Abstract: One embodiment of a dual sided razor comprises a handle and a cartridge attached to the handle, the cartridge further comprising a first shaving side and a second shaving side, the cartridge being switchable relative to the handle between the first and second shaving sides.

Abstract: A powered saw assembly includes a base having a top surface, a column fixed to the top surface, and a guide rail supported above the top surface. The assembly includes a saw unit translatable along the guide rail, the saw unit including a rotating arbor to which a saw blade is attachable for co-rotation therewith. A blade guard at least partially surrounds the saw blade and defines an opening through which the saw blade is movable for attaching or removing the saw blade relative to the arbor. A cover is movably coupled to the blade guard to selectively close the opening. With the cover moved away from the blade guard to expose the opening, the saw blade is attachable or removable relative to the arbor through the opening without passing the saw blade through the slot.

Abstract: Disclosed is a folding cutting mat. As its main features, the folding cutting mat includes more than one 4-piece folding unit, the single 4-piece folding unit includes a folding face and a flipping face integrally formed, wherein the folding face includes left and right side faces and a first folding line to connect the left and right side faces, the flipping face includes left and right side plates and a separating gap to separate the left and right side plates; the left side face and left side plate are connected through a second folding line, the right side face and the right side plate are connected through a third folding line. With the size of the folded 4-piece folding unit reduced to one fourth of the size in the unfolded state, the size of the folded cutting mat is considerably reduced to facilitate transportation and storage.

Abstract: A deagglomerator for use in resizing masses of cells is disclosed. The deagglomerator may include a plurality of apertures defined by a plurality of front and back edges. The masses of cells may be passed through the plurality of apertures from the front to the back, and from the back to the front, repeatedly. The deagglomerator may also include a plurality of blades that may aid in the deagglomeration of the cell masses. The deagglomerator may be configured between two syringes so that the tissue may be passed back and forth from the first syringe through the device to the second syringe, and then back again from the second syringe through the device and to the first syringe. In this way, the masses of cells may be properly deagglomerated.

Abstract: Methods and apparatus to align applique cutters are disclosed. A disclosed example alignment rail is for use with cutting an applique relative to a surface of a vehicle. The example alignment rail includes a base to contact the surface. The example alignment rail also includes a body including a cross-sectional profile extending along a longitudinal axis of the alignment rail. The example alignment rail also includes a groove of the cross-sectional profile extending along the longitudinal axis, where the groove is to align movement of a cutting tool to cut the applique.

Abstract: A hair clipper with blade angle adjustment is provided, including a clipper housing defining a longitudinal axis and a cutting end, a clipper bladeset operationally connected to the cutting end and including a stationary blade and a moving blade configured for reciprocating laterally relative to the stationary blade. A cam follower is connected to the bladeset and associated with the clipper housing for rotation about a rotation axis relative to the clipper housing, and a bladeset angle control is associated with the clipper housing. A power transmission is member associated with the clipper housing, connected to the cam follower and constructed and arranged so that user manipulation of the bladeset angle control causes linear movement of the power transmission member and associated angular movement of the bladeset through rotation of the cam follower.

Abstract: A nape hair shaving device for allowing a user to shave hair on a nape located behind the user's neck, comprising an arcuate shaving bar and a plurality of razors projecting therefrom to form a curved shaving arc which conforms to the shape of the user's neck. The user employs the shaving device by grasping the shaving device via a pair of grips with the arcuate shaving bar horizontally positioned therebetween, positioning the shaving arc above the nape, and making a shaving motion by drawing the shaving arc downwardly over the nape to cut the hair growing thereon. The arcuate shaving device is further flexible and is adapted to be bent inwardly or outwardly to selectively vary the size of the shaving arc. The plurality of razors are selectively detachable, allowing dulled razors to be removed and replaced.

Abstract: The electromechanical vertical cutting shear (1) comprises an electric servomotor (4) combined with a gear reducer (5) at least one shaft (6) bearing one or more spools (7), at least one motion transmission means (8) which is connected to a guillotine (11), and a cutting system comprising at least a pair of knives (12). The electromechanical shear (1) comprises a pulley system (9) for every motion transmission means (8).

Abstract: A fence apparatus for handling a workpiece and resting on a support surface includes a rigid rectanguloid base, a top side of which includes a plurality of parallel guide slots. A bottom side includes at least three height-adjustable feet. A fence assembly includes an adjustable fence bracket and a fence. In some embodiments a top edge of the fence includes one of the guide slots, and the flip stop includes one of the guides for cooperating therewith to allow the flip stop to slide along the top edge of the fence. The flip stop may further include a removable pusher bar extending parallel to the fence for pushing the workpiece close to the tool. Two side L-brackets are each adapted for fixing with sides of the base and for fixing with the support surface. The fence apparatus is fully reversible from left to right.

Abstract: An electrically-driven device includes a handle and a head, wherein the head includes a head base coupled to the handle and movable in at least two dimensions relative to the handle and a first head attachment and a second head attachment, wherein each one of the first and second head attachments are releasably engageable, one at a time, with the head base, each one of the first and second head attachments includes a skin treatment implement constructed to treat skin or a cutting unit constructed to cut hair, and the first head attachment is different from the second head attachment.

