Abstract: A carpentry featherboard having a curved contact surface generally configured in the shape of a spiral and having a pivot point of the body and a plurality of radii defined between the pivot point and portions of the contact surface, the radii progressively increasing in dimension to define the spiral shape of the featherboard body.

Abstract: A method and apparatus for forming a composite part. An apparatus comprises a tooling plate, a tab co-bonded with the tooling plate, and a group of alignment features associated with the tab. The tooling plate is configured for use with a tool to form a composite part. The group of alignment features is configured to position the tooling plate with respect to the tool used to form the composite part.

Abstract: A clamping device includes a body having a first guiding feature and a slider component positioned within the body that is moveable between a first position and a second position. A pair of jaw members is coupled to a slider assembly, wherein the jaw members are moveable between a first state and a second state based on a direction of travel of the slider component. At least one of the jaw members includes a second guiding feature operably coupled to the first guiding feature of the body. The first and second guiding features cause the jaw members to automatically pivot from the first state to the second state when the slider component travels from the first position to the second position and pivot from the second state to the first state when the slider component travels from the second position to the first position.

Abstract: A bar clamp is provided with a slide bar; a movable housing on the slide bar and including a movable jaw carrier including a first jaw at one end, a handgrip, and a trigger handle; a housing member releasably mounted on the slide bar and including a fixed jaw carrier and a second jaw; and a cam type fastening device on fixed jaw carrier. In an inoperative position thin portions of cam rings are locked allow a slide bar of another bar clamp to freely pass through the fastening device. A clockwise pivotal movement of a lever locks thick portions of the cam rings to fasten the slide bar of another bar clamp.

Abstract: An arrow fletching jig provides operation that adapts to various arrow shaft diameters and arrow fletching patterns. The fletching jig includes a clamp secured to a base. The clamp secures a fletch at a fixed orientation along the arrow shaft while the fletch is being glued to the arrow shaft. The clamp can be made rotatable to tilt the clamp with respect to the arrow shaft, so that the fletch forms a helicoid around the shaft. The clamp may provide semi-cylindrical notches at each end to maintain spacing of arrow shaft and clamp by contacting the arrow shaft along an inner surface of the semi-cylindrical notches when an end of the clamp is rotated around the shaft to tilt the clamp. The fletching jig may also include a notched arrow shaft clamp for securing the arrow shaft to the base, which is rotated to secure and release the arrow.

Abstract: A clamping device includes two springs, a first barrel, and a second barrel. Each of the two springs includes a first end and a second end. The first barrel is attached to the first ends of the springs, and includes a number of first clamping portions, a number of first slots, and a first receiving space. The first clamping portions and the first slots are alternately arranged around the first receiving space. The second barrel is attached to the second ends of the springs and received in the first receiving space. The second barrel includes a number of second clamping portions, a number of second slots, and a second receiving space. The second clamping portions and the second slots are alternately arranged around the second receiving space. The second barrel is rotatable relative to the first barrel in the first receiving space between a first position and a second position.

Abstract: A clamping apparatus includes a motor, a first cone gear secured to a shaft of the motor, and two clamping bodies attached to opposite sides of the motor. Each of the clamping bodies includes a second cone gear meshing with the first, a threaded post fixed to the second cone gear, a carriage threadedly connected with the threaded post, and a clamp arm fixed to the carriage. The motor rotates the first cone gear, and in turn the second cone gears and the corresponding threaded posts. With the rotation of the threaded posts, the carriages move towards or away from each other, whereby the clamp arms cooperatively acquire an object between the clamp arms, or release the object therefrom.

Abstract: An arrangement for clamping a flat plate to a flat surface includes juxtaposing the plate to the flat surface. An axially-movable wedging element defining a surface fitted with wedges is fixed against motion in other than a direction of elongation, and is forced to move in the direction of elongation. The wedges are forced against a first spring beam to impart forces thereto. The forces are coupled from the first spring beam to a second spring beam by intermediary supports. The second spring beam bears against a surface of the flat plate to force the plate against the flat surface.

Abstract: A clamp having a first member and a second member; and a mechanism to linearly displace the first member and the second member away from, and toward each other in unison.

Abstract: A pin clamp assembly is provided. The assembly includes a housing, a locating pin, a body, and first and second locks. The locating pin extends from the housing. The body extends from the locating pin. At least a portion of the body is located interior of the housing. The body and locating pin are movable with respect to the housing. The first lock is located on the body and the second lock is configured to selectively couple with the first lock. Selective coupling of the locks prevent the body from moving.

