289results about "Cross-cut reciprocating saws" patented technology

A power tool, such as a reciprocating saw, including a spindle for supporting a tool element, a body defining a pivot axis and housing a motor and a drive mechanism driven by the motor, the drive mechanism driving the spindle, the body having a forward end supporting the spindle and a rearward end, and a grip connected to the rearward end of the body for pivoting movement about the pivot axis. The reciprocating saw may include a locking assembly for locking the grip in a pivoted position relative to the body and a switch assembly at least partially supported on the grip. The switch assembly is preferably inoperable when the locking assembly is in an unlocked condition, and the locking assembly preferably cannot be moved to the unlocked condition when the switch assembly is in an operating condition. Also, the reciprocating saw may include a grip portion provided by the body and engageable by the operator's other hand. In addition, the reciprocating saw may include a pivot-limiting assembly for limiting pivoting movement of the grip relative to the body beyond a pivoted position.

A guard assembly for a saw or other cutting device includes fixed and movable guards relatively pivotal by way of a linkage assembly having two links pivotally interconnected coaxially with a cam roller engageable with a cam surface for controlling relative guard movement. Other preferred features include a torsional coil guard return spring and spring enclosure that minimizes interference with workpiece cutting depth, an arbor shaft cover retention fastener that doubles, along with another caliper member, as a blade caliper set that prevents guard damage in the event of a bent or deflected blade or cutter, a drive assembly hold-down assembly for storage, and a horizontally-extending handle centered horizontally relative to the blade or cutter.

A system is provided for properly resizing a window shade to fit within a window frame adjacent a window. At least one ruler strip is provided with visible graduations thereon. Indicia are provided adjacent at least some of the graduations. The indicia are descriptive of a width of a window frame in which the window shade will fit when the window shade is cut at the graduation adjacent to that indicia. A position of the graduations and the corresponding indicia are misdescriptive of a width of the window shade so that clearance around the perimeter of the window shade and cutting of both edges of the window shade are accommodated. Both rectangular window shade and arched window shade sizing systems are provided. A retainer is also provided for holding and guiding of a cutting tool during cutting of the window shade for proper resizing.

A user-sizeable headrail assembly that may be easily and readily cut-down to size by the consumer; includes a pre-assembled, cordless headrail and a cutting jig. The preferred headrail has an elongated track, a pinion rod, and multiple carriers which slide along the track and rod. The cutting jig is sized for removable location between a pair of carriers at a desired location along the pre-assembled headrail for simultaneously cutting the elongated track and pinion rod to divide the pre-assembled headrail into a first scrap portion and a second useful portion having a desired length that is less than the initial length. For this purpose, the cutting jig includes an upper track support portion including upper contact members that contact the opposed sides of the elongated track and a lower rod support portion including lower contact members that extends downwardly from the upper track support portion and surround the pinion rod in the interior of the elongated track.

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. When the first counter weight 143 and the second counter weight 145 revolve, components of the revolving motion in the longitudinal direction of the tool bit oppositely move with respect to linear motion of the slider 107, and the first counter weight 143 and the second counter weight 145 move in the same phase in the longitudinal direction of the tool bit 111 and are disposed on opposite sides of the rotation axis and at the same distance from the rotation axis in a direction transverse to the longitudinal direction of the tool bit 111.

An apparatus for slitting a running paperboard web includes a thin high speed rotary slitting blade that is plunged through the moving web and into a slot between a pair of anvil rollers supporting the web on the opposite side. Because the slitting blade and the anvil rollers are vertically separated and pre-positioned before order change, an adjustment apparatus is provided to spread the anvil rollers axially apart to provide an open gap with a large target for blade edge when it is plunged through the web and into the slot. The anvil rollers are then closed against the opposite faces of the blade for running operation. Preferably, the anvil rollers are mounted on brackets hinged together below the rollers to move the opposite upper edges of the rollers between the opened and closed position in the manner of a clam shell. The anvil roller assembly is also adjustable in the machine direction to compensate for reduction in rotary slitting blade diameter with blade wear.

An extension is attachable to the driving shaft of a reciprocating blade tool such as a saber saw. The extension is attached to the drive shaft and the blade is attached to the end of the extension. The extension places the blade at a position spaced laterally and longitudinally from the nominal point of attachment of the blade to the driving shaft, the lateral spacing placing the new blade position approximately at the lateral outside edge of the tool housing, thereby permitting flush cuts. The extension can be formed of an integral strip or sheet having a proximal leg, an intermediate section and a distal leg, joined at equal and opposite obtuse angles. The angles are reinforced by two or more webs bent from the plane of the legs and attached, for example by welding, to the intermediate section.

