Abstract: A tube-squaring tool and a clamping mechanism for clamping a workpiece by only a partial revolution of a cam ring to provide quick and easy clamping and unclamping of a workpiece with respect to the body of the tube-squaring tool to which the clamping mechanism is connected. The tube-squaring tool body mounts a motor centrally thereof to facilitate handling of the tube-squaring tool and the cutting action is performed by advancing a tool shaft relative to the body by operation of a handle pivotally mounted adjacent an end of the body of the tube-squaring tool.The clamping mechanism has a cam ring movable between a first position to permit endwise insertion and removal of a tubular member and a second position to bind the tubular member in associated structure. A spring provides a certain amount of tolerance and yieldability to the clamping force applied by the cam ring.

Abstract: An apparatus for the quick clamping of skis of various widths is described, having two parallel guide rods on which a movable clamping jaw is guided. By means of a threaded element and an eccentric lever, the movable clamping jaw is reciprocated in the axial direction and relative to a stationary clamping jaw. In order to attain a substantially constant clamping force with such an apparatus while providing for easy manipulation, a threaded spindle, as the threaded element, is rotatably supported and is joined in a rotationally stiff manner with the eccentric lever via a member which is elastic in the axial direction.

Abstract: A sheet bending brake comprising a plurality of C-shaped frame members that support a first member. The first member has a clamping surface. A second member is hinged to the first member and has a bending surface. A plurality of bars are pivoted to the frame members and support an anvil member that extends longitudinally of the first member. A cam support shaft is rotatably mounted on the frame members and a plurality of eccentric cams are secured on the shaft. Each bar is generally C-shaped and a cam is positioned between the upper and lower flanges thereof. A handle is secured to the shaft such that when the handle is operated, the eccentric cams are rotated to move the bars and, in turn, the anvil member into and out of clamping position. The shaft and eccentric cams are provided with circumferentially spaced teeth extending axially so that the cams are locked in any adjusted position.

Abstract: A locking trolley for gripping and locking the hooked ends of hangers in a garment bag includes a C-shaped frame member and a jaw member extending forward from the rear of the C-shaped frame member. Gripping pads for gripping the hooked ends of hangers are located between the lower horizontal portion of the C-shaped frame member and the jaw member. A locking arrangement operatively moves the jaw member toward the lower horizontal portion of the frame member to cause the gripping pads to grip the hanger ends and also locks the jaw member in the hanger gripping position. The locking arrangement preferably takes the form of a locking lever pivotably connected to the forward end of the jaw member. The locking lever pivots between the jaw member and the upper horizontal portion of the frame member to hold the jaw member in the locked position. To release the locked relationship the locking lever is grasped and pivoted between the jaw member and the upper horizontal portion of the frame member.

Abstract: A locking trolley for gripping and locking the hooked ends of hangers in a garment bag includes a C-shaped frame member and a jaw member extending forward from the rear of the C-shaped frame member. Gripping pads for gripping the hooked ends of hangers are located between the lower horizontal portion of the C-shaped frame member and the jaw member. A locking arrangement operatively moves the jaw member toward the lower horizontal portion of the frame member to cause the gripping pads to grip the hanger ends and also locks the jaw member in the hanger gripping position. The locking arrangement preferably takes the form of a locking lever pivotably connected to the forward end of the jaw member. The locking lever pivots between the jaw member and the upper horizontal portion of the frame member to hold the jaw member in the locked position. To release the locked relationship the locking lever is grasped and pivoted between the jaw member and the upper horizontal portion of the frame member.

Abstract: A connector comprises two parts; namely, a keeper 10 in the form of a substantially flat plate having a slot 12 therein, and a bar 11 which locates in the slot. The keeper has a locking pin 13 which screws into a hole 14 in the keeper and engages the bar. The bar and slot are curved transversely so that pressure by the pin causes a greatly increased frictional grip between the slot and bar than would otherwise be the case if the bar and slot were flat.The connector has numerous uses such as a straight edged clamp as described in the preferred embodiment or for assembly of a kit of parts where a bar and keeper are incorporated into the respective parts to be joined.

Abstract: A portable sheet metal bending brake of enhanced clamping and bending capacity and wherein a cam-actuated clamping structure is provided. The brake includes a plurality of upstanding structural castings which are partially bifurcated to pivotally support upper clamping arms cooperable with lower, casting-mounted workpiece support and bending elements. The bifurcated castings also provide support for a cam shaft on which individual cams are fixed for clamping contact with the clamping arms. The cam clamping force exertible on each arm cam be individually adjusted through a slide plate mounted on the arm and movable to vary the precise cam-arm contact point. Thus, the brake can be assembled completely and the cam plates individually adjusted to ensure uniform clamping of the workpiece along the entire length of the brake.