Abstract: A clamping lever with a vertically adjustable thrust bearing for the execution of a clamping movement on a tensioning device, preferably on a tensioning device with an eccentric tension lever which is pivoted on a set bolt by means of a penetrating cross bolt, wherein a thrust bearing associated to a clamping contour of the clamping lever is constructed vertically adjustable. The cross bolt is held secure from torsion in a cross hole of the set bolt and the tension lever exhibits a pivoting angle limit to the set bolt.

Abstract: A tool for forming a high strength reinforcing bar coupling driving self-locking wedge sleeves over each end of a contractible jaw assembly bridging the abutting ends of the bar to be joined. The sleeves are seated in collars engaged by the distal ends of arms driven for closure by a piston-cylinder power unit and a cam on at least one arm. In one form the cam on one arm is engaged by a roller connected by a tension link to the other arm. In another form cams are provided on each arm driven by rollers fixed with respect to each other. The collars include self-releasing collets seating the sleeves. The tool has other uses such as bar shearing or forming.

Abstract: A workpiece clamp is disclosed for pressing first and second workpieces into engagement by a chucking tool (6) and a counter-holding device (7) supported by a frame (5). A pair of clamping jaws (11,12) with spiral shaped clamping surfaces (13,14) are pivotally mounted on the clamping jaw support (8) of U-shape having two spaced apart support members. First and second pivot pins (21,22) are mounted opposite and parallel to each other on the support members. The clamping jaws squeeze and hold one workpiece therebetween when the chucking tool (6) is moved against the other workpiece to force the workpieces into engagement. The spaced apart support members provide a clearance space to allow one of the workpieces to be inserted between the jaws at any angle for engagement with the other workpiece.

Abstract: A substrate holding apparatus holds a rotating substrate without idly rotating the substrate and keeps the substrate in proper balance while the substrate is rotated. In a revolvable holding member, a column-shaped holding part is disposed on a top surface of a column-shaped supporting part, at an eccentric position with respect to a rotation axis of the supporting part. The revolvable holding member is supported by a rotation base for free rotation, and linked to a magnet holding part which incorporates a permanent magnet. On the other hand, a ring-shaped magnet which is disposed in a processing liquid collecting cup is freely driven by an air cylinder in a vertical direction. As the ring-shaped magnet is moved upward or downward and crosses a predetermined line as viewed in a positional relationship relative to the permanent magnet, which is at a height where the permanent magnet is disposed, the direction of a magnetic line of flux of the ring-shaped magnet is reversed.

Abstract: A cam for locating and holding a windshield in an automobile during installation and cure includes a body having a bore in the bottom providing a journal for guiding rotation of the body in an arc around the bore. A lever arm projects from one side of the body. A nose projects from the opposite side of the body. A cam surface on the nose includes a ramped portion sloped outwardly and downwardly, having a planar section and an arcuate section.

Abstract: A component mounting apparatus for automatically mounting components on a circuit board includes a mounting unit for picking up a component from a component pickup location and mounting it at a mounting location. The mounting table can be driven to the pickup location and can removably secure a cassette table that can support a plurality of components that are to be mounted on the circuit board. A cassette table can be removable clamped to the mounting table. A carrier cart can transport the cassette table to a position for attachment to the mounting table. The carrier cart can be appropriately aligned and secured relative to the mounting table to enable the cassette table to be removably attached to the mounting table.

Abstract: A setup device for use in a machine way channel of a machine table comprising an elongate member having opposed first and second ends. The elongate member has a stock engaging surface located adjacent the first end for facilitating alignment of a desired piece of stock relative to the machine way channel. The second end of the setup device supports a locking arrangement for releasably engaging with the machine way channel of a machine table. The setup device also includes a mechanism for facilitating rotation of the setup device for locking and unlocking the setup device, as desired, from the channel.

Abstract: A fixture for securing a pin grid array (PGA) and grounding all circuits or pins in the PGA for electrolytic plating provides a series of parallel wires that are inserted between every other gap between the PGA pin rows. The cross section of each wire is constructed to provide a first cross sectional width at one location that is less than or equal to the PGA gap width for insertion into the PGA gap and a second cross sectional width, at an angle to the first cross sectional width, that is greater than the gap width. With this arrangement, the wire can be inserted in the gap with the first cross sectional width traversing the gap and then rotated to bring the wider, second cross sectional width into spreading engagement with the pins for a reliable mechanical and conductive contact.

