Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7347100 | Force detection device A force detection device of the present invention includes a handle to be given an operation force by an operator, disposed on a support reciprocatably in a first axis direction along a forward/backward direction of the truck and a second axis direction orthogonal t... | 03/25/2008 |
| 7341419 | Mechanism for securing a tilt frame of a hook lift hoist to a truck frame A locking mechanism for locking a tilt frame of a hoist to a vehicle frame comprises a semi-annular ring connected in axial alignment to the hub of a hoist lift arm. The ring is adapted to receive a pin connected to the vehicle frame. An opening is formed in the rin... | 03/11/2008 |
| 7316165 | Force detection device A force detection device of the present invention is for detecting an operation force of an operator applied in a uniaxial direction, and includes a force receiving part for receiving the operation force, a force detection part placed on a support for detecting the ... | 01/08/2008 |
| 7273216 | Welding tank cart system A welding tank cart system for providing efficient transportation of welding tanks and welding supplies. The welding tank cart system includes a frame, a pair of side wheels, a wheel support connected to the frame, and a front wheel connected to the wheel support, w... | 09/25/2007 |
| 7210691 | Painting accessory cart An accessory cart that is adapted to hold any one of a plurality of conventional buckets. The cart includes a base and a handle that is releasably secured to the base. The base includes a stand portion and a frame portion. The stand portion includes a lower end that... | 05/01/2007 |
| 7178695 | Dispenser for a liquid or semi-solid material A dispenser for depositing at least one of lines and stripes of at least one material, comprising a trolley having front and back wheels and securing at least one container on a platform thereof, the trolley being movable between an in-use position, wherein the trol... | 02/20/2007 |
| 6953200 | Cart for cryogenic liquid cylinder A cart is provided for safely transporting and storing a single, large, vertically-oriented, cylindrically-shaped canister having a horizontally-oriented base. The vertical and horizontal orientations of the canister and its base, respectively, are constantly mainta... | 10/11/2005 |
| 6929443 | Lifting and telescoping dolly A lifting and telescoping dolly for facilitating the moving of bulky objects into and out of attics by one operator acting alone. The collapsible dolly opens into a self-supporting A-frame with four support points. It has wheels and a brake system for positioning th... | 08/16/2005 |
| 6921095 | Hand trolley with winch operated lifting carriage A hand trolley includes a chassis formed from side frames comprising parallel frame members, wheels and a base platform provided with a load lifting carriage having a lifting surface. The carriage can be raised from a low position on the base platform to an elevated... | 07/26/2005 |
| 6799769 | Welding cylinder dolly A wheeled hand dolly for loading, unloading, and transporting cylindrical objects from one location to another including a pair of vertical support members cooperating to form a forwardly facing contact area and joined by a cross member having a recessed portion. An... | 10/05/2004 |
| 6561745 | Hand truck for transporting floor sander A wheeled dolly for transporting and/or storing a floor sander to maintain the rubber tired wheels of the sander in a no load state and thereby preventing flat spots from forming in the tires resulting in variations in the depth of sanding process. Also d... | 05/13/2003 |
| 6554300 | Welding cylinder dolly A wheeled hand dolly for loading, unloading, and transporting cylindrical objects from one location to another including a pair of vertical support members cooperating to form a forwardly facing contact area and joined by a cross member having a recessed ... | 04/29/2003 |
| 6406248 | Apparatus for lifting and moving an upright cylindrical container A work load lifting and moving apparatus is formed by a wheel supported horizontal main frame in turn supporting a mast assembly having a vertically reciprocal lifting frame gripping and lifting the work load by a hoist supported by the mast assembly. Oth... | 06/18/2002 |
| 6086310 | Wheeled multipurpose keg handler A four-wheeled multipurpose handtruck is especially adapted to transport a cylindrical object such as a beer keg. A cradle-like frame nests the beer keg and a metal collar secures the keg to the frame. The handtruck employs a curved frame construction whi... | 07/11/2000 |
| 5984612 | Tank lifting device A lifting device for lifting cylindrical tanks of the type used by welders is disclosed. The lifting device comprises an elongated lifting arm having a bracket pivotally secured to a midpoint of the arm. Both ends of a chain are secured to the bracket and... | 11/16/1999 |
| 5944474 | Support for a cylindrical container A support for a cylindrical container adapted to engage said container at its mid-section and containing a rapid connect and disconnect flexible member adapted to pull together two hinged semi-circular members to permit the container to be firmly held in ... | 08/31/1999 |
| 5678976 | Hand truck for moving large drums A pair of rigid, spaced apart arms (30,31)extend outwardly to one side from the upper end of an upright, tiltable frame 20 and a pair of spaced apart wheels 40 extend outwardly to the one side from the lower end of the upright frame for transportably supp... | 10/21/1997 |
| 5658118 | Cylinder transporter A transporter for elongated compressed gas cylinders comprising an elongated load bearing beam supported in an upright inclining position by a pair of rotatably attached wheels and a supplemental support, the support also mounting a wheel which pivots abo... | 08/19/1997 |
| 5431422 | Tank truck A hand truck for transporting compressed air tanks. The hand truck has the capacity to carry one, two or three tanks at one time. During transport, the tanks are held in place by a plastic spring clip. The tank truck folds to a compact size to facilitate ... | 07/11/1995 |
| 4536123 | Hand truck apparatus for elevating and transporting an object The present invention relates to a hand truck apparatus which is designed for transporting large cylindrical objects such as compressed gas storage tanks, for example. The hand truck apparatus includes a main frame assembly supported by a pair of spaced a... | 08/20/1985 |
| 4294481 | Gas cylinder carrier A welding cylinder truck adopted to hold one large tank on one side and, on the other side, either one similarly sized or intermediate sized tank of another gas or a pair of small tanks. The carrier of the invention, by virtue of this design, is more vers... | 10/13/1981 |
| 4205937 | Carrier for compressed gas cylinders A carrier for one or more compressed gas cylinders each having a portion, the under side of which is arranged to receive a supporting hook, the carrier having a frame approximating the height of the cylinder and including a hook near its upper end, the fr... | 06/03/1980 |
| 4034878 | Electric hand trucks A hand truck having elongated telescoping frame means for raising and lowering the load bearing flanged bed which is secured to the base portion and extends forwardly of the frame means. A pair of support wheels are mounted on opposite ends of an axle sha... | 07/12/1977 |
| 4018468 | Lifting ring for plastic drums A ring is mounted, in horizontally surrounding relation, on a plastic drum adjacent but short of the upper end thereof; the ring being fixed on the drum, and structurally designed to provide an annular lip extending coaxially about the drum in radially ou... | 04/19/1977 |