Abstract: The device comprises a generally L-shaped angle plate or base plate bearing a first jaw on the shorter leg of the "L", fixing plates and a slider capable of being shifted along the base plate and bearing a second jaw. The base plate is fixed at three points to fixing plates and is adjustable with respect to the fixing plates by means of vertical adjusting screws mounted in the base plate and acting upon supports movably resting against the fixing plates. Side or lateral adjusting screws acting against a pin attached to one of the fixing plates permit the base plate to effect a limited angular displacement about a ball disposed in the region of the base plate defined by the intersection of the legs of the "L". The device permits an accurate positioning and orientation of a workpiece relative to the wire of a spark erosion machine and to the direction of this wire in its working position.

Abstract: A vice for a fishhook including a cam, a main body, a pair of jaws defining a chuck at the front ends thereof, an operating lever fixed integrally with a cam, and an adjusting screw threadedly engaged with the main body and having a forward end in abutment with the cam for adjusting the force provided by the jaws on a fishhook engaged by the vice. Each jaw has a tapered portion, and the jaws are positioned opposite one another to define a space therebetween at rear ends thereof. The cam and a portion of the main body are received in the space. The cam and operating lever are rotatable around a shaft which passes through the jaws and the cam. A spring is provided between the jaws and the main body for urging the adjusting screw into abutment with the cam. Cam surfaces formed integrally with the main body are provided for varying the distance between the abutting tapered surfaces of the chuck formed at the front end of the pair of jaws.

Abstract: A sheet bending brake comprising a plurality of C-shaped frame members that support a first member. The first member has a clamping surface. A second member is hinged to the first member and has a bending surface. A plurality of bars are pivoted to the frame members and support an anvil member that extends longitudinally of the first member. A cam support shaft is rotatably mounted on the frame members and a plurality of eccentric cams are secured on the shaft. Each bar is generally C-shaped and a cam is positioned between the upper and lower flanges thereof. A handle is secured to the shaft such that when the handle is operated, the eccentric cams are rotated to move the bars and, in turn, the anvil member into and out of clamping position. A cover is provided on each bar to enclose the cam.

Abstract: An assembly comprising a board 1 and a mechanism 17 for clamping a marginal portion of the board adjacent an edge between two opposed substantially flat parallel walls 7a. The mechanism 17 is mounted on a major surface 19 of the board 1 and includes a spring strip 21 extending longitudinally along the mechanism, and having corrugations transverse to its length. An elongate cam 27 extends along the length of the strip 21, overlying the strip, and being supported for rotation about its longitudinal axis. Rotation of the cam 27 causes expansion of the mechanism 17 in a direction normal to the surface 19, limitation of the expansion by the walls 7a leading to compression of the corrugations in the strip 21.

Abstract: A container for the storage or transportation of printed-circuit boards comprises an open-topped box with rectangular support plates inserted in vertical grooves of opposite walls. Each plate has several oblique slots, parallel to one of its diagonals, accommodating sliders by which circuit boards of widely varying sizes can be retained thereon. The sliders can be immobilized on the plate by quick-release clamps and are orientable in mutually perpendicular positions for gripping a horizontal or a vertical edge of a circuit board to be supported on four sides.

Abstract: A device for locking a workpiece in position on a working plane for a machining operation. The device includes a column to be mounted to extend perpendicularly from such a working plane, and a locking assembly slidably displaceable along the column. The locking assembly includes two gripping members positioned in opposed relationship on opposed sides of the column for each gripping member to partially embrace the column; a pressure member displaceably connected to the gripping members to extend therefrom and to be displaceable relatively thereto; and means operable by means of a single control lever to displace the two gripping members towards each other to tighten onto the column, and to cause the pressure member to swivel relatively to the gripping members for locking a workpiece in position on such a working plane.

Abstract: A rugged sturdy workpiece positioning mechanism that effectively and efficiently positions and holds at least two workpieces for further operations is provided. The mechanism includes a main support which is slidably connected to a first workpiece and a housing assembly which is affixed to the main support and extends above and engages the second workpiece. The housing assembly includes two side plates, a cam with a handle rotatably attached to the sideplates, a ratchet to lock the cam into a fixed position and a load bearing surface actuated by the cam and slidably received between the side plates. The edge of the cam abuts the load bearing member. When the cam is rotated in a predetermined direction, the distance between its axis of rotation and the load bearing member increases driving the load bearing member downward. The load bearing surface engages the workpiece and forces the second workpiece into a desired position relative to the first workpiece.