Abstract: A convertible woodworking jig comprising multiple components suited to making specialty woodcuts necessary for the manufacture of rails and stiles of cabinet door frames from standard milled wood stock. The jig has a base having a planar work surface, a first fence having a first straight edge, and a second fence with a second straight edge, between which edges a first cam assembly is medially positioned. The cam body is rotatably positionable for wedging a freely-positionable pressure block tight against a work piece, which is selectively positioned against one of either the first straight edge or the second straight edge. The work piece being so secured, a biscuit slot may be cut into the mitered end by use of a guide assembly disposed at an operative end of the second fence, which assembly closely guides a hand-held, power cutting tool at a predetermined angle formed relative to the plane of said second straight edge.

Abstract: A support for construction material provides for the temporary support of elongate materials during construction projects or storage of the materials. The device comprises a generally U-shaped frame having a flat, planar base and opposite parallel planar arms extending upwardly and generally normal to the base. Each arm includes an elongate slot therein, with an axle having a series of rollers thereon, adjustably installed in the slots. One of the arms includes an additional roller at the uppermost end thereof, with its axis normal to the adjustable rollers extending between the arms. The opposite arm includes at least two nail slots, adapted to receive partially driven nails so the device may be temporarily suspended during use.

Abstract: A workpiece indexing and clamping system for machining the workpiece. Spherical or narrow cylindrical heads of index pins extend from holes in a base plate into workpiece holes to align and index the workpiece. The pin portions in the base plate holes can be expanded to lock them to the base plate. Each pin has relief flats parallel to the pin axis. Clamps engage workpiece edges with thread-like angled grooves on a cam surface to force workpiece edges against the base plate during machining of the workpiece. A central clamp has a pin extending from the base plate into a workpiece hole. Angled grooves in a cam surface are brought into contact with the hole sides to force the workpiece toward the base plate and hold the central area in place during machining.

Abstract: A workpiece clamping apparatus for securing a workpiece relative to a planar support surface has a first cam with an arcuate exterior surface thereon. A pin is disposed for rotationally mounting the first cam about an axis. A mounting member is associated with the planar support surface for receiving the pin. Additionally, an abutment plate is operatively associated with the first cam for releasable securing a workpiece relative to the planar support surface. The workpiece can also include a second cam, having an arcuate exterior surface operably attached to the pin. The mounting member has a plurality of spaced apertures arranged in rows on the planar support surface, wherein each of the apertures are dimensioned to receive the pin.

Abstract: A workpiece clamping apparatus has a first cam with an arcuate exterior surface thereon. A pin is provided for rotationally mounting the cam about an axis to an anchoring member. An adjusting mechanism is provided for adjusting the position of the pin means with respect to the anchoring member.A second cam is operably attached to the pin and is mounted for rotation about the axis.An anchoring member is attached to the work surface.A track member is attached to the work surface and the bottom of the anchoring member is attached to the track member.

Abstract: A workpiece clamping apparatus for securing a workpiece relative to a planar support surface; wherein, the workpiece clamping apparatus includes an abutment plate having means for selectively positioning the abutment plate relative to the planar support surface; and, securing means operatively associated with the planar support surface for captively engaging the workpiece between the abutment plate and the securing means.

Abstract: The clamping system makes it possible to hold a free portion of a part during operations performed thereon. The device includes a plurality of blocks, each integral either with a pin or with a tube equipped with a small operating lever. The assembly is mounted in a gripping base between two shoulders. Gripping of each block in the clamping position is accomplished by a screw and two plates which make it possible to lock the assembly. The clamping system permits clamping of turbojet blades during the electrochemical machining or milling operation thereon.

Abstract: An improved height adjustment mechanism for a chair seat back is disclosed. The improved height adjustment mechanism includes a U-shaped mounting bracket having a back wall and two side walls. A longitudinal cam having a handle is rotatably mounted in the bracket between the side walls and spaced from the back wall. A seat back support arm is insertable through the bracket between the cam and the bracket back wall. The cam is provided with a plurality of planar faces extending in the longitudinal direction disposed around about a third of the circumference of the cam. The radial length of the line extending perpendicularly from each planar face to the longitudinal axis of the cam increases steadily from one planar face to the next in one direction around the circumference of the cam. This steady increase in distance of the planar faces from the axis of the cam provides a cam action on the seat back support arm when the cam is rotated in one direction with the support arm located between the cam and back wall.

