Abstract: A manual and two pneumatic powered versions of bending apparatus with added indicator apparatus for indicating the bending arm angle, apparatus for rotating and locking the indicator apparatus at the rotated angle and stop means for stopping the bending arm at the rotated angle are provided. After a metal element is bent the bending force is removed, and the bend angle measured to determine if the required bend angle after spring back was obtained.

Abstract: Improved slide lock apparatus used in bending apparatus to bend stock to an acute angle. A hydraulic cylinder with a ram extendable under hydraulic pressure provides the bending power. The ram automatically retracts a slide from an first outward location when hydraulic pressure is removed to a second inward location for two separate bends to achieve an acute angle bend. This improved slide lock prevents any possible injury to the operator by covering a stop arranged to prevent the slide from moving outward a greater distance then the first outward location.

Abstract: Repeatable bending angle apparatus incorporated into existing manually or pneumatically operated metal stock bending apparatus permits making a number of successive bends of metal stock having similar characteristics. A disk is rotatably mounted below the bending apparatus bending arm with its center located at the bending arm axis. The disk can be rotated and locked at any bending angle. In a first embodiment, using manual bending power, an upward extension from the disk into the bending arm path provides a stop for successive bends at identical angles. Second and third embodiments use pneumatic power. The second embodiment utilizes a spring loaded insert from the stop to give the operator an indication of where to stop the apparatus at the desired angle before the disk will be rotated by the bending arm bearing against the stop.

Abstract: Apparatus for bending stock to an acute angle. A hydraulic cylinder with a ram extendable under hydraulic pressure provides the bending power. The ram automatically retracts from an extended position when hydraulic pressure is removed. One end of an apparatus supporting arm consists of a slide bar. The slide bar end of the arm is secured to a support with the opposite end pivotably mounting a forming die and a lever. The lever pivotably mounts a forming roller. The lever carries the forming roller around the die and bend stock secured to the die around the die. A slide is slideably attached to the slide bar. The cylinder and ram are pivotably attached extending between the slide and the lever.

Abstract: Improved slide lock apparatus used in bending apparatus to bend stock to an acute angle. A hydraulic cylinder with a ram extendable under hydraulic pressure provides the bending power. The ram automatically retracts a slide from an first outward location when hydraulic pressure is removed to a second inward location for two separate bends to achieve an acute angle bend. This improved slide lock prevents any possible injury to the operator by covering a stop arranged to prevent the slide from moving outward a greater distance then the first outward location.

Abstract: Apparatus for bending stock to an acute angle. A hydraulic cylinder with a ram extendable under hydraulic pressure provides the bending power. The ram automatically retracts from an extended position when hydraulic pressure is removed. One end of an apparatus supporting arm consists of a slide bar. The slide bar end of the arm is secured to a support with the opposite end pivotably mounting a forming die and a lever. The lever pivotably mounts a forming roller. The lever carries the forming roller around the die and bend stock secured to the die around the die. A slide is slideably attached to the slide bar. The cylinder and ram are pivotably attached extending between the slide and the lever.

Abstract: Adaptor and twister apparatus, which adapts an existing bender apparatus to also twist vertically oriented metal stock, is provided. Removing the alternate function's parts avoids interaction between them. The twister has an adjustable clamp which grips the supporting pedestal, having an attached adjustable stock bottom locator. A vertical opening in the adaptor offset from the pedestal receives stock to be twisted, and pivotably mounts a lever for twisting the stock. The stock extends along the side of the pedestal through the lever, the vertical opening and the clamp. Vertical aligned holes in the clamp and the lever, which are also aligned with the vertical opening in the adaptor, are arranged to grip the stock cross-section, which results in only the stock between these parts being twisted. The location of the clamp and bottom locator can be changed to adjust the length and the location of the twisted portion.