Abstract: An assembly of top and bottom plates spaced apart vertically by peripheral and intermediate spacer bars forming a shelf of freeze drying or other processing equipment, is held together on a movable base support by peripheral clamps mounted removably at selected positions on the base support. A hollow framework carriage is mounted on the base support for movement above and relative to the shelf assembly and it supports a pair of elongated, laterally spaced clamp bars for retractable movement toward and away from the base support for releasably clamping therebetween interposed portions of the shelf assembly. A laser welder then is moved relative to the clamp assembly to weld the components together in the clamped areas. Upon completion of the welding operation, the clamp bars are retracted and the framework moved over the base support and assembly to the area next to be welded, whereupon the clamp bars are extended into clamping position and the welding operation is repeated.

Abstract: An adjustable, quick-release clamp for fastening a barrier member to a base member includes a clamp support affixed to the base member and protruding therefrom, a main lever carried by the support member, with the support member extending through an aperture in the main lever, and a retainer member that holds the main lever on the support member. A first end of the main lever carries a gripper means adapted to engage the barrier member; an overcenter toggle cam is pivotally mounted on a second end of the main lever, a handle lever being attached to the cam. The cam is movable to raise and lower the first end of the main lever, with the retainer member acting as a fulcrum such that the gripper means engages or releases the barrier member in accordance with the positioning of the toggle cam. The position of the retainer member on the clamp support is adjustable to permit accommodation of variable barrier member thicknesses and to provide for adjustment of the clamping pressure.

Abstract: A fixture having a channel for accepting a user inserted knife blade, a first, floating plate for holding in place one surface of the bagel, roll or muffin to be sliced, and a second, rigid plate for bearing against the opposite surface of the bagel, roll or muffin, and positionally adjustable with respect to the channel for controlling the thickness of the resulting sliced sections.

Abstract: A fly tying device including relatively heavy resilient steel bars which are provided with a supportive means and also concave edges which face each other to space the bars for a major portion of the length thereof together with a cam to temporarily spread the free ends of the bars apart to accept the hook.

Abstract: A sheet-feed tractor includes clamp means made of two members through which a passage is provided defined partly by both members. One member is pivotably mounted on the other in such a manner that the size of the passage is reduced by pivoting of the pivotable member. Reduction of the size of the passage can clamp a support shaft received in the passage, and the clamping force tends to enhance the static friction between the members so as to keep the clamping means in clamping position.

Abstract: A clamp effort intensifier that multiplies the manual effort used for clamping vise jaws onto a workpiece through the use of a cam that actuates the vise jaws together to provide adequate clamping forces while substantially reducing the manual effort necessary to achieve a safe clamp force. The effort intensifier acts to load the vise jaw through a heavy spring which deflects as the jaws are loaded. The amount of deflection can be used to indicate the clamping force exerted on the jaws. An interlock to the machine tool used will prevent operation of the tool until the clamp force exceeds a desired level.

Abstract: A quick-release clamp particularly suitable for microtomes is disclosed. The clamp has several fingers protruding from the face of the clamp assembly to grip an object. A pivotally mounted control arm first moves the protruding fingers away from the face of the assembly and then moves them away from the center axis of the assembly to provide clearance for removal of the object. The object preferably has tabs adapted to extend under a lip portion of the fingers.

Abstract: A power saw circular blade change assist which has a horizontal base and a vertical holder extending upward from the base. A groove for receiving the saw blade is formed in the vertical holder and the base. There is a screw through one side of the vertical holder which extends into the groove and forces against a saw blade in the groove to hold it securely.

Abstract: A vise for holding a row of discrete articles between spaced front and rear vise jaws, wherein each of the front and rear jaws has an integral side jaw at one end thereof so that the two side jaws face each other across the space formed between the front and rear jaws, and the front jaw is linearly and angularly movable relative to the rear jaw in response to actuation of clamping means, to clamp a row of articles between the front and rear jaws and along the length of the row between the side jaws. The clamping means is capable of clamping the row of articles in both directions on a single movement of a control handle.

Abstract: A longitudinally extending support is secured to the table of a table saw to which a guide rail is secured. A saw fence, having a shoe secured thereto, includes a clamping arm extending therefrom. The shoe slidably engages the guide rail and may be clamped together with the fence to the guide rail. A scale is formed on the guide rail and an index is attached to the shoe and positioned to register with the scale.

Abstract: A clamp including an elongated cylindrical bar, a backup member having integral extending arm, the backup member being slidably positioned on the bar, a base member having a body portion with an opening therethrough and an integral arm extending generally parallel the backup arm, an intermediate member pivoted to the base member and extending generally parallel to it, and an actuating member pivotally received at the outer end of the base member arm and pivotal in one direction to urge the intermediate member toward the backup member so that an object positioned between the backup member and intermediate member may be clamped.

