Abstract: An automatic folding knife including a locking and safety mechanism. The locking and safety mechanism includes a radially outer surface on a blade attachment ring having an arcuate blade-open locking recess and an arcuate blade-closed locking recess circumferentially spaced from each other. A generally cylindrical lock ring is selectively axially movable into and out of engagement with the locking recesses so as to selectively lock the blade in either its open position or its closed position. A rotatable “safety” push button is provided to push the lock ring out of engagement. The rotatable push button can be rotated from its “active” position to a “safe” position regardless of whether the knife blade is open or closed.

Abstract: It is an object of the invention to provide a technique for reducing vibration by counter weights which smoothly operate without linearly reciprocating, in a reciprocating power tool. The reciprocating power tool has first and second bevel gears 123, 147 which are opposed to each other on either side of a pinion 119 and rotationally driven in opposite directions at the same reduction ratio by the pinion 119. Further, the reciprocating power tool has a slider 107 which is caused to linearly reciprocate in a longitudinal direction of a tool bit 111 by a crank 129. The first and second bevel gears 123, 147 are provided with first and second counter weights 143, 145 in positions displaced from their rotation axes, respectively.

Abstract: A guide and safety guard for a table saw, of the type having a table top and a powered saw blade with an exposed saw blade portion projecting above the table top and a movable guide fence positionable on the table top on a far side of the saw blade, has a support rail having opposite ends coupled to support members in a desired spaced relation to the guide fence of the table saw, a guard block mounted by a sleeve portion so as to be slidable on the support rail in axial directions thereon, and rotatable on the support rail so that it can be moved out of and into operative position, wherein the guard block has a height projecting above the table top in the operative position that is greater than the height of the exposed saw blade portion for protecting the hand of the user, and a guard extension fixed to a trailing side of the guard block for protecting the wrist and lower arm area of the user.

Abstract: Certain exemplary embodiments can provide a retractable blade knife, which can comprise a handle and a blade. The handle can comprise a top handle scale operatively coupled to a bottom handle scale via a plurality of fasteners. The retractable blade knife can comprise a large coil spring adapted to cause the blade to thrust out from a first partially extended position to a second partially extended position.

Abstract: A concaved cutter head assembly for hair trimmer comprising a fixed blade, a movable blade and a slot support fixed to the fixed blade; the fixed blade and the movable blade comprise a fixed blade toothed edge and a movable blade toothed edge respectively; the movable blade toothed edge is driven to move reciprocally along slots on the slot support with respect to the fixed blade toothed edge to form a cutting surface; a fixed blade seat is also provided, whereas one end of which is provided with a protective cover; a frontal edge of the protective cover is positioned in front of the fixed blade toothed edge; the fixed blade toothed edge, the movable blade toothed edge, the slots and the frontal edge of the protective cover are all concave arcs, and all these concave arcs are concentric with respect to one another.

Abstract: An apparatus and method are provided for removing a retained member from a rotary head assembly configured for attachment to a rotary power source. The rotary head assembly can be configured to permit quick and easy trimmer line insertion in order to resume operation of the apparatus as well as simple and efficient trimmer line removal when changing trimmer line.

Abstract: A setting device for setting an axial position of a rotatable component having a base member, adapted to be arranged in an axially fixed manner, and at least two separate setting members, mechanically movable relative to the base member, each of which is arranged to provide a respective substantially axial movement transferrable to a respective portion of the component.

Abstract: A cutting-assembly mount for hair clippers includes an accommodating base, which can be fastened on the hair clippers, and an accommodating limb, which is mounted on the accommodating base and on which an interchangeable cutting assembly can be arranged. A blocking element is provided which can be moved between a pivoting position and a blocking position and is designed to be suitable for blocking a pivoting movement of the accommodating limb in the direction of the accommodating base without any cutting assembly arranged on the accommodating limb.

Abstract: The present invention discloses a mandolin slicer kit assembly comprising: a main body having two opposite side panels; a cutting blade mounted on the main body; a slicing plate carrier mounted between the two side panels of the main body; a plurality of slicing plates of different types, each of the slicing plates having a plurality of slicing teeth mounted on a top surface thereof and at least one recess formed on a bottom surface thereof; and an adapter plate having a leading portion, wherein said leading portion has at least one elastic rib for detachable engagement with the at least one recess of the slicing plate to form a slicing plate assembly, and said slicing plate assembly detachably is mounted on the slicing plate carrier. The mandolin slicer further comprises a slicing plate holder separate from all of the main body, the cutting blade, the slicing plate carrier, and the adapter plate.

Abstract: A fabric circle cutter having a cutter base, a pivot pin assembly, and a blade assembly. The cutter base has a flat, smooth bottom surface with a turned up edge. The cutter base also has a raised base section which has a pivot point slide slot. The pivot pin assembly is slidably mounted on the raised base section and slidably mated with the pivot point slide slot which provides for selective positioning of the pivot pin assembly. The blade assembly has a rotary blade with a blade axis which is aligned approximately horizontally with and approximately parallel to the center line of the pivot point slide.

