different blades to operate without replacing blades. When a blade on one end becomes non-serviceable, users can immediately switch to use the blade on the other end to continue operation, which prolongs the time of continuous work and enhances the efficiency.

Abstract: A utility knife using tilting status thereof for blade switching of the present invention comprises a housing, a blade slider, a switch actuator and a pair of blades. By tilting the housing, one of the pair of blades is capable of moving together with the blade slider. Accordingly, the present invention has advantages and effects of quick switch of the blades for use and convenient carrying.

Abstract: A razor, especially a safety razor, comprises a fluid delivery system including a pump (24) for conducting a fluid, such as a lubricant, from a reservoir (25) for application to the skin, and a control device (16) for actuating the pump (24) when the razor is brought into contact with the skin by a person holding the razor, and deactuating the pump (24) after a certain time of actuation, e.g. 0.1 to 2 seconds. The control device is arranged to ensured a delay of 1 to 10 seconds between successive actuations, and so that the pump is actuated only every second third or fourth shaving stroke.

Abstract: A locking system for a multitool where multiple discrete lock members are attached to a handle and the lock members can be individually engaged to lock and unlock tool members from a retained to an extended position and vice versa within the handle of a multitool.

Abstract: A knife is provided. The knife comprises a handle and a utility blade mounted to a blade holder, the blade holder mounted to the handle and configured to move relative to the handle between a retracted position, in which the utility blade does not extend from the handle, and an extended position, in which the utility blade extends from the handle in an operative position. The knife further comprises a tanto-style blade mounted to the handle and configured to move relative to the handle between a closed position, in which a cutting edge of the tanto-style blade does not extend from the handle, and an open position, in which the tanto-style blade extends from the handle in an operative position.

Abstract: A blade-switchable utility knife of the present invention comprises a housing, a blade slider, a slide actuator, a switch actuator, a pair of blades and a pair of restoring elements. By manipulating the switch actuator, one of the pair of blades is capable of moving together with the blade slider. Accordingly, the present invention has advantages and effects of quick switch of the blades for use and convenient carrying.

Abstract: A cutting tool includes a blade assembly with two retractable, opposing blades in a handle shaped for comfortable gripping. The blades may be closed and stowed by being partially retracted into the handle with a continuous motion of a single hand. The blades may similarly be extended and deployed for use with a continuous motion of a single hand. Each blade is formed with a shearing edge and a lever arm. Each lever arm is formed with a slot for engaging a blade locking tab joined to a cover for the handle. When the blade assembly is retracted into the handle, the shearing edges of the blades remain safely closed when the lever arms are released by a person using the tool. The cutting tool includes a retractable tether for preventing loss or damage to the tool should it be dropped.

Abstract: A cutting tool for a package or the like, comprising an elongated, generally flat and thin housing. An elongated slit extends rearwardly and generally longitudinally from the front end of the housing through a portion thereof. A cutting blade is mounted within the housing and has a cutting edge extending into the slit at an inner portion thereof. An upper front end portion of the housing on one side of the slit has an outwardly extending barb for forming an opening in a package. A lower front end portion of the housing on the opposite side of the slit is tapered inwardly toward the front end of the housing to terminate in a narrow end that can be interested into an opening in a package formed by the barb to position an adjacent portion of the package in the slit where it can be cut by the cutting blade when the housing is moved relative to the package.

Abstract: A combination retractable saw and knife utility tool is disclosed that can be actuated and used by a person using only one hand. The tool has a lock to assure that an extended knife blade or saw blade will remain extended until the user of the tool releases the lock. A person may use one hand to hold, steady and manipulate a work piece that needs to be cut and/or sawed, while their other hand is used to hold and implement the combination knife and saw utility tool. The person may release the tool lock, retract one blade and extend another blade using only one hand.

Abstract: A cutter apparatus includes a housing, multiple tools mechanically coupled to the housing, at least one of the tools including a cutting device, and a slider and lock wheel mechanically coupled to the housing and configured to selectively release only one of the tools at a time from being secured within the housing.