Abstract: Adaptor and twister apparatus, which adapts an existing bender apparatus to also twist vertically oriented metal stock, is provided. Removing the alternate function's parts avoids interaction between them. The twister has an adjustable clamp which grips the supporting pedestal, having an attached adjustable stock bottom locator. A vertical opening in the adaptor offset from the pedestal receives stock to be twisted, and pivotably mounts a lever for twisting the stock. The stock extends along the side of the pedestal through the lever, the vertical opening and the clamp. Vertical aligned holes in the clamp and the lever, which are also aligned with the vertical opening in the adaptor, are arranged to grip the stock cross-section, which results in only the stock between these parts being twisted. The location of the clamp and bottom locator can be changed to adjust the length and the location of the twisted portion.

Abstract: A hand operated bending apparatus uses a lever arm which acts through a compound lever to increase the applied force. A pin, which mates with a number of holes at various distances along the compound lever linkage, permits changing the lever ratio readily. A bar extending outward from a forming die is slideably enclosed by a slide lock, which can wedge against the bar to lock the slide lock to the slide bar. The slide lock provides the pivot point for the operating lever arm to permit resetting the apparatus after a bend is made to allow bending metal stock by a number of successive steps with little time penalty.

Abstract: A hand cart particularly adapted for carrying a stack of material such as tires, barrels and the like utilizing a pair of arms activated by foot pedals to open and close the arms. The foot pedal mechanism is arranged such that the pedals will always be horizontal during the opening or closing of the arms. Two horizontal projections from the end of each arm provide horizontal support of material to be moved. The projections from the arms are scalloped to minimize friction during engagement. No adjustments for material size are required in the use of this device. The arms are arranged to have the maximum length possible to minimize the opening angle to reduce interference with adjacent stacks.

Abstract: A lock has a base with lip extensions which fit about the flange extensions of a ball hitch receptacle to cover the ball receptacle opening. The base is secured by a spring loaded latch having a ramp-shaped upper surface which is forced downward by a flange of the ball receptacle bearing against the ramp when the lock is installed to spring upward within the receptacle when the latch clears the flange where it opposes the removal of the receptacle. The latch also extends downward through a slot in the base part which has a downward projection where the latch is pivotably connected. A hole in the downward extension of the latch can receive the shackle of a padlock to secure the latch fixed to the base projection which holds the upward latch extension within the ball connector to prevent the removal of the lock from the connector. The lock is removed by first removing the padlock and then by pulling the latch downward by its downward extension while simultaneously sliding the lock clear of the ball connector.

Abstract: Two hooks are pivotably mounted between two pair of vertically oriented pivotable spreader arms arranged such that the hooks can engage and spread a tire supported on two rollers between the hooks. The rollers are mounted on a plate supported by two vertical spaced channels held by a base. The arms are all pivotably connected by linkages to a carriage which moves on bearings through the vertical channels. Two of the opposing linkages, one from each side of the carriage, extend beyond the spreader arms and are bent first inward towards each other and then parallel to each other to accept a handle. The opposing pairs of spreader arms are urged toward each other by springs. The linkages are arranged such that moving the handle upward will cause the hooks to approach each other while moving the handle downward will cause the hooks to move apart to spread a tire mounted upon the rollers a predetermined distance.

Abstract: A lock apparatus comprising two parts which are secured together through the ring of a trailer hitch tongue to prevent the unauthorized use of the trailer. The two parts comprise mating first male and first female cylinders attached to first and second circular plates respectively, and a second male member externally threaded cylinder, mounted co-axially within the first female cylinder also attached to the second plate. The interior of the first male cylinder is threaded to provide a second female threaded surface to mate with the second threaded male cylinder. The first unthreaded female cylinder attached to the second plate has a number of slots parallel to its axis about its periphery. A pivotable bar is mounted flush within a slot in the outer surface of the first male internally threaded cylinder. The bar can be rotated by a cam attached to a conventional key operated cylinder lock, to positions within the slot or extending outwardly therefrom.