Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7350799 | Coupling device for a handling trolley A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar ( | 04/01/2008 |
| 7299900 | Braking device for an industrial truck A braking device for an industrial truck, comprising a hydraulic brake cylinder which is coupled to an actuating element and is connected with at least one hydraulic brake associated with a wheel of the industrial truck via a brake line wherein another hydraulic bra... | 11/27/2007 |
| 7255206 | Shopping cart brake Shopping cart brakes slow or render a shopping cart immobile. A brake lever has one end pivotably connected to a clamp that is attached to one end of a vertical member of a shopping cart adjacent to its handle. Two brake cables are enclosed by brake cable housings a... | 08/14/2007 |
| 7222874 | Rear wheel synchronous brake system for pushcart A rear wheel synchronous brake system used in a pushcart such as a baby jogging stroller is disclosed to include two rear brakes respectively coupled to the two rear wheels of the baby jogging stroller, a hand control unit mounted on the handle of the baby jogging s... | 05/29/2007 |
| 7219906 | Height-adjustable cordless brake The present invention relates to a cordless braking system for a mobility-aiding device, such as a wheeled walker (a rollator) or a transport chair. The cordless braking system includes a brake actuating linkage, disposed inside the leg and handlebar members of the ... | 05/22/2007 |
| 7216877 | Non-powered transportable cart and brake system therefor A brake system operable to inhibit movement of a non-powered transportable cart. The cart has a platform with opposite front and rear ends, at least one pivotal caster wheel adjacent and supporting one of the front or rear ends, and a pair of fixed wheels. The brake... | 05/15/2007 |
| 7194929 | Pole for hand pallet truck A pole for a hand pallet truck that includes a pole bar which is linked to a support for a steerable wheel at its lower end and connected to a loop-shaped handle at the other end. An operating device is disposed within the space defined by the handle. The operating ... | 03/27/2007 |
| 7188845 | Combined wagon and associated brake assembly A wagon and brake assembly includes a wagon including a platform having a top surface, a handle section attached to a proximal platform end, and sides protruding upwardly from the platform. The platform is provided with a bore that is intercalated between the platfo... | 03/13/2007 |
| 7159821 | Integrated transport system for overhead stowage One advantageous embodiment of the present invention is an integrated transport system (14) for moving an object (20) in an aircraft (10) between a main cabin (16) and an overhead cabin (18) via a shaft (24) in connection th... | 01/09/2007 |
| 7021432 | Park brake linkage A park brake linkage includes a pivotable park brake actuating handle, a park brake bell crank rotatably mounted on a cross shaft, an arm extending radially from the park brake bell crank, and a single connector between the handle and the firs arm to transmit pivoti... | 04/04/2006 |
| 6971608 | Integrated transport system and method for overhead stowage and retrieval One advantageous embodiment of the present invention is an integrated transport system (14) for moving an object (20) in an aircraft (10) between a main cabin (16) and an overhead cabin (18) via a shaft (24) in connection th... | 12/06/2005 |
| 6508479 | Wagon with wheel braking device A wagon includes a cart body having front and rear wheel units mounted on a bottom side. A steering rod is connected pivotally to a pivot seat that is connected to the front wheel unit. A wheel braking device includes a transmission unit interconnecting t... | 01/21/2003 |
| 6283484 | Braking device A brake system for a wheeled walker frame having two walker frame legs with two telescopically adjustable frame tubes, of which one frame tube supports in its upper region a handle and a brake lever and the other is provided in its lower region with a bra... | 09/04/2001 |
| 5634532 | Brake system for traveling container The braking system for movable container or trolley (1) is formed from three different, separate modules, namely in each case one brake module (20) on each brakeable wheel, at least one pedal module (30) and a connecting and transmission module (40) with ... | 06/03/1997 |
| 5531295 | Parking brake for hand truck Lever-mounted brake pads are applicable to two non-swiveling wheels at the rear of a hand truck. The pads are normally spaced away from the wheel treads by return springs. A foot pedal at the front of the truck is operable between two positions, one of th... | 07/02/1996 |
| 5449184 | Snowmobile dolly with anti-kickback control A combination of a snowmobile with its carrying dolly in which the dolly is provided with a leg-like mechanism engageable with the propulsion track of the snowmobile as the snowmobile is loaded onto or unloaded from the dolly. This engagement causes the l... | 09/12/1995 |
| 5244062 | Wheel and brake device for means of transportation In a wheel and brake device for a transportation vehicle with pivotal wheels, a particularly simple brake operation may be achieved by placing a brake activating structure at each end of the vehicle and connecting it to a brake lever. The device comprises... | 09/14/1993 |
| 5141241 | Recreation cart apparatus A recreation cart is provided, wherein the cart structure permits the selective securement of a foldable seat structure mounted to the cart, wherein the seat structure includes a plurality of sockets to receive the seat structure in a fixed orientation re... | 08/25/1992 |
| 5113977 | Lift truck parking brake An improved parking brake is provided for use on a movable machine, in particular a lift truck with an elevating platform. A pin-type brake is provided with a buffered slide mechanism which engages and disengages a slotted disc mounted on a wheel to brake... | 05/19/1992 |
| 5042622 | Shopping cart foot brake assembly A shopping cart has a foot brake assembly added as an improvement. The assembly comprises a shopping cart caster frame variable length mounting bracket with a worm clamp for mechanically attaching the brake housing and subsequent brake assembly to the sho... | 08/27/1991 |
| 4962833 | Brake system for a wheelbarrow A friction brake is associated with the single wheel of a wheelbarrow. A cable extends from the brake to a belt having a quick release mechanism and worn by the operator of the wheelbarrow. When tension is applied to the cable, as when the wheelbarrow mov... | 10/16/1990 |
| 4846627 | Storage and handling installation for palletized goods In order to increase the efficiency of space utilization in a palletized goods store in which loaded pallets (1) are arranged in rows (2, 3) with alleys (4) therebetween, each loaded pallet (1) is carried on a wheeled trolley (7A). Where it is required to... | 07/11/1989 |
| 4819767 | Hand brake apparatus for hand trucks A hand brake apparatus for installation on wheeled trucks of the type having a load supporting frame and at least two laterally opposed support wheels having a fixed direction supporting the frame for movement over the ground and a handle portion for movi... | 04/11/1989 |
| 4673066 | Brake in a light-constructed transport carriage A brake for a substantially light-constructed transport carriage includes a frame part, wheels and a part for drawing the carriage, the draw part being turnably carried in the frame part so that it can be lifted into vertical position to produce a braking... | 06/16/1987 |
| 4526253 | Brake for rollable receiving elements utilized particularly in airplanes A braking arrangement adapted for use in connection with a rollable cart employed in commercial airplanes includes a longitudinal base plate, which has relatively narrow end portions of a predetermined width, and two roller pairs mounted on the base plate... | 07/02/1985 |
| 4018449 | Automatic braking device for nesting cart A cart having a spring biased wheel lock, handle actuated release means for the lock, automatic lock release means actuated by a nested cart, and an intercart coupling means.... | 04/19/1977 |
| 3994505 | Shopping cart A shopping cart including a wheeled basket having a hinged cover and locks both for the cover and for the wheels. Mechanism is provided whereby the wheels are locked when the cover is open, and unlocked when the cover is closed, although the wheel lock ma... | 11/30/1976 |
| 3951426 | Brake system for cart A brake system for a cart having at least two non-pivotal wheels. A pair of heels are fixedly mounted on a rotatable axle which has a pair of hubs keyed thereto. A brake disc is associated with each hub and is restrained from rotation but is movable relati... | 04/20/1976 |