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 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: The personal weapon includes a base and blade support pivotally attached to the base, with a plurality of blades extending from the blade support. The assembly is installed across the upper palm and adjacent bases of the fingers of a glove, with backing plates providing additional reinforcement for the assembly. The blades extend selectively as the palm is opened and the fingers extended, with the blades retracting into slots in the base when the fingers are closed over the palm. The device extends only across the second through fourth fingers, leaving the index finger free for e.g., firearm trigger actuation, etc. independent of blade deployment. A thumb-actuated safety is also provided to lock the blades in their retracted positions. The glove may be fingerless or partially fingered, or may include complete, fully enclosed fingers.

Abstract: A combination utility and sporting knife includes a longitudinal knife handle, a utility blade carrier disposed within the handle and linearly movable within the handle, a utility blade carried by the blade carrier, a manual movable blade moving member operatively connected with the blade carrier, and a pivotally movable blade pivotally connected to the handle. The utility blade and the pivotally movable blade are extendable from opposite ends of the handle. The utility blade edge and the pivotally movable blade edge both are exposed towards the bottom portion of the handle when the pivotally movable blade and the utility blade are in operative positions thereof so that the bottom and top portions of the handle retain their relative bottom and top orientations for use of either the utility blade or the pivotally moveable blade.

Abstract: A utility knife includes a handle, a blade holder assembly, a spare blade carrier, a spare blade dispenser, and an actuator. The blade holder assembly is constructed and arranged to hold a blade at a position of use at one end of the handle. The spare blade carrier is disposed in the handle, and is configured to carry a plurality of spare blades. The spare blade dispenser is constructed to separate one of the spare blades from the plurality thereof and present the one separated blade to the user. The actuator is operatively associated with the blade dispenser, wherein movement of the actuator moves the blade dispenser to separate the one spare blade from the plurality to present the one separated blade to the user.

Abstract: A hand tool is provided that includes both a fixed implement and a folding or rotatable implement, thereby taking advantage of the security and reliability of a fixed hand tool while also providing an additional implement in order to increase the utility of the resulting hand tool. In order to facilitate use of both fixed and rotatable implements, also provided are a locking mechanism, such as for individually locking the rotatable implement and the handle relative to the fixed implement, and a compound tool that can serve as the rotatable implement in order to mate with and receive at least a portion of the fixed implement, such as in instances in which both the fixed and rotatable implements are deployed.

Abstract: A foldable hand tool having a blade holder mounted with a handle for movement from folded and unfolded positions. The blade holder has an opening adapted to receive blades of different sizes. The foldable hand tool further has a locking mechanism to lock the holder in an open position. A blade holder lock engages a resilient arm formed in the side wall of the handle.

Abstract: A cutting tool having a body, a first scissors tool coupled with the body and having a first pair of blades cooperating to define a first cutting pattern, and a second scissors tool coupled with the body and having a second pair of blades cooperating to define a second cutting pattern.

Abstract: An apparatus for cutting a food item includes a first portion defining an opening and a second portion having a blade. The second portion is at least partially received by the opening when in a storage position, and is at least partially received in the opening when in a cutting position that is inverted relative to the storage position.

Abstract: A utility knife includes a fixed blade in a first handle at one end and a self-retracting blade in a second handle at the other end. The utility knife further includes a locking member slidably positioned on a bifurcation of the second handle adjacent the first handle. In a locked position of the locking member either blade can be used. The locking member is adapted to slide toward the first handle to disengage the housing of the second handle from the first handle prior to replacing the self-retracting blade. A user may have two blade options when using the utility knife, thereby increasing working efficiency.

Abstract: A foldable knife includes a handle, a frame pivotally connected to the handle, a cartridge pivotally connected to the frame, a leaf spring attached to the frame, a blade-driving device, a blade-positioning element and a button. The frame includes a slot. The cartridge includes a slot through which the leaf spring reaches at least one blade when the cartridge is disposed in the frame. The blade-driving device includes a plate and a switch. The plate is in firm contact with the blade. The switch includes a portion located outside the frame and another portion inserted through the slot of the frame and connected to the plate. A blade-positioning element is movably connected to the frame. A button includes a portion for pushing the blade-positioning element and another portion inserted through the aperture of the frame for contact with a user's finger.

