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| Number | Title | Issue Date |
| 4076217 | Apparatus for lifting a manhole cover An apparatus is disclosed for lifting a manhole cover which comprises; (1) a means for engaging the manhole cover which cooperates with a lever means for raising and lowering the cover, and (2) a pivot means which also cooperates with the lever means to p... | 02/28/1978 |
| 4068825 | Double parallelogram jack A load-bearing plate is mounted by a plurality of pivotal links above a base plate, and solely for vertical movement toward and away from the base plate. An intermediate frame including two, spaced, parallel side bars is supported by the links between the... | 01/17/1978 |
| 4066250 | Ski clamping apparatus A ski clamping apparatus for holding one or a pair of snow skis while sharpening and waxing the skis. A pair of identical clamps are mounted on a support, such as on a top of a desk or a cabinet, with the clamps spaced apart for supporting the ski or skis... | 01/03/1978 |
| 4061308 | Spring manipulating device A unitized spring manipulating device employs spaced relatively movable spring coil engaging frames of channel cross section which surround the coil spring on three sides. Hinged safety retainer bars on the frames close their normally open sides during us... | 12/06/1977 |
| 4057938 | Portable sand blasting device A portable sand blasting device comprising a housing adapted to be held and manipulated manually and to support an electric motor having a rotatable output shaft. An impeller is mounted on the motor output shaft and has an inlet opening communicating with... | 11/15/1977 |
| 4053097 | Arrangement for placing and maintaining reinforcing members in predetermined relationship relative to a weldment component Support means have connected therewith a plurality of spaced members which guide and maintain reinforcing members in position as they are welded to a weldment component. Means are associated with the support means for simultaneously moving the spaced memb... | 10/11/1977 |
| 4053138 | Method of lifting or lowering an object by means of a plurality of so-called climbing jacks A method of lifting or lowering of an object by means of a plurality of climbing jacks capable to climb each along a climb rod. The method comprises the steps of staying the rods slidably by means of associated support structures, arranging each rod on a ... | 10/11/1977 |
| 4052045 | Alignment of flanges Disclosed is an apparatus for aligning flanges (e.g., to facilitate the proper coupling of the flanges). The apparatus is designed for use with flanges having matched patterns of holes therethrough for receiving coupling members (e.g., bolt and nut pairs)... | 10/04/1977 |
| 4050673 | Two-masted lifting apparatus A two-masted lifting apparatus particularly adapted to lift a weighty object such as a vehicle or the like to a desired height and then incline it at a desired angle in either direction. The two-masted lifting apparatus comprises two opposing upright mast... | 09/27/1977 |
| 4050672 | Trapezoidal lifter A trapezoidal, open-ended lifting and moving cart having an upper and lower frame pivotably joined together. Upright support members are positioned on the upper frame and locking mechanism and a handle mechanism are connected to the lower frame. The handl... | 09/27/1977 |
| 4050685 | Disassemblable ski clamping apparatus A portable ski clamping apparatus is described for rigidly supporting a ski for maintenance and repairs. The apparatus includes a base from which a ski is to be supported, a clamp projecting centrally from the base adapted to grip a ski by its side edges ... | 09/27/1977 |
| 4049118 | Holding device for electrical and electronic parts A holding device for holding a plurality of electrical and electronic parts or elements. The holding device of paper or similar resilient material includes a base of tape-like configuration and a plurality of holding portions formed in the longitudinal di... | 09/20/1977 |
| 4049252 | Index table An index table comprising a base, a table mounted about an axis for rotation on the base and means for indexing said table to bring successive stations of the table into predetermined positions. Spaced locating plates are fixed on said table at circumfere... | 09/20/1977 |
| 4049254 | Supporting and positioning plate assembly for spectacle frames A positioning and retaining plate assembly for the controlled location of a spectacle frame comprises three superposed plates slidably mounted in relation to each other. The upper plate, or tray, includes fastening means for a spectacle frame, and is slid... | 09/20/1977 |
| 4048758 | Sand-blasting machine for castings A machine for blasting workpieces (castings) comprises an arcuate cabin with successive working stations within it. Two conveying systems are provided -- a central turntable with workpiece carriers which are rotatable about horizontal axes and extend into... | 09/20/1977 |
| 4049236 | Tool for removing staples A tool for removing U-shaped wire staples has a handle and an elongated rod-like tool which has a pointed lower part for positioning adjacent the bridge of a staple with embedded legs, a horizontal slot above the pointed end for receiving the bridge of th... | 09/20/1977 |
| 4047699 | Apparatus for lowering a trailer to the ground A trailer incorporating the features of the subject invention has a wheel assembly near the trailing end and a scissors-type lift mechanism near the leading end, with a fulcrum support intermediate the wheel assembly and lift mechanism. The method of lowe... | 09/13/1977 |
| 4046354 | Apparatus for positioning and supporting a machine A jack comprising a cylinder and piston defining an expansible chamber having opposed cylinder and piston faces and being adapted to receive a pressurized, hardenable liquid, such as an epoxy resin mixed with a suitable hardener or catalyst, for relative ... | 09/06/1977 |
| 4046363 | Pipe clamping tool assembly 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 ... | 09/06/1977 |
| 4046365 | Stirrup guard for medical examinations In medical examinations, a stirrup guard has been devised for foot supports on an examining table which will serve as a cushioned, protective covering over a foot stirrup and the like in order to provide a firm, but flexible means of support and bracing f... | 09/06/1977 |
