Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7381301 | Device and working method for automatically changing the work rolls, the back-up rolls and the intermediate rolls of a single-stand or multiple-stand strip mill A roll changing carriage can be displaced transversely with respect to the strip rolling stand and a removal crossbar is provided for the removal of the set of backup rolls. In order to shorten the roll changing times and to automate the changing of the rolls, the r... | 06/03/2008 |
| 7175578 | Rotary die cutter with rectilinear split die cylinder translation A rotary die cutter having an anvil cylinder that is operable alternately with one of a pair of die cylinders includes a vertical support and rectilinear translation arrangement that permits selective repositioning of each of the die cylinders between an operative p... | 02/13/2007 |
| 7168280 | Roll-changing tool Roll-changing tool having a dismantling device which can be supported on a rolling machine by a hook and which, on a carrier, has a lifting device mounting and a roll holder for a roll journal of a roll, the carrier having a trolley which can be moved in its longitu... | 01/30/2007 |
| 6726435 | Lift for a personal mobility vehicle or wheelchair A personal mobility vehicle lift for a vehicle having a door opening and a floor. The personal mobility vehicle lift includes a platform for supporting a personal mobility vehicle (PMV) thereatop. An upright preferably telescoping lift mechanism raises and lowers th... | 04/27/2004 |
| 6126379 | Apparatus for lifting appliances within the interior of a vehicle The present disclosure relates to an apparatus for moving appliances that includes a vehicle having a cargo area with a front region and a back region. The vehicle also includes a door for accessing the cargo area. A track is mounted within the vehicle. T... | 10/03/2000 |
| 6056022 | Device for changing the harness of a loom The invention relates to a device for changing the harness of a loom. It has two bearing columns (16) arranged on a chassis, two jibs (18) which can move vertically on the columns and horizontally extendible and a device (26) o the jibs (18) to transfer h... | 05/02/2000 |
| 6030168 | Lifting device A lifting device constructed as a frame or gantry vehicle which is supported on four movable vertical supports. The gantry vehicle further comprises a crane trolley which is horizontally movable along a frame on a plurality of rails. Two vertically arrang... | 02/29/2000 |
| 5657794 | Carriage for changing the harness or heald frame in a loom A carriage for changing a harness or heald frame on a loom has a frame with a device for offering up the warp beam, a framework which includes a carrier mounted on the frame, and devices mounted on the carrier for offering up the warp stop motions and the... | 08/19/1997 |
| 5645395 | Building crane apparatus climbable on building walls A building crane apparatus includes: a gantry crane slidably held on a pair of guiding rails longitudinally juxtapositionally mounted on two side walls of a building, and an elevating device secured on the building side walls for lifting the gantry crane ... | 07/08/1997 |
| 5445282 | Transport means for transporting pieces three-dimensionally A transport means for transporting pieces three-dimensionally, wherein the sections belonging to a section pair (11, 12, 41, 42) are box-like; a traction member (141, 142 ; 161, 16 | 08/29/1995 |
| 5391042 | Truck for carrying goods A truck for unloading goods includes a lower supporting member carried by the truck frame. The support member together with its side walls may be moved forward and backward by a screw driven mechanism. The doors to open the side walls open in response to ... | 02/21/1995 |
| 5372469 | Parcel cart for coil-shaped objects A mobile cart for moving coil-shaped objects has a wheel-mounted horizontal base which supports an upwardly extending mast provided with a guideway along which a first support element is controllably movable up and down in a vertical direction above the b... | 12/13/1994 |
| 5219150 | Fluid jack for a heat exchanger A heat exchanger has a duct with a tube assembly supported by a hanger that extends through an opening in the roof of the duct. A jack is provided to raise and lower the tube assembly during maintenance. The jack includes a base with an aperture therethro... | 06/15/1993 |
| 4720231 | Transfer device A transfer device is disclosed for moving objects that are supported on a shaft from a receiving station to a transfer station. The shafts are disposed in adjacent substantially parallel relationship. A track extends from the receiving station to the tran... | 01/19/1988 |
| 4690609 | Truck loading apparatus A beverage truck having unique unloading and loading apparatus. The apparatus, which may be mounted to an existing beverage truck, or built into one as original equipment, has a framework at the front and back of the truck body which supports a track that... | 09/01/1987 |
| 4524873 | Method and apparatus for disassembling sectional boom of tower crane at terminal heights An apparatus for the safe, cost-efficient disassembling of a sectionalized tower crane boom is provided that enables disassembling of the boom while the boom is at terminal heights. The disassembling apparatus includes a working platform that may be detac... | 06/25/1985 |
| 4251180 | Roll-changing apparatus A travelling gantry is used for exchanging the working rolls of roll stands. A carriage is mounted on a cross member of the gantry and a roll extraction device with roll receiving rotatable sleeves therein is suspended from the carriage in a vertically ad... | 02/17/1981 |
| 4099634 | Combined motor puller and stand A combined motor puller and stand having a forked leg base, on rollers. A vertical column is hydraulically adjustable in height and the top of this column has a horizontal arm, with a roller carriage within the arm. Midway along the vertical column there ... | 07/11/1978 |
| 4079844 | Automated system for loading wood grinders An automated system is disclosed for continuously feeding a supply a logs to the log holding magazines of one or more wood grinders on demand. A conveyor system conveys logs to a log holder which receives and forms a series of logs into a shaped charge. T... | 03/21/1978 |
| 4068827 | Portable hoist A portable hoist consisting essentially of three major components readily assembled and disassembled at the job site in a relatively short period of time to facilitate portability. The three basic components include a generally horizontally disposed main ... | 01/17/1978 |
| 4058224 | Traversing and vertically swinging strongback An illustrative embodiment of the invention discloses a technique for disassembling a nuclear reactor fuel element without destroying the individual fuel pins and other structural components from which the element is assembled. A traveling bridge and trol... | 11/15/1977 |
| 4054014 | Methods of erecting prefabricated buildings and equipment employed in such methods A method of assembling from relatively large and bulky prefabricated building sections, the size being compatible with transportation by transport vehicles on highways, a multistory building by positioning a plurality of the sections side by side to make ... | 10/18/1977 |
| 3976210 | Anti-tipping log skidder A log skidder has a pair of upper and lower rollers mounted rearwardly of a towing winch to receive a cable therefrom. In normal operation, the cable is solely guided over the upper roller whereas during the ascent of a steep grade, for example, the cable... | 08/24/1976 |