Abstract: A dividing method for a disk-shaped workpiece having a plurality of first division lines and a plurality of second division lines intersecting the first division lines. The workpiece is cut along the first and second division lines by using a cutting blade in a down cut manner as supplying a cutting fluid to the cutting blade, wherein the workpiece is fully cut in a thickness direction thereof to obtain a plurality of chips. The dividing method includes a first cutting step of cutting the workpiece along the first division lines and a second cutting step of cutting the workpiece along the second division lines. In at least the second cutting step, the outer circumference of the workpiece at the cut end of each second division line is not cut to form an uncut region, thereby suppressing the formation of waste chips.

Abstract: A method of discharging workpieces cut from a planar material on a processing machine. A workpiece discharge device has several holding elements to receive and carry respective workpieces. After receiving a cut workpiece, the discharge device is moved to a waiting position outside and adjacent a processing region of the machine, and may then be moved back into the processing region to receive a subsequently cut workpiece before being moved to an unloading station.

Abstract: A bakery cutting guide includes a rim for surrounding baked goods with a plurality of spaced apart pins extending upwardly from the rim. A bar is provided and postionable for engaging pairs of opposing pins for guiding a knife or scorer across the baked goods in order to cut or mark the baked goods in a selected geometric pattern and a plurality of legs extend downwardly from the rim for supporting the rim in an elevated position above a top of the baked goods.

Abstract: The apparatus is for mounting a coconut firmly for making an initiating saw cut in the middle circumference of its shell in a direction transverse to the grain of the shell such that the coconut can be split into two desired half sections easily and simply by inserting a wedge into the saw cut and splitting it with a twisting motion over an intended coconut water receptacle. It has a three-point mount for securing the coconut and a pivotable V shape saw guide for positioning a sawing instrument in making the initiating cut. The apparatus can also be used for mounting a split half section of the coconut securely for grating its flesh with a grater.

Abstract: In a slide type circular saw, slide bars extending parallel to each other in a front-rear direction are slidably supported by bearing parts provided in first and second holding portions. The bearing part included in the first holding portion is press-fitted therein, while the bearing part included in the second holding portion is loosely inserted therein, and the second holding portion includes a pressing member which is configured to press the bearing part of the second holding portion against an inner surface of the second holding portion in a direction perpendicular to a plane which contains axes of the slide bars.

Abstract: A dual functional electric saw comprising a stationary base having a removable cover, an angle adjustable stand having a removable cover, a saw body, and a connection mechanism for fixing the saw body on the stationary base; wherein the angle adjustable stand comprises a chamber being capable of accommodating the saw body and the removable cover of the angle adjustable stand; the angle adjustable stand is surrounded and supported by the stationary base; the saw body comprises a motor and a saw blade; the connection mechanism comprises a saw supporting column which is capable of being positioned and fastened at both ends so that the height of the saw body can be adjusted to meet the requirements of a miter saw and a table saw, respectively.

Abstract: A punch includes first and second blade sections juxtaposed relative to each other in a direction parallel or substantially parallel to a feed direction of a sheet material. The first blade section protrudes downwardly from the second blade section with a step intervening therebetween and includes lower end edges on downstream and upstream sides of the feed direction, which define respective punching edges. The first blade section includes a lower end edge following the feed direction, which defines a first notching and punching edge. The notching and punching edge includes a portion intermediate of the feed direction representing a projecting shape. The second blade section includes a lower end edge on the upstream side, which defines a punching edge and also includes a lower end edge following the feed direction, which defines a notching and punching edge. The notching and punching edge is inclined gradually upwardly towards the upstream side.

Abstract: A recip saw blade has a blade body and a cutting edge extending along the blade body and defined by a repeating pattern of two consecutive teeth. Each of the two consecutive teeth includes a primary clearance surface defining a relatively steep primary clearance angle, a secondary clearance surface defining a relatively shallow secondary clearance angle, a tip, a rake face located on the opposite side of the tip relative to the primary clearance surface, a gullet defining a depth, a first gullet radius located on an opposite side of the gullet relative to the rake face, and a second gullet radius located between the gullet and the rake face, wherein the depth of the gullet is greater than the second gullet radius.

Abstract: A device for cutting to size and handling a substantially planar blank from a planar CFRP semi-finished product positioned on a cutting table by a cutting means, it being possible for the separated blank to be drawn up by suction and at least raised by a vacuum effector, characterized in that at least one blank electrode can be brought into contact with the blank and at least one peripheral electrode can be brought into contact with a peripheral portion separated from the CFRP semi-finished product and the at least two electrodes are connected to a voltage source and to a measuring means, the measuring means being able to detect a complete separation of the blank from the CFRP semi-finished product.

Abstract: For a machine tool designed in particular as a saber saw, a configuration including a carrying frame is provided, via which the lifting rod and the support element are joined to form a unit that can be rotated about the longitudinal axis of the power tool, is mounted on the casing side, and guides a drive part of the lift drive on the lifting rod side.