Abstract: A clamp for electrically connecting a part to be anodized to a conductive bar having a member adapted to attach to the bar and a frame disposed on said member for holding the part to be anodized. Electrical contacts within the frame are forced against the conductive bar and the part to be anodized in the clamped position.

Abstract: A module board assembly fixture capable of securing a module board in a fixed orientation in an X-Y Cartesian coordinate plane, having a quickly operated clamp capable of movement relative to a component inserter is described. The clamp is movable in both the transverse and the longitudinal directions without disorientation, and is constructed having unique module board supporting structure so that the Cartesian orientation is not disturbed by the insertion.

Abstract: The disclosure relates to a tool for installing and removing a housing which is positioned over a row of connector pairs and frictionally engaged with the rows of connector pairs, there being no integral connection between the housing and the contacts. The tool is designed to remove the housing when positioned over the contact members by utilizing a wedge on the tool which separates the contact members so that the housing can be pulled up over the contact members without rubbing thereagainst to remove any plating layers thereon. The housing is installed by the same tool wherein the housing is gripped and, upon insertion of the housing over the contact members, the wedge first spreads the contact members apart and the housing is disposed thereover without rubbing against the contact members. In the case of installation and removal of the housing member, the wedge is designed to push the contacts sufficiently far back so that they do not rest upon a preloading bar disposed within the housing.

Abstract: The present invention relates to a pipe clamping tool assembly that may be extended to an open position such that a portion of a pipe may be laid across a lower first member, after which said pipe clamping tool assembly may be folded to a closed position wherein a second member overlies the inserted pipe and is aligned directly over said lower first member, and by actuating a lever arm the second member is engaged and pressed downwardly such that said second member and said first member cooperate to squeeze and compress the pipe so as to clamp the same and effectively close the pipe and prevent fluid from passing through the clamped area.

Abstract: The invention relates to a fly-tying device which enables a fisherman to adjust the position of a clamped hook in a universal manner during the tying operation, changing its position both in an up-and-down sense and in turning it to an inverted condition, both in the same movement. The device incorporates a lockable universal joint, mounting the hook-gripping means in a clamp stand.

Abstract: A fixture for holding parts to be joined together in which a frame-like structure provides a seating surface for an assembly of parts. A cam acting lever is adjustable to exert single point pressure, and means comprised in the structure transmits such single point pressure to multiple pressure points applied uniformly in a seating or clamping of the assembly of parts to the seating surface. In the illustrative embodiment a plurality of pressure applying members is in an approximate linear orientation and functions best in connection with an assembly of parts presenting a flat pressure receiving surface.

Abstract: A clamping device adapted to be quickly and easily applied and released for securing objects together. This clamping device is especially useful in connection with removable vehicle seats such as found in van type vehicles where it is desirable that the seats be easily installed or removed. The clamping device comprises a stud member capable of being easily attached to one of the objects such as the vehicle floor and a compression lever which is engageable with the free end of the stud so as to pivot into contact with the other object as, for example, a vehicle seat leg, thereby clamping the objects together.

Abstract: A pair of work engaging jaws of a clamp device are interconnected by linkages forming part of a manually operable force multiplying mechanism. A movable work engaging element mounted by one of the jaws, is actuated by a grip lever from a retracted position into engagement with a workpiece. An over-center linkage transmits the actuating force against the resistance of a spring to prevent return of the grip lever from its actuated position. A release lever is actuated to cam the grip lever and retract the work engaging element.

Abstract: A fixture for holding parts to be joined together featuring clustered arrangements of pressure applying members. An interconnected yet independent mounting of individual pressure applying members enables a distributed pressure to be applied over a contacted area of a work surface, irrespective of whether such area is flat or curved. Single point pressure is applied uniformly to multiple pressure points. In an illustrated embodiment, clusters of pressure applying members are suspended within a generally C-shaped fixture which includes a cam lever manipulative to apply and to release pressure effects.

Abstract: A C-shaped framework includes an upright post and an outwardly projecting anvil on top of the post, the top surface of the anvil being slotted to receive the bight of a fish hook and thus orient the eye of the hook in a direction such that fly material can conveniently be attached to the hook. A tightening band includes a loop which extends over the bight of the hook and thus selectively secures a hook positioned in the anvil slot. The band is connected to a drawing stem translatably disposed in an outwardly projecting bearing block forming the bottom of the C-shaped framework. The lower end of the drawing stem projects downwardly below the bottom surface of the bearing block and has a transverse axle mounted thereon. A cam eccentrically journaled on the axle is rotated by a lever.