Abstract: A clamping apparatus of construction molding board has a base, a base body, a press bar, and a torsion spring. The base is provided with a through hole. The base body of U-shaped construction is made integrally with the base such that the base body extends upwards from the base. The base body contains a receiving space having a rear portion provided with a canal in communication with the through hole of the base. The press bar has a bottom end provided thereon with a serrated arresting portion. The press bar is mounted pivotally in the receiving space by a shaft pin in such a manner that the arresting portion is opposite in location to the canal. The torsion spring is composed of two ring bodies sharing a common end which forms a pressing portion of an inverted U shape. The two ring bodies are provided respectively with another end which forms a supporting portion.

Abstract: A two-piece adjustable support for supporting the edge of a windshield panel on a vehicle body includes a molded plastic base member and molded plastic rotary cam member. The base member and the rotary cam member have integrally molded mating cylindrical elements with a snap-fitting retention mechanism to rotatably mount the rotary cam member on the base member. The base member has an integrally molded fastener which inserts through an aperture in the vehicle body panel to immovably mount the base member on the vehicle body. The rotary cam member has a cam surface on the periphery thereof for engaging and supporting the lower edge of the windshield panel. A detent integrally molded with the members includes a plurality of teeth molded on the rotary cam member and engaged by at least one tooth carried by a flexible spring arm integrally molded with the base member.

Abstract: A device for fixing a work in position on a base having a protrusion and a hole formed adjacent the protrusion for mounting the device. The device includes a rotational member mountable in the hole of the base and rotatable around the axis of the hole. The rotational member has a shank insertable into the hole and a head disposed on an upper end of the shank. The head is provided with a lateral surface for pressing the work against the protrusion. The distance from the rotational axis of the rotational member to the lateral surface is varied in a circumferential direction of the head. The rotational member further includes a first engaging portion for engagement with a tool for rotating the rotational member. A threaded hole is formed to extend from the head to the shank along the rotational axis of the rotational member. A screw member is threadably engaged with the threaded hole of the rotational member and has a second engaging portion for engagement with another tool for rotating the screw member.

Abstract: A printed circuit board holder wherein several boards are securely held in place in a fixture by force exerting devices pushing against the board edges. The fixture includes recessed openings where the boards are located and force exerting devices positioned between pairs of the openings. The force exerting devices include an elliptical member which is mounted flush with the boards and is rotatable to push the two adjacent boards apart from each other. Contact is made only with the board edges to provide a smooth surface across the force exerting means, the circuit boards, and the fixture.

Abstract: A delicate or awkward to grip component which is to be friction bonded to another has formed on it a flange or like formation which can be gripped firmly by a wedging action. The component is loaded into a shuttle, provided with a releasable wedge clamp, which is carried by the output drive member of a friction bonding machine. Machine forces for the necessary friction heating and bonding phases of the operation are transmitted to component through faces on the shuttle which abut the component flange.

Abstract: A device (10) for holding a sheet-like item during, for example, a folding operation. The device (10) includes a finger (46) having an engagement surface (74) defined by an engagement portion (60) of the finger (46). A jaw (76) is eccentrically mounted for rotation between a position in engagement with the surface (74) and a position wherein the jaw (76) is spaced from the surface (74). The jaw (76) is biased toward the engagement position.

Abstract: A clamping apparatus allowing an operator to securely position and clamp a cut-off die set to the carriage of a cut-off press. The clamping arrangement includes outwardly beveled sides on the die set coacting with an inwardly beveled stop and an inwardly beveled eccentric clamping member. The clamping member being rotatable to allow the die set to be placed in the proper position on the carriage. After positioning the die set on the carriage, the eccentric clamping members are rotated to contact the outwardly beveled edge of the platen thereby wedging the platen between the stop and the eccentric clamping members.

Abstract: A shearing blade assembly specifically for use in a double cut die set of the type used to cut tubing continuously emanating from a tube mill. The present invention is directed toward the shearing blade assembly used in conjunction with the notching blade of the cut-off die set. The subject device includes a mounting block fixed to the upper platen of a die set, a shearing blade mounted to a shearing blade cartridge. The shearing blade cartridge is then inserted into the mounting block and is retained in position by a cam lock assembly. The cam lock assembly and cartridge system allows the shearing blade to be quickly and efficiently removed and replaced as needed.