An improved slicer having a reciprocating blade is disclosed. The use of a reciprocating blade allows the configuration and functionality of the slicer to be modified to address many of the deficiencies of current rotary slicers. The slicer operates without manual intervention, and includes the capability to automatically stack the sliced products. In other words, the food product to be sliced is placed on the slicer, and the slicer automatically slices the food product and stacks the sliced product, in a configuration that is presentable to the customer. In some embodiments, the machine is designed to have certain zones that can be cleaned or replaced, while the rest of the machine is never contaminated. In addition, the reciprocating blade is inexpensive and easily replaceable, thereby eliminating the need to sharpen the blade.

There is disclosed a powered reciprocating table saw, for sawing large foam panels having embedded steel framing members, comprising a work table for supporting a workpiece on a top side of the work table and having a blade opening disposed through the work table proximate a central portion thereof. A saw motor is supported underneath the work table, the saw motor having a reciprocating output shaft extending from a housing of the motor, and blade clamping means disposed on the output shaft. An elongated saw blade is retained in the blade clamping means of the saw motor and positioned to move reciprocatingly through the blade opening to the top side of the work table for sawing the workpiece. In another aspect a motor mount is disclosed for attaching the saw motor to the work table. In yet another aspect a blade guide supported by the work table is disclosed, which limits sideways and rearward displacement of the saw blade while sawing the workpiece.

An elastic averaging alignment system includes a first component comprising a surface, a thickness and a plurality of elastically deformable apertures spaced apart on the surface and extending through the thickness, each of the elastically deformable apertures comprising an aperture peripheral shape and having at least one slit extending radially-outwardly therefrom defining at least one elastically deformable wedge member. A method of making a component alignment system includes providing a first component having a surface and a thickness. The method also includes forming a plurality of alignment features through the thickness of the first component, the alignment features comprising a plurality of elastically deformable apertures spaced-apart on the surface and extending through the thickness, each of the elastically deformable apertures comprising an aperture peripheral shape and having at least one slit extending radially-outwardly therefrom defining at least one elastically deformable wedge member.

A separation apparatus for separating two planar devices bonded together by an adhesive layer is provided. The separation apparatus includes a base, a sliding module, a cutting member, and a positioning stage. The sliding module is mounted on the base. The cutting member is connected to the sliding module and is moveable in a two-dimensional plane with respect to the base by the sliding module for cutting the adhesive layer. The positioning stage is mounted on the base for positioning the planar devices and the adhesive layer therebetween on the base.

A reciprocal-movement power tool includes a movable blade reciprocally movably provided on a main body. A receiving plate that supports an angle iron to be cut is supported on the main body at a position in front of the movable blade. The movable blade is fixed on a front tip of a rod-shaped shuttle screw. The shuttle screw moves back and forth in the axial direction within a tubular screw shaft. The screw shaft is carved with a female screw portion and is rotated through a joint spindle that is deceleratingly rotated upon rotation of the motor through a deceleration means. The shuttle screw has a male screw portion that is threadingly engageable with the female screw portion.

A reciprocating cutting tool configured for orbital cutting, includes a housing, a power source disposed in the housing, a main linkage connected to the power source and to a blade for driving the blade in a vertically reciprocating motion, a foot plate connected to the housing and including a portion in operational relationship to the blade, a swivel bracket connected to the foot plate and disposed to exert an orbital force to a rear edge of the blade. A plunger is secured within the housing and connected to the linkage for reciprocal, pivotal and rotational movement, and has an end configured for receiving a blade. A selector mechanism for selecting at least between pivotal and rotational movement of the plunger, wherein the pivotal movement relates to orbital blade motion, and the rotational movement relates to scrolling blade motion.

A miter cutting guide apparatus is provided to aid in the making of miter cuts used on wood millwork as trim around floors, walls, doors, cabinets and the like and which can also be used on ceramics such as for tile cutting. Two miter arms are pivotally attached by a pivot locking means such as a screw. Each miter arm has a complementary base resting underneath and being guidably received by each miter arm, thereby allowing each miter arm to reciprocate along its complementary base.