| 4045078 | Tilting therapeutic table Table is moved from a near-vertical position to a horizontal position by a screw-type jack driven by an electric motor swingably mounted on a base member by a plate which also carries the jack assembly. The table includes an adjustable spreadable head res... | 08/30/1977 |
| 4045000 | Rack jack A rack jack for hoisting, lowering and/or supporting containers, cabins, shelters, exchangeable superstructures or the like, with the corner fitting whereof pinlike engaging parts of two arms cooperate, the arms presenting respectively two supporting rods... | 08/30/1977 |
| 4044999 | Camper jack A jack system for a vehicle mounted camper including a first pair of jacks secured to the lower front corners of the camper and a second pair of jacks secured to the rearward end of the camper. The front jacks are adapted to be lowered into ground engagem... | 08/30/1977 |
| 4045011 | Armboard A generally planar support member is detachably securable to a medical table and has an upper surface for receiving the arm of a patient thereon. Brace means depending from the support member abut the table to stabilize the support member in a generally h... | 08/30/1977 |
| 4043537 | Apparatus for installing pull lines in conduit An apparatus and method for installing pull lines in conduits and retrieving the installed pull lines with an attached electrical cable through the conduit is disclosed. The apparatus provides a single structure which both installs the pull line and retri... | 08/23/1977 |
| 4043536 | Door dolly and jack A rollable jack for positioning a door in lateral and vertical alignment for hanging on hinges while leaving the hands free to perform the hanging operation, the jack including an elongated handle, a bracket attached to the handle for supporting the door,... | 08/23/1977 |
| 4043497 | Friction welding machine In a friction welding machine a shear tool is provided for shearing flash off the welded workpieces at the weld zone which tool is interposable between one workpiece holder and the flash only after the workpiece holder and the flash have been relatively m... | 08/23/1977 |
| 4043547 | Precision machine vise A precision machine vise having fixed and movable jaws, the movable jaw being actuated by a traveling nut having a lug which extends into a recess formed in the movable jaw. The lug and movable jaw having opposed force-transmitting surfaces which are angl... | 08/23/1977 |
| 4044093 | Flat chord truss jig assembly The flat chord truss jig assembly includes a jig pad carrying two pairs of laterally spaced elongated guide bars. Releasable clamps are provided along the opposite outer edges of the pad and engageable with the outermost pair of bars. The innermost pair o... | 08/23/1977 |
| 4042210 | Adjustable leverage pry bar An adjustable leverage pry tool having a lever including a handle portion and a pry portion connected to the handle portion and in the form of an arcuate plate provided with a claw. Mounted on the pry portion is a fulcrum member which is movable along the... | 08/16/1977 |
| 4042211 | Portable device for stretching and installing carpet A portable device for stretching carpet and the like for installation over a floor surface comprises a cylinder carried by a handle member having a spring biased piston slideably carried therein, a piston rod connected to the piston extends through one en... | 08/16/1977 |
| 4042231 | Pipe clamping device A device for clamping into engagement with the inside of a pipe comprising central shaft, rotatable actuator members axially spaced on the shaft and journalled thereon, piston and cylinder type of hydraulic motors coupled to the axially spaced actuators f... | 08/16/1977 |
| 4042232 | Extremity holder for mounting on an operating table An extremity holder for mounting on an operating table. The holder provides means for supporting a sling attached to a patient during the preparation for surgery and during the operation. The holder can be adjusted both vertically, horizontally and pivote... | 08/16/1977 |
| 4042209 | Nail-extracting apparatus An apparatus is disclosed for removing fasteners, such as nails and the like. The apparatus includes a pair of pivotally attached levers each having handles at one end, while the opposite ends are provided with support members and claws which, respectivel... | 08/16/1977 |
| 4042208 | Automobile bumper and door lifting and positioning assembly Disclosed herein is an apparatus for lifting and supporting automotive bumpers and doors for installation. The apparatus includes an upright support member which is carried by a wheel base portion, a lifting lever which is pivotally mounted on the support... | 08/16/1977 |
| 4040601 | Fence post remover A device for the extraction of metal fence posts having a T-shaped cross-section. The device is designed so as to engage the lugs located on the face of the fence post so that an upward application of force on the device will dislodge the fence post.... | 08/09/1977 |
| 4040613 | Vise construction A vise construction is formed by a fixed body which is to be mounted to a support surface. The fixed body has a slide passage formed therein to receive a guide member or chill bar and a threaded passage is also formed therein to receive the clamping screw... | 08/09/1977 |
| 4039140 | Nail extractor A tool for removing nails in the form of a bar curved to form a fulcrum at its working end, which terminates as a short first forked claw. A second forked claw of intermediate length is fixed at a second distance from the fulcrum and a long third fork cla... | 08/02/1977 |
| 4039141 | Grounding accessory for a bundle conductor stringing block A grounding accessory for detachable assembly to a bundle conductor stringing block and having an independently supported grounding roller resiliently biased against a respective bundle conductor despite different sag conditions while the bundle conductor... | 08/02/1977 |
| 4039115 | Apparatus for obtaining abutting contact of hollow tank courses to be circumferentially welded Circumferentially spaced jacks for clamping and supporting a pair of tank sections in end-to-end relationship during welding include spring biased gripping members mounted on at least some of the tank engaging ends of the jacks which initially grip the su... | 08/02/1977 |
