Abstract: A portable work platform is provided for attachment to a stationary object such as a ladder. The platform includes a frame, a clamp to retain the frame to a stationary object, a vise for retaining a work piece and a guide for retaining the free end of an elongate work piece.

Abstract: A device for clamping a work piece or a tool in a well defined position comprises a first coupling element assigned to the work piece or tool to be clamped and a second, stationary coupling element. The first coupling element is provided with grooves that cooperate with aligning members provided on the second coupling element to effect a precise positioning of the first coupling element with respect to the second coupling element in X- and Y-directions. A clamping pin member required for locking the two coupling elements to each other is located on the second coupling element. To protect the parts and element essential for the fine positioning, the first coupling element is provided with a supporting member towering above the aforementioned parts and elements.

Abstract: A fixture for a workpiece having an irregular shape or an irregular surface which makes the workpiece difficult to consistently locate and support for machining in a conventional device. The fixture includes a base, upon which is mounted a locating member for positioning the workpiece in the fixture, and at least one support assembly. Each support assembly has a plurality of support elements which are independently adjustable as needed to engage the surface of different workpieces to provide support. In operation, the workpiece is placed in the fixture and positioned relative to the locating member. Each support assembly is adjusted as needed, including independently adjusting the support elements to engage the surface of the workpiece, and the support assembly is secured in position.

Abstract: The present invention relates to a device for holding tile during cutting to obtain defined angles, preferably 45.degree. angles. The present invention further encompasses a method for using such a device in combination with a table-style tile cutter, preferably one using a roller tray with a lip, to cut defined angles into various orientations of tile and, more specifically, tile caps. The device comprises a base having a bottom and at least two straight edges that meet in a right angle in a corner of the base. In its preferred embodiment the base includes two grooves. One of the grooves includes a curved section shaped to mirror and support the concave side of the curved nose of a standard bullnose tile cap. The other groove includes a curved section shaped to mirror and support the convex side of the curved nose of a standard bullnose tile cap. These grooves allow for holding and supporting tile as aligned by the base for cutting pre-defined angles into various orientations of the tile.

Abstract: A hand tool wrench set includes a plurality of wrenches rotatably mounted to one or more pivot pins. The tool includes an elongated body having a channel defining by a channel bottom and side walls. The wrenches comprise a shank portion and a working tip portion, such as a crescent or boxed end wrench tip. The pivot pin is slidably mounted through a longitudinal locking slot in the wrench shank. The longitudinal locking slot defines a proximate portion and a distal portion. The shank may freely rotate about the pivot pin when the pivot pin is positioned in the proximate portion of said slot, however, the shank is biased against the channel bottom when the pivot pin is positioned in the distal portion of the locking slot. This allows a user to fixedly secure the wrench to the hand tool and use the wrench in either a clockwise or counter clockwise manner without reversing the direction of the wrench.

Abstract: A release element for a holddown device, on a solar generator, for example, with a retaining bolt which is under pretension in the direction of its lengthwise axis, releases the retaining bolt from its pretensioned position. Pretensioning force is exerted on the retaining bolt through thread located at the end of retaining bolt into a corresponding internal thread in the release device. Internal thread is located half in a housing of release device and half in an opener. Opener is inserted pivotably in a cutout of housing and held in place by a wire coil wound around housing and opener. To release retaining bolt, the wire coil is released by fuse elements and expands to a larger diameter, releasing the retaining bolt.

Abstract: Clamp apparatus comprising a base, a rocker arm mounted at a location intermediate first and second portions thereof to the base for pivotal movement in opposition to the base, a first clamp element carried by the first portion, power transfer structure supported movably by the base and having drive and driven ends, a second clamp element carried by the driven end in substantial opposition to the first clamp element, and carried adjacent the second portion, a drive element responsive to application of a first force for exerting a second force to the drive end for pivoting the rocker arm to force the first clamp element against a work piece positioned between the first and second clamp elements, and for moving the power transfer structure to force the second clamp element against the work piece.