Abstract: Devices, systems, and methods for a segmented tool include a connection system for selectively connecting segments together for use. The connection system can be collectively formed of complementary portions of the segments which can be interlocked together to block against disconnection.

Abstract: A self-defense pocket knife with handle of suitable proportion to be grasped in closed fist and a conveyance system configured for the emergency manual conveyance of a blade from a position for storage to a position for use without requiring the user to appreciably alter or compromise grip upon the handle during the course of such conveyance.

Abstract: A vegetable knife includes a pulverizing coring pin for pulverizing a core of a vegetable, where the pulverizing coring pin can be a generally cylindrical tube. The pulverizing coring pin can define one or more pulverizing tubes that extend from a first end of the pulverizing coring pin to a second end of the pulverizing coring pin opposite the first end. The vegetable knife also includes at least one vegetable shaping blade that extends radially outwardly from the pulverizing coring pin, where the at least one vegetable shaping blade supports the pulverizing coring pin at a location generally central with respect to the vegetable knife. The vegetable knife may also include an outer flange for coupling the vegetable knife to a rotatable cutting assembly. The vegetable shaping blade can be connected between the outer flange and the pulverizing coring pin for supporting the pulverizing coring pin.

Abstract: A punch assembly for creating clean holes in a wallboard sheet having at least one surface with a face paper layer. The punch assembly includes a frame having a lower assembly configured to support the wallboard sheet, a plate on an upper frame assembly being reciprocable relative to the at least one surface of the wallboard sheet, at least one stripper bushing connected to the plate, where the at least one stripper bushing including a hole and a piercing edge, and at least one punch configured to move through the hole in the at least one stripper bushing. In operation, the plate is moved against the at least one surface of the wallboard sheet so that the piercing edge of the at least one stripper bushing contacts the face paper layer and at least partially cuts the face paper layer prior to the at least one punch moving through the wallboard sheet to form at least one clean hole in the wallboard sheet.

Abstract: In a method for removing a wrapping, such as plastic film, from a roll of material an apparatus is used, which has a roll supporting unit, and a cutting means. The roll supporting unit is configured to rotate the roll supported thereon, and the cutting means is movable into cutting abutment against the envelope surface of the supported roll for removal of the wrapping during rotation of the roll.

Abstract: A cutting length display device for a hand-held machine tool includes at least one display unit that has at least one light source. The display unit is configured to display at least one position of a cutting edge of a machine tool on a workpiece to be machined depending on a set cutting depth of the machine tool by way of a light beam. The display unit has a mirror unit that is configured to deflect the light beam depending on the set cutting depth of the machining tool.

Abstract: Systems, methods, and apparatus are described for a locking folding knife having a handle lock and a safety switch arranged around and rotatable around a pivot axis of the knife. In an engaged position the switch overlaps at least a portion of the handle lock and prevents it from moving into an unlocked position. A spring, such as a wire form spring, can be arranged within a pocket of the switch, and when the switch is moved between engaged and disengaged positions the spring can be compressed generating a rotational bias on the switch urging the switch toward either the engaged or disengaged position.

Abstract: A pressure equalising device (10) which has a squat shape and which has three positions which are a first unlocked and retracted position, a second locked and retracted position, and a third unlocked and extended position wherein the device comprises a spike (14) for piercing a container, a biasing member (12) to bias the device into the first position from the third position, an upper body (20) which supports the spike and which has a locking formation (28), and a lower body (40); wherein the device has a twist lock such that the device can be rotated to and from its first and second positions; wherein the twist lock comprises a slot (52) in the lower body which is positioned to receive the locking formation (28) to immobilise the upper body (20) in relation to the lower body (40); the invention provides an ergonomically acceptable and safe way to reduce the torque force required to open the typical jar to less that 2 Nm by equalising the pressures inside and outside the jar.

Abstract: A saw blade includes a cutting portion having consecutive first, second, and third cutting teeth. Each cutting tooth includes a rake surface, a relief surface, and a tip. The first cutting tooth includes a protrusion extending from the relief surface of the first cutting tooth. The cutting portion includes a first gullet positioned between the first cutting tooth and the second cutting tooth and a second gullet sized differently than the first gullet positioned between the second cutting tooth and the third cutting tooth. The cutting portion includes a first pitch extending over the first gullet from the tip of the first cutting tooth to the tip of the second cutting tooth. The cutting portion includes a second pitch different than the first pitch extending over the second gullet from the tip of the second cutting tooth to the tip of the third cutting tooth.

Abstract: A band saw with an expanded cutting section is provided. The band saw includes left and right semicircular shaped bearing assemblies. A saw blade overlaps the left and right semicircular bearing assemblies. An external housing encloses the left and right bearing assemblies and the saw blade. The expanded cutting section is carved into the external housing and extends in between bottom tips of the left and right bearing assemblies.