Abstract: A shearing blade assembly specifically for use in a double cut die set of the type used to cut tubing continuously emanating from a tube mill. The present invention is directed toward the shearing blade assembly used in conjunction with the notching blade of the cut-off die set. The subject device includes a mounting block fixed to the upper platen of a die set, a shearing blade mounted to a shearing blade cartridge. The shearing blade cartridge is then inserted into the mounting block and is retained in position by a cam lock assembly. The cam lock assembly and cartridge system allows the shearing blade to be quickly and efficiently removed and replaced as needed.

Abstract: The assembly comprises a first slide (34) carrying a wire insertion tool (38) and a second slide (80) carrying support tools (92). As the slide (34) descends through a working stroke to cause the wire insertion tool (38) to insert a wire (W) into the wire slot (18) of an electrical terminal (10') of a multicontact electrical connector (2), support noses (96) of the support tools (92) which are in an open position, enter the mouths of the wire slots (18) of the next adjacent terminals. The wire insertion tool (38) continues to descend past the noses (96) to insert the wire (W) into the slot (18) of the terminal (10') and the support tools (92) close so that their noses (96) engage the terminals (10) on either side of the terminal (10') to be loaded with wire, thereby to restrain splaying of that terminal (10') as the wire (W) is inserted into its wire slot (18).

Abstract: A device for securing a motor vehicle windshield has rotatable eccentric members which serve as a means to raise the windshield from an initial installation position into a final position. The eccentric member is arranged on a rotatable spacer which is non-uniform in thickness. This arrangement provides that the gap between the inner windshield surface and the windshield frame can also be adjusted.

Abstract: Clamps for securing rollable devices such as utility poles to vehicles such as patient transportation vehicles are disclosed. In accordance with preferred embodiments, the clamp is comprised of mounting plate, leg guide, receiving pocket and variable cam for securing the utility pole to the patient transportation vehicle. The variable cam is preferably comprised of a section of an ellipsoidal solid surrounded by a bezel. The weight of a lever which rotates the variable cam is used to secure the variable cam and secure a utility pole within the pocket. The mounting plate of the clamp has multiple mounting locations such that the clamp can be used with numerous transportation vehicles and may be attached in various positions.

Abstract: A support for sensing the proper positioning of a workpiece and holding the workpiece for a machining operation in response to the proper positioning includes elements for sensing the position of the workpiece at a plurality of locations on the workpiece and a power drive mechanism for operating a clamp to secure the workpiece in the proper position. The sensing elements are connected in series to a power source and are actuated by engagement with predetermined locations on the workpiece when the workpiece is in the proper position. The clamp includes clamp arms which swing laterally away from seats for the workpiece as the clamp arms are moved forward to release one workpiece and accept another.

Abstract: A planar workpiece such as a printed circuit board or a ceramic substrate for an integrated circuit is aligned by apparatus including three pivotal cams that initially fit relatively loosely in three apertures in the workpiece. As the cams are rotated, they contact the sides of the apertures and thereby urge the workpiece into a centered and aligned position.

Abstract: Several versions of a tooling plate clamp are disclosed. Each comprises a retainer pin a circular part of which extends outwardly from the face of the plate. An eccentric clamp body rotates on the circular part of the retainer pin and is held against the face of the plate, or against a spacer, by an overhanging head on the pin. The clamp body can be cylindrical to exert a lateral force on the workpiece or conical so that it exerts lateral and downward forces simultaneously. In one version, the clamp body has an edge which engages the workpiece along a narrow line of contact rather than over a wide area. The clamp body may also be a hold-down clamp with two oppositely directed helical overhanging surfaces.

Abstract: The Adjustable Work Piece Clamping System permits a work piece to be held firmly on a work surface. It employs a clamping member having a spiral outer surface, this clamping member being pivotally attached to the work surface, preferably by a pin linked to the clamping member and received in one of a grid of openings provided in the work surface. It may employ other members adjustably attached to the work surface, preferably by pins, these members including a fence, an adjustable clamping member incorporating a pivotally attached shoe, and various other components set forth in the following specification. By employing the clamping member and these other components, a work piece of most any material may be firmly and quickly fixed on the work surface in virtually any position for cutting, face finishing or assembly, then easily removed upon completion of the operation.