Abstract: A motorcycle jack including a support assembly (SA) for engagement with a first part (S) of a motorcycle and a lifting assembly (LA) for engagement with a second part (S) of the motorcycle, the first and second parts being on opposite sides of the motorcycle. The lifting assembly (LA) is adjustable between an initial position in which both motorcycle wheels (W) are in contact with the ground and a lifted position in which one motorcycle wheel is raised above the ground (G).

Abstract: A dual jawed adjustable workpiece holder is formed as a highly versatile V-block related device wherein the V-point may be precisely shifted in vernier increments along both X and Y axes in response to lead screw driven translations of one or both adjustable jaws along parallel axes. The pair of mirror image jaws are slidably retained in an interior, U-shaped cavity formed into a rectangular shaped overall workpiece holder. Upon being adjusted to translate a workpiece to a desired location in an XY plane, individual locking screws secure the jaws in position. The thus configured workpiece holder may be used in combination with various grinding machines and clamping means to rapidly and precisely position and retain a workpiece with a high degree of positional repeatability.

Abstract: An hydraulic, bolt tensioning device comprising a reaction component which in use bears against the member from which the bolt shank protrudes, the reaction component having a shank receiving bore extending therethrough, an annular, axially moveable component carried by said reaction component and moveable axially relative thereto by the introduction of hydraulic fluid under pressure between said components, a cam ring secured to said axially moveable component for axial movement therewith, and rotatable relative to said component about the axis thereof, and, a tensioning nut secured to said cam ring for movement therewith, said tensioning nut being divided into at least two relatively displaceable segments moveable relative to said cam ring between an open position in which the shank of a bolt to be tensioned can pass freely between said segments, and an operative position in which the thread portions on said segments mate with the thread of said bolt shank, said cam ring cooperating with said nut segments w

Abstract: Adjustable stoppers for limiting the angle at which pivotal gripper jaws are opened. The stoppers include a stop block and at least one stopper pad which is made from a shock absorbing material such as urethane. The stoppers are secured to a pivotal one of a pair of gripper jaw members of a parts gripper and positioned to abut the other of the pair of gripper jaw members. Stoppers which are provided with two or more stopper pads of different lengths are reversible and can be used to adjust the angle at which the jaw members open. A mounting assembly which includes a mounting plate, and clamping plate and a spherical collar therebetween can be used to mount a workpiece holder from the rear or at a side. Providing the mounting plate with a central circular bore allows a cylindrical support member to be inserted therein and thus axially aligned with the mounting plate.

Abstract: The invention relates to a tool which is intended for inserting separate tooth bits into a saw blade body by turning. The tool (1) comprises an intermediate part (13) with separate turning plates (12a, 12b) arranged on the sides thereof to cover at least that end of the tool which comes into contact with the tooth bit (2), whereby a free space is formed between the turning plates, which enables the tool to be brought to a saw tooth (11) in such a way that the tooth bit can be turned by support shoulders (5) provided in the tooth bit by means of the tool's first insertion heads (10). By means of the tool's intermediate part the space between the turning plates transversally to the blade is arranged to correspond to the thickness of the blade. The intermediate part is preferably formed from at least one suitably thick plate.

Abstract: The present invention relates to power tongs used in the oil and gas industry to make up and break apart the joints on drill pipe and other tubular members. The invention provides a selectively releasable braking apparatus for a power tong. The selectively releasable braking apparatus comprises a braking ring operatively connected to a cage plate of the power tong and a braking surface mechanically connected to the cage plate. The apparatus further has a gripping device capable of selectively gripping and holding the braking surface and has a gear train transferring torque from said brake ring to said braking surface. Power tongs also typically have a throat, a ring gear with an opening, and a cage plate with an opening. The present invention further provides an apparatus for aligning the openings in the ring gear and the cage plate with the throat of the power tong and remotely reversing the direction of rotation of the ring gear and cage plate.