A miter saw includes a tool adjustment unit having a joint pivotable about an axis, a guide rail spaced from and coupled to the joint so as to pivot about the axis, a saw housing mounted on the guide rail and a linear motion bearing assembly, which is positioned between the guide rail and the saw housing. The guide rail and the linear motion bearing are so shaped and dimensioned that the saw housing and the guide rail rotationally engage one another in a substantially play free manner to displace a saw blade between a plurality of angled positions.

The multi-functional woodworking guide is a modular portable universal guide, adapted for guiding multiple hand held power tools, that is extendable with the use of multiple guide plates, side bars and edge bars in order to increase the size of the guide device to any length, thus being capable of cutting, grooving or sanding an unlimited length of material with the use of side extension clamps. The multi-functional woodworking guide is compact, portable and easy to transport, as it fits into the back seat or trunk of a car. The multi-functional woodworking guide is easy to secure to a work piece by various integrated clamps, which do not have to be move when cutting, grooving or sanding the material.

The present invention is an attachable rolling plate assembly which can be attached as a single unit to a portable cutting tool to facilitate the safe rolling movement of the portable cutting tool on the workpiece. The invention comprises a front wheel housing portion, a back wheel housing portion, and two or three metal rods which interconnect the two housings. The housings removably retain a pair of spaced apart wheels and means to retain a cutting tool on the housings so that the cutting tool can be rolled on the workpiece during operation of the tool while the cutting blade portion of the tool extends between a pair of adjacent interconnecting rod members. The front and rear wheel housing assembly receives the cutting blade in between its pins or axles, so that the entire width of the saw plate is supported by the wheels during cutting.

One embodiment of a tool to pierce and split a coconut to facilitate removal of the water and meat from the nut. The tool includes of a body (100), comprising a frame (110) sufficient in size to accommodate a coconut and a constrictor cup (124), a shaft (210) which has releasably engaged tap assembly (300) and a releasably engaged splitter assembly (400). The body has a hub aperture (160) to receive the shaft (210). The shaft has means to urge both the cutting and the splitting end into coconut. Other embodiments are described and shown.

A tool trolley or guide for the precise control of hand held power tools such as a circular saw, saber saw, router or other portable power tool to guide the tool along a straight guide path. A chassis upon which the power tool is attached has a trolley like connection with a guide rail releasably secured to a work piece. The chassis has an opening through which the cutters of the tool extend. Tools are mounted on mounting plates which in turn are releasably mounted on the chassis.

Abstract of the Disclosure A power tool, such as a reciprocating saw. The power tool generally includes a spindle for supporting a tool element, a body defining a pivot axis and housing a motor and a drive mechanism driven by the motor, the drive mechanism driving the spindle, the body having a forward end supporting the spindle and a rearward end, and a grip connected to the rearward end of the body for pivoting movement about the pivot axis. The power tool may include a locking assembly for locking the grip in a pivoted position relative to the body and a switch assembly at least partially supported on the grip. The switch assembly is preferably inoperable when the locking assembly is in an unlocked condition, and the locking assembly preferably cannot be moved to the unlocked condition when the switch assembly is in an operating condition.

The invention entails an actuatable tool, such as a chain saw, with at least one handle for manually manipulating the tool by one hand of a user. The tool includes at least one device in at least one area of the at least one handle. The device is suitable and adapted for radiating energy in the form of electromagnetic radiation in the microwave range so that a warming of the user's hand can be brought about.

A tension board comprises a bow member that can deform resiliently to apply lateral force to a workpiece pushed between it and the fence of a table saw, and that may have an associated tension gauge element. Combination tools may employ two bow members having different force-generating characteristics, an array of feather members, and a single contact finger.

This invention relates to an apparatus for cutting a foodstuff into portions, and a method of portioning foodstuffs. A cutting apparatus (1) for foodstuffs (14) comprises a support surface (20) for supporting a foodstuff (14), a retaining member (38) movable relative to the support (20) surface between a first position at a first distance from said surface and a second position at a second distance from said surface, and cutting means (46) secured to the retaining member (38) such that, in use, when the retaining member (38) is moved from the first position to the second position, the cutting means (469 cuts the foodstuff (14) placed on the support surface (20), wherein the cutting means (46) and support surface (20) are movable relative to each other, at least a component of the movement being in a plane parallel to the support surface (20), such that, in use, two or more cuts can be made in the foodstuff (14) at different positions.