Abstract: The machine for abrasive treatment comprises an abrasive tool (1) and a device for establishing the holding-down force within the machining zone, said device having a housing (3) provided with guideways, wherein poppet sleeves (4) carrying spindles (5) are free to reciprocate so as to translate the holding-down force to the abrasive tool (1), and a feed mechanism (14) located on the housing (3). According to the invention, in the device for establishing the holding-down force the poppet sleeves (4) are interlinked through an elastic member which is regidly coupled to the feed mechanism (14), while the latter mechanism is adapted to damp the travel of the elastic member in the forward and reverse directions of feed.

Abstract: A universal tool for the fitting and removal of brake shoe return springs of trucks, truck trailers and omnibuses in the form of a slender bar which may be used as a first, second or third class lever and has at least one draw hook member pivoted thereon so as to be able to swing through an angle of at least 90.degree. in relation to the lever. The lever furthermore bears a spur and its distal or outer end is in the form of a hook.

Abstract: A tool for removing lagging strips from conveyor belt pulley drums is disclosed. A tool head is driven across the drum against the end of the strip, and simultaneously raises the metal clips which retain the lagging strip. Parallel tubular elements guide the tool head across the drum, and a hydraulic cylinder or winch may be used to power the tool head.

Abstract: A tool organization is set forth for positioning and engaging a joist in relationship to a predetermined orientation relative to a cross joint utilized in construction to arrange and orient the first joist in a vertical orientation. The tool comprises a bifurcated head including an internally threaded boss at a rear terminal end thereof to threadedly receive a handle thereon to permit selective replacement of the head to accommodate various width joists. Legs of the head include planar parallel confronting faces and rearwardly tapered side surfaces to effect clearance and enhance visualization in use of the tool. A modification of the instant invention includes a cross shaft mounted to a rear terminal end of the handle, including spirit level and a series of notches mounted on a top surface of the cross shaft.

Abstract: A vise has a stationary jaw, a movable jaw, an outer hollow high-speed spindle threaded in the fixed jaw and formed with a radially open entrainment recess, and an inner low-speed spindle threaded in the outer spindle. A hand crank is rotationally fixed on an inner spindle and an entrainment pin is displaceable transversely in the inner spindle between an entrainment position engaged in the recess and rotationally coupling the inner spindle to an outer spindle and a freeing position clear of the recess and permitting relative rotation of the spindles. A switching piece on the inner spindle can operate a bolt to press the operating bolt into the camming surface in a low-speed position of the switching piece and thereby pull the entrainment pin out of the recess to decouple the spindles and in a high-speed position frees the operating bolt from the camming surface and couples the spindles to each other.

Abstract: A universal transmission work station (10) designed for use by a single person to mount and service any model or type of automatic transmission (50). Thus, the invention solves the problem of needing more than one work station to service the various models/types of transmissions used today. The work station (10) requires a minimum work space, is easily stowed when not in use and is easily dismantled for storage or shipment. The work station consists of eight common assemblies and a ninth assembly especially designed to service frontwheel drive transmissions. The design basically consists of a base assembly (12) to which is attached a lower and upper pivoting assembly (14) (16). After the transmission (50) is mounted to the work station, by means of a tail housing support assembly (18) and a bell-housing mounting plate assembly (20), the pivoting assemblies (14) (16) can be tilted to allow the transmission (50) to be serviced in a horizontal position.

Abstract: A headrest assembly for a patient receiving couch includes an integrally formed support body and a structure for detachably securing the support body to an associated patient receiving couch. The support body includes a torso receiving region, a neck supporting region and a head receiving region. The securing structure includes a pair of side securing member for positioning a pair of sides of the support body in relation to the patient receiving couch.

