A pipe jack includes an outer “C”-shaped frame that is provided with two (2) inwardly-shaped tabs on each end. The tabs engage a lower surface of a head on a conventional pipe jack stand. An interior cradle is driven downward onto a surface of a pipe via a rod connected by a swivel joint. The rod passes through a nut on top of the frame and terminates with a crank handle on top.

A release device developed for an industrial machine for the bending of metal elements via a plurality of sheet-pressing tools arranged on a support frame is disclosed. The device includes a longitudinal member whereupon the sheet-pressing tools are positioned via an inclined interface. A modular coupling interface is included and situated between the wall of the machine and tightening elements, which keeps the tools locked in position. Clamping elements are set out which are suitable for locking the interface against the upper wall of the tools and which are arranged in an alternate manner in relation to a plurality of actuators. The actuators, once actuated, exert a force against the wall that is opposite to that exerted by clamping elements, and therefore allow for the horizontal displacement of the clamping elements, such a displacement making it possible for the interface to move itself vertically in such a way as to allow for the removal of the sheet-pressing tool.

A release device developed for an industrial machine for the bending of metal elements via a plurality of sheet-pressing tools arranged on a support frame is disclosed. The device includes a longitudinal member whereupon the sheet-pressing tools are positioned via an inclined interface. A modular coupling interface is included and situated between the wall of the machine and tightening elements, which keeps the tools locked in position. Clamping elements are set out which are suitable for locking the interface against the upper wall of the tools and which are arranged in an alternate manner in relation to a plurality of actuators. The actuators, once actuated, exert a force against the wall that is opposite to that exerted by clamping elements, and therefore allow for the horizontal displacement of the clamping elements, such a displacement making it possible for the interface to move itself vertically in such a way as to allow for the removal of the sheet-pressing tool.

The present disclosure relates to a cutter clamp (8, 37) that comprises a first arm part (10, 39) and a second arm part (11, 40), where the arm parts (10, 11; 39, 40) are arcuate and arranged to adjustably at least partially enclose a major part of a circumference (57, 63) having a center (58, 64). The cutter clamp (8, 37) comprises at least one hollow rod (21, 22; 48, 62) arranged for receiving a mounting rod (36) for a power cutter (1, 56) in a pivoting manner. The smaller circumference the arm parts (10, 11; 39, 40) are adjusted for, the closer to the center (58, 64) said hollow rod (21, 22; 48, 62) is moved. The present disclosure also relates to a cutter clamp attachment device (68), a cutter clamp kit and a cutter clamp holding frame (76).

The present disclosure relates to a cutter clamp (8, 37) that comprises a first arm part (10, 39) and a second arm part (11, 40), where the arm parts (10, 11; 39, 40) are arcuate and arranged to adjustably at least partially enclose a major part of a circumference (57, 63) having a center (58, 64). The cutter clamp (8, 37) comprises at least one hollow rod (21, 22; 48, 62) arranged for receiving a mounting rod (36) for a power cutter (1, 56) in a pivoting manner. The smaller circumference the arm parts (10, 11; 39, 40) are adjusted for, the closer to the center (58, 64) said hollow rod (21, 22; 48, 62) is moved. The present disclosure also relates to a cutter clamp attachment device (68), a cutter clamp kit and a cutter clamp holding frame (76).

In a clamping device (1), in particular vice, the clamping device comprising: a housing (2) which is U-shaped in cross-section and in which one or two guideways (8) extending in a linear direction are incorporated, at least one base jaw (11) which is mounted in the guideway (8) and in which an internal thread (12) is provided, and a drive spindle (9) which is rotatably mounted in the respective housing (2), is arranged parallel to the guideway (8) and is drivably coupled to the respective base jaw (11),
the threads (10) worked into the drive spindle (9), through which the torques from the crank are transmitted for the linear displacement of the base jaws (11), should be permanently encapsulated in a watertight and airtight manner irrespective of the position of the base jaws (11) or the drive spindle (9), and on the other hand the adjustment travel (Δs) of the base jaws (11) or clamping jaws (13) should be as large as possible in order to clamp workpieces with configurations that can be completely different without the need for time-consuming and complicated conversion measures. This is achieved in that a right-hand thread and a left-hand thread (10) are worked onto the drive spindle (9) in regions, in that the respective thread (10) of the drive spindle (9) is enclosed or encapsulated by a cover sleeve (21), in that the cover sleeve (21) has a right-hand thread and a left-hand internal thread (22), which are drivably coupled to the respective thread (10) of the drive spindle (9), in that a right-hand and a left-hand external thread (23), which is in engagement with the respective internal thread (12) of the base jaw (11), is worked on to the cover sleeve (21).

An output rod (20) of an electric clamping device includes: a tubular power transmission member (25) screw-connected to a decelerator (6); and an output rod main body (24) disposed radially inward of an inner peripheral surface of a cylindrical hole of the power transmission member (25) with a clearance between the output rod main body (24) and the inner peripheral surface. The output rod (20) further includes: a rotation preventing mechanism (26); a lock-side driving mechanism (27, 42), a release-side driving mechanism (28), and an output rod guide mechanism (29).

A swing clamp includes a body with a first end and second end. The body defines a bore through the first end and a cavity at the second end. The bore is in communication with the cavity. A plunger is slidably and rotatably held in the body bore. A lever is pivotally connected to the second end. A link arm pivotally connects between the plunger and the lever. A housing includes an attachment portion and a cylindrical portion. The cylindrical portion includes a bore to enable passage of the plunger. A groove is formed in an inner surface of the bore. The groove guides a pin coupled with the plunger. A clamp finger is secured on the end of the plunger. The clamp finger rotates as the plunger is moved in the bore.

A pipe chain system has a chain that is made of a plurality of chain links. Each chain link has a body. The body has a male end and a female end such that the male end matingly engages with the female end of an adjacent chain link. The body has an arcuate underside. The arcuate underside corresponds to a portion of a pipe diameter to which the chain is attached. A pin connection is provided for mating each mating engagement of the male end and the female end of the adjacent chain links such that the chain links are hingedly connected to each other.

The present disclosure relates generally to a bi-directional clamp system and method of use. More particularly, a bi-directional clamp with two clamp bars and two clamping assemblies are described herein. The clamp assemblies have a plurality of arms freely movable in response to a material load is described herein.