Abstract: A hand tool with a cable jacket ripper in a housing of the tool is provided. The cable jacket ripper includes an opening with a blade presenting a cutting edge. Rotating the housing relative to a cable engages the blade with the jacket of the cable to pierce the jacket. Thereafter, the cable may be slit longitudinally by the hand tool and the blade. The hand tool may be a utility knife with a cutting blade positioned at an end of the utility knife opposite the cable jacket ripper.

Abstract: A folding multipurpose hand tool including folding pliers or scissors and other tool blades and bits. A pair of handles each has a pivot axle at each end. A base of each pliers jaw or scissors blade is mounted on the pivot axle at one end of a handle, allowing the handles to fold around the jaws to blades to a compact folded configuration of the tool. Each handle has frame side members with attached flanges. Elongate springs lie between the handle frame side members and fit around the flanges, rather than being riveted to the handle frame side members. The springs press against the base of each pliers jaw or other tool blade, to keep each in a folded position or support it in a deployed position. One end of a spring may be hooked around a spring retainer at one end of the handle. The pivot axles interconnect the handle frame side members and the jaws, blades, or tool bits.

Abstract: A hand tool such as a multi-bladed folding knife incorporates a lock back mechanism t hat is interconnected with springs extending parallel to the knife body and with pins that interconnect the springs. The springs apply biasing force via the pins to the lock back mechanism associated with the primary blade, and also on secondary blades if used.

Abstract: A multiblade knife unit includes knife blades of different type normally stored within and adapted for deployment from a common end of a handle housing. A pivoting knife blade is supported for pivotal movement between a stored position nested substantially within one side edge of the handle housing, and a deployed position projecting from one end of the handle housing. A razor-type utility knife blade is supported by a slide clip for sliding displacement between a retracted position stored and concealed within the handle housing, and an advanced position projecting from said one end of the handle housing. A release button on the handle housing is depressed for releasing the utility knife blade from the slide clip for facilitating quick and easy slide-out blade removal and replacement. In one form, the knife unit may further include driver bits interchangeably mounted at an opposite end of the handle housing.

Abstract: A multiblade knife unit includes a first blade pivotally moveable between a folded position within a side edge of the handle, and an extended position projecting from one end of the handle. A second blade is supported by a carriage for sliding displacement between a contracted position stored within the handle, and an extended position projecting out from one end of the handle. The first and second blades being independently deployable out a common end of the handle. The knife unit includes a third blade slidably mounted to the handle housing, opposite the first and second blades, for sliding displacement between a retracted position within the handle and an extended position projecting generally out from a second end of the handle. The knife unit may further include a belt clip mounted to a housing for encasing a can opener.

Abstract: A folding multipurpose hand tool including a pivoted latch that engages side walls of a handle and a base of a folding tool member to hold the folding tool member in a selection position. A separate safety interlock latch keeps a folding blade stowed in a handle when another tool is moved from a first position with respect to the handle. A tool bit holder securely holds and drives reduced thickness tool bits that can also be engaged in and driven by conventional sockets having a regular hexagonal shape.

Abstract: A combination tool for measuring and cutting materials such as drywall is disclosed. The tool includes a mount formed by first and second housing portions, the first and second housing portions defining a path terminating at an opening at one end of the mount. A tape measure blade receiving slot opens into the mount adjacent to the path and is located and oriented so that the slot and the path are substantially coplanar. A knife blade shuttle is movable along the path and a saw blade is pivotably connected in the mount. An exterior surface of one of the housing portions includes a plurality of rasp teeth formed thereon for filing cut material.

Abstract: A pocketknife with a folding blade and a secondary blade has a handle, a folding blade, a bracket and a secondary blade. The handle has a side. The folding blade is attached pivotally to the handle and has a bottom edge and a cutting edge. The cutting edge is formed on the bottom edge of the folding blade. The bracket is mounted on the side of the handle. The secondary blade is slidely mounted inside the bracket and has a bottom edge and a cutting edge. The cutting edge is formed on the bottom edge of the secondary blade. The cutting edges on the blades are separated from each other. The cutting edge on the secondary blade cannot interfere with the cutting edge of the folding blade. The cutting edge of the secondary blade is long enough to cut things with a few strokes.