Abstract: A grinding wheel which is mounted on the tool spindle of a grinding machine is detached from the tool spindle and is transferred onto a second spindle while the two spindles rotate. Reattachment of the grinding wheel to the tool spindle also takes place while the two spindles rotate. This saves time and reduces the wear upon the bearings and upon the brakes for the tool spindle. If a grinding wheel on the tool spindle is to be replaced with a different or fresh grinding wheel, the machine uses two additional spindles one of which serves to accept a grinding wheel from the tool spindle and the other of which delivers a different or fresh grinding wheel to the tool spindle.

Abstract: A woodworking corner clamp assembly having two screw clamp assemblies, each clamp assembly being oriented perpendicular to one leg of an L-shaped frame. Each clamp is also capable of longitudinal sliding movement along one leg of the L-shaped frame. The longitudinal position of each clamp along the respective leg of the L-shaped frame is controlled by the rotation of a threaded rod which passes through a longitudinal slot located in the leg of the frame and through a portion of the base of the clamp member, such that rotation of the threaded rod causes the clamp to be driven longitudinally along the length of the frame.

Abstract: A grinding machine for grinding a woodworking tool shown as knife to a predetermined shape includes two main tables. The upper table moves toward and away in a Y direction from the grinding wheel and a lower table that moves left and right in an perpendicular X direction in relation to the face of the grinding wheel. The total of the two movements yielding a full, two dimensional planar movement. The upper table includes a movable holder for a template having the desired shape. A guide pin is mounted to a base plate that is also adjustable toward and away from the grinding wheel in a Y direction. The template on the upper table is engageable with the guide pin and is movable relative thereto in a full planar two dimensional motion to thus cause corresponding movement of the woodworking tool relative to a grinding wheel to grind desired shape into the woodworking tool. The grinding wheel is positioned to first engage the cutting edge of the tool or knife in a face up position.

Abstract: This invention provides a novel nose assembly for an installation tool for crimping or swaging nuts onto threaded bolts to form a lock-bolt combination. The nose assembly is configured such that its spindle has a bight section or slot to receive a projected head of a pull piston. This provides quick engagement and disengagement of the nose assembly from the installation tool that allows easier and faster change without the use of special tooling.

Abstract: Large, flat objects such as manhole covers, and storm drain grates, are lifted and maneuvered. A tool includes a gripper assembly which receives the object at or near an edge and establishes control by an arrangement of at least one concentrated contact area or pressure point on one surface of the object and a pair of such concentrated contact areas or pressure points on the other surface. A long lever handle allows pivoting to raise the object; rollers on the tool accommodate maneuvering afterwards. Avoidance of runaway rolling and maintenance of positive movement control is possible by a stub or pin which is attachable if desired to engage the ground, street or the like, after the object is lifted.

Abstract: A quick-release rack and pinion safety jack assembly for mounting upon the tongue of a conventional trailer. The jack assembly comprises a vertical support stanchion extending upwardly from a rotatable caster, a rigid rack, and a weatherproof box-like gear housing penetrated by the stanchion. A rotatable hand crank is rotated to move the stanchion relative to the gear housing, to elevate or lower the trailer. The internal gear assembly comprises a worm gear driven by the hand crank and a drive gear driven by the worm which selectively meshes or unmeshes with the rack. The drive gear is mounted for rotation upon a rigid axle which penetrates elongated follower slots defined in opposite walls of the gear housing. The drive gear axle is coupled at its ends by rigid links rotatably anchored in a pivotal safety lever. The safety lever is manually deflectable along an arcuate path between a first lock position and a second released position.

Abstract: A screw driving and gripping tool for holding and tightening the screws on pivoted tools such as scissors shears and the like having a variety of thicknesses. The screw driver and gripping device includes a pair of elongated gripping members which are pivotably connected and each of which has a pair of jaws on one end. One of the jaws is adapted to support tools being tightened and the other of the jaws is adapted to support a screw driving bit for engaging the kerf of the screws on pivoting tools such as scissors, shears and the like. The screw driving bit is supported in a support which is drivingly connected to the screw driver jaw while rachet motion in either direction and for driving the screw driver bit whenever the tool grips a tool whose screw is to be tightened.