Abstract: A pulling element is provided for use in installing, by means of compressed area, cables in a ducting system including ducts having different inner diameters. The pulling element includes a first part having a first end which is connectable to a cable and a second end which includes a coupling member, wherein first flexible members are provided around a body of the first part for sealing engagement with an inner wall of a first duct having a first inner diameter. The pulling element also includes a second part having a central longitudinal opening and a coupling element capable of cooperating with the coupling member of the first part so as to actively couple the first and second parts when the first part is proximal to the second part, wherein second flexible members are provided around a body of the second part for engagement with an inner wall of a second duct having a second inner diameter greater than the first inner diameter.

Abstract: An adjustable pallet for securing a plurality of elongated workpieces to the work-table of a machine tool. The pallet comprises a rectangular, substantially planar base having three horizontally-disposed plates attached thereto. Each of the three plates has an array of apertures therethrough arranged in a predetermined grid pattern. The grid patterns on the three plates correspond to one another. The middle of the three plates is adjustably slidable with regard to the top and bottom plates, which are fixedly attached to one another. The top and bottom plates are attached to one another with their respective apertures in registry or alignment. The pallet utilizes thumb-nut assemblies to threadedly adjust the displacement of the middle plate with regard to the top and bottom plates. The middle plate is adjustably movable to a position that allows the apertures therein to be in registry or alignment with those of the top and bottom plates.

Abstract: A vise comprises a base member, a fixed end member having a fixed and jaw thereon, and a movable end member having a movable end jaw thereon. The movable end jaw and the fixed end jaw define a space therebetween which can be increased or decreased by movement of the movable end member away from or towards the fixed end member. Fastening means are provided for respectively connecting the fixed end jaw to the fixed end member and for connecting the movable end jaw to the movable end member. The fastening means have receiving means whereby an attachment jaw can be releasably connected to at least one of the fixed end jaw and the movable end jaw.

Abstract: This invention relates to a mounting tool, wherein contact springs are fixed in place on a ridge by a press-on unit. A mounting tool used for a simple and secure mounting of the contact springs is created because the press-on unit has a rolling body which rolls on counter-surfaces of the contact springs and presses the contact springs on the ridge.

Abstract: I have invented a device for removing a fuel injector from the engine block of an internal combustion engine that comprises a support member having a cylindrical channel passing through said support member, a threaded rod that includes a first lug nut fitted onto one end of said rod in a manner that supports said first lug nut and allows the rod to turn without turning said first lug nut, said threaded rod inserted through said channel in said support member, a second lug nut screwed over and onto the other end of said rod in a manner that prevents removal of said rod from said support member, and said first lug nut provided with internal threads capable of mating with the threads provided on a fuel injector.

Abstract: A magnetic head includes pole tips with aligned sidewalls and a low head profile. The aligned sidewalls are formed by depositing a stack of pole tip layers on a substrate. The stack of layers are etched through a common overlying mask. The stack of layers is covered over and around with a protective layer which is then planarized such that the stack of layers is exposed. The protective layer is etched to a predetermined thickness above the substrate, which is thinner than the thickness of the stack of layers. An inductive coil layer is deposited on the etched protective layer and covered with an overlying magnetic yoke layer which is dielectrically separated from the coil layer. The yoke layer thus formed assumes a low profile curvature due to the thin structure of the protective layer on the substrate.

Abstract: A work stop for use on a machine vise is received in a jaw plate for such vise and is securely locked in position. The work stop is fixed in a groove that is machined into a top edge of the jaw plate or jaw, with a member extending over the edge of the jaw plate and adjacent the face of the jaw plate that is used for clamping, a workpiece. This permits the workpiece to be slid against the stop before being clamped. The jaw plate is removably mounted onto a fixed jaw, and is located precisely relative to the fixed jaw so that the jaw plate with the work stop attached can be removed, and then replaced when the same part is to be machined again.