Abstract: A screw device for imposing spreading forces on opposing surfaces, having a pin adjustable length and employing a rod member having a groove in the end for engaging the pin.

Abstract: A knee brace bracket for use in a knee bracing system for tilt-up panel constructions. The knee brace bracket includes front and rear face members defining circular structures for extending around a main pipe brace which extends between a panel and a floor slab. The knee brace bracket is rigidly connected to a knee brace extending to a connection point on the panel. The knee brace bracket includes a plurality of rollers engaged with the main pipe brace whereby the main pipe brace is permitted to rotate within the knee brace bracket to permit a screw adjustment for the length of the main pipe brace.

Abstract: A post plumbing device has a pair of brackets connected by a threaded rod. Each bracket has a base having a selected length, a top, a bottom and four sides extending between the bottom and the top. A top flange is attached to the top and has a threaded bore passing through the flange, along an axis substantially parallel to the base. One bracket has a shorter side flange extending from a portion of one side of the base away from and substantially perpendicular to the bottom. A plurality of holes are provided in each base and the side flange to receive nails or screws. A threaded rod having a handle at its midpoint is threaded into the threaded bore of each of the brackets.

Abstract: A lifting and supporting apparatus having a vertically oriented robe interconnected to a smaller, vertically oriented rod by a lifting device. A large bracket or the like is secured to the robe so as to provide a surface upon which an object can rest. The lifting device provides a means by which to move the rod downwardly with respect to the tube, thus allowing both the tube and the object to be easily raised and supported above the ground upon which the rod rests.

Abstract: A post plumbing device has a pair of brackets connected by a threaded rod. Each bracket has a base having a selected length, a top, a bottom and four sides extending between the bottom and the top. A shorter side flange extends from a portion of one side of the base away from and substantially perpendicular to the bottom. A top flange is attached to the top and has a threaded bore passing through the flange, along an axis substantially parallel to the base. A plurality of holes are provided in the base and the side flange to receive nails or screws. A threaded rod having a handle at its midpoint is threaded into the threaded bore of each of the brackets.

Abstract: A lock is provided for the slideout box of a travel trailer which consists of an extensible lead screw locking member which is placed on top the slideout box when in its inner position to apply a firm inward force keeping the box pressed inwardly of the trailer with consequent compression of the sealing gasket around the outer face of the slideout box.

Abstract: The disclosed invention is a portable, temporary support structure (10) in the form of a kit for support of an overhead building joist. The kit is based upon an elongated base support member (12) formed from a hollow pipe which is welded to a base plate (14) at one end with a square threaded sleeve nut (18) coupled to the remaining free end. A one piece engagement jack screw (24) is disposed within the sleeve nut (18) having correlating square threads. In the middle of the engagement jack screw (24) is provided a location for insertion of jack handle (40) allowing the operator to rotate the jack screw (24) while standing in an upright position. A top portion of the engagement jack screw creates an alignment neck for placing a symmetrical upper support member (30) having an elongated length. A self-aligning channel (34) is provided for placement on the free end of the upper support member (30) for contacting the joist to be supported.

Abstract: A load bar (10) comprises a hollow main body (11) having a first and a second open end (21, 22). A first arm (12) is received through the first open end (21) of the main body (11), and is laterally movable therein. A second arm (13) is received through the second open end (22) of the main body and is also laterally movable therein. The positions of the first arm (12) and the second arm (13) with respect to the main body (11) and with respect to each other are releasably securable and adjustable. Also, a bulkhead is provided comprising a load bar (10) as above, and further comprising a header wall (80).

Abstract: A mining equipment extraction device (1), comprising:a base member (4);an arm (6), pivotally connected at a first end (5) thereof to said base member (4), and adapted to engage a mine roof at a second end (12) thereof, said arm (6) being adjustable in length and/or angular position;a rack (13), having a first end which is adapted to be connected to the mining equipment to be extracted from the mine;a moving mechanism (17) operatively connected via pistons (20) to said base member (4) and adapted to be engaged via a pawl (16) with said rack (13), such that, said moving mechanism (17) may be operated to move said rack (13) relative to said base member (4) and consequently move said mining equipment.

Abstract: A jack for insertion through a hole in a sheetrock wall for use in repairing such hole with the jack becoming a structural member of such wall.

Abstract: A jack for supporting a ceiling beam is provided and consists of a pair of vertical sliding support members operated by a winch mechanism with cable which allows one person to set the beam. The jack will lift heavy loads eliminating the need for a crane and more manpower. In a modification the winch handle can be operated by a foot lever on base of the jack.

Abstract: A method and apparatus for lifting and temporarily supporting an evaporator coil cabinet. The apparatus is place on opposite sides of the cabinet and includes a leg member in telescopic engagement with a threaded shaft. The shaft has a platform on one end thereof which is placed beneath an edge of the cabinet. A hand nut in threaded engagement with the shaft rests atop a shoulder on the leg member. As the hand nut is rotated, the shaft and platform are urged upward, thereby lifting and supporting the cabinet.

Abstract: A jack post includes two telescopic square section tubes. Narrow top and bottom plates are provided for the post, the plates being of a size for insertion within one of the tubes, and a cross pin is provided for insertion transversely through selected bores in the telescoped tubes.

Abstract: A pier for foundation leveling includes first and second end plates. The first end plate has apertures formed therethrough and pipe sections extending from the apertures toward the second end plate. The second end plate has a plurality of pipe sections each aligned with one of the pipe sections of the first end plate. A plurality of bolts are secured to the first end plate and extend through the apertures and pipe sections thereof into the pipe sections of the second end plate. A plurality of nuts are threadedly engaged with the bolts and function to position the second end plate with respect to the first end plate.

Abstract: An elongatable telescoping support, e.g. for use as a vehicle jack, comprises an outer prismatic tubular support and an inner prismatic tubular support telescopingly received in the outer support. A head is formed at the mouth of the outer support bar and has a guide surface inclined toward the outer support bar upon which a guide roller is shiftable. The guide roller is formed with a profiled portion adapted to grip a running surface of the inner support bar upon rotation of the guide roller to displace the inner bar out of the outer bar. According to the invention, rings at the end of the roller are received in the inclined windows which are formed in opposite walls of the prismatic head and a guide element is pivoted on this head and is urged, e.g. by a spring, in a direction tending to bias the roller inwardly and toward the outer support or bar.

Abstract: An extensible cargo brace for extending between and maintaining firm contact with opposite walls of a cargo vehicle. A pair of spaced inner rails is slidably, telescopically mounted within a pair of spaced outer rails with a plurality of rungs extending transversely between the rails of each pair. Tension springs are mounted within the outer rails and engageable with the inner rails normally biasing the inner rails into retracted position within the outer rails. A detent rack bar extends between adjacent rungs of the inner and outer rails and is fixed with respect to one pair of the rails and movable with respect to the other pair of rails. Lever actuated ratchet means is mounted on the other pair of rails and engages the detent rack for positively expanding the rails outwardly into engagement with the vehicle walls when a directional control toggle of the lever-ratchet means is in an advance position.