Abstract: Grinding of non-round workpieces with plunge cutting on circular grinding machines is performed by a grinding disc which is coupled with a dressing roller and which is also kinematically coupled to a workpiece, so that the grinding is performed in condition of the kinematic coupling.

Abstract: A clamping apparatus having a pair of vise jaws. A pair of concave recesses are formed laterally of each other in the face of the vise jaw. Each concave recess has a base with an arcuate groove therein. A semi-circular clamping member is disposed in each concave recess. The clamping member has a convex surface complementary to the concave recess. The clamping member further has an arcuate rib thereabout which is complementary to the arcuate groove in the clamping member. The upper surface of the clamping member has a semi-circular boss thereon which forms a step-like relationship to the upper surface. A pair of retaining covers are disposed on the upper surface of the jaw and extend over the clamping member so as to abut the semi-circular boss. The retaining cover secures the clamping member to the jaw and also prevents processing chips from falling between the concave recess in the jaw and the convex surface of the clamping member.

Abstract: A modular workpiece holding apparatus for locating and holding a workpiece in a predetermined position. The apparatus includes a base having a plurality of external faces, each with a plurality of bores arranged in an X-Y grid pattern of parallel rows, the bores alternating vertically and horizontally between first and second different diameter bores. A riser is mounted at a predetermined position on the base by bushings and fasteners extending between the riser and the bores in the base. The bushings in each riser are arranged in diagonally opposed pairs such that one pair of bushings engages the first diameter bores in the base; while the second opposed pair of bushings engages the second enlarged diameter bores in the base. A workpiece attachment member is mounted on the mounting head end of each riser to locate and hold a workpiece. The mounting head of each riser is axially in line with the riser mounting base or offset from the riser mounting base.

Abstract: A portable apparatus for drilling and shaping tile at a worksite has a base assembly with a support arm extending upright therefrom. A horizontal housing, rotatably connected at one end to the support arm, houses a slide assembly which supports a router; the slide assembly including a set of wheels for rolling and guiding the router radially in relation to the support arm. An adjustable annular collar about the support arm fixes the height of the horizontal housing and the associated router with respect to the support arm. Further adjustment of the height of the router in relation to the base assembly is accomplished by using a turnbuckle assembly which lowers the support arm into and withdraws it from the base assembly. A work tray supported on the base assembly has markings to position and guide the tile with respect to cutting tools rotatably fixed to the router for drilling holes in and linearly and arcuately shaping the tile. The cutting tools are cooled and lubricated by a liquid recirculating system.

Abstract: Promotional pieces including pop-up structures and methods for mass production on a web press or the like are disclosed. After manipulating the web to create a double thickness in a region of two pop-up panels, die-cutting of the double-thickness region creates an identical pattern along edges of these panels which creates a desired artistic effect found earlier in hand-assembled items. These pieces may have a pop-up structure which includes a tunnel-like construction having apertures formed along a hinge line between two panels. Die-cutting may also be performed along both edges of a pair of folded-over pop-up panels.

Abstract: A device is disclosed for realignment of sidewalk sections displaced by settling or root lifting, where a hazardous step exists at a joint or crack. It comprises a rigid longitudinal span supported over the section, with cross members reaching over the section sides. Hooks are suspended from the ends of the cross members, and hooked under the section sides. Winches on the cross members raise the hooks, lifting the section. Dirt is added under the section and graded with a long-handled spreader to realign the section effectively and inexpensively.This method of repair is much better than repouring or patching. Repouring is expensive, and makes the adjacent sections look old by comparison. Patching produces a short ramp, which is itself a hazard and has a makeshift appearance.The device is light enough to be manually positioned with attached wheels, stable in operation, and inexpensive. The only repair material used is dirt, making repairs very inexpensive.