Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7011182 | Axle driving apparatus A housing cannot be made compact by only securing a space corresponding to a reservoir tank at the upper part of the housing, and the space at the upper part of the housing cannot be utilized if the reservoir tank is integrally provided to the upper part of the hous... | 03/14/2006 |
| 6361457 | Variable speed pulley assembly A variable speed pulley assembly (10) for use with a drive belt (30) having a V-shaped cross-sectional configuration for transmitting driving force to the pulley assembly and a driven belt (32) having a V-shaped cross-sectional configuration for transmitt... | 03/26/2002 |
| 6109127 | Power transmission system employing a motor and an engine A power transmission system includes a motor connected to a variable pulley device via a uni-directional device and an engine connected to a clutch device via a uni-directional device. A pulley device is disengagably connected to the clutch device and con... | 08/29/2000 |
| 5897450 | Variable speed pulley assembly A variable speed pulley assembly for use with V-shaped drive and driven belts include a center pulley supported for rotation and movable axially in opposite directions between an outer drive pulley half and an outer driven pulley half. The center pulley c... | 04/27/1999 |
| 5685793 | Multiple band continuously variable transmission An Improvement in a multiple band continuously variable transmission that provides equal speed ratios for each band throughout a range of overall transmission speed ratios through the use of radially contoured pulley sheaves,... | 11/11/1997 |
| 5209331 | Clutch construction A clutch construction for a reversible walk-behind soil compactor. The compactor includes a frame which carries a soil compacting plate and a drive mechanism, such as a gasoline engine is mounted on the frame and has a rotatable drive shaft. A pair of ecc... | 05/11/1993 |
| 4941863 | Stepless speed change mechanism in belt transmission device A stepless speed change mechanism in a belt transmission device comprising a first belt passed through a groove in a drive pulley and a first groove in an intermediate pulley, and a second belt passed through a second groove in the intermediate pulley and... | 07/17/1990 |
| 4857033 | Clutch assembly with combined variable and fixed speed pulleys The present invention relates to a clutch and a pulley assembly which provides a unique arrangement for mounting a clutch mechanism, a fixed pulley, and a variable speed pulley about a common mounting hub. More specifically, the invention includes an axia... | 08/15/1989 |
| 4738651 | Steplessly adjustable belt-type transmission An infinitely variable belt-type transmission for an agricultural machine or the like includes drive and driven pulleys and a pair of inversely variable diameter pulleys mounted on a shaft that is shiftable to vary the diameter of the pulleys and conseque... | 04/19/1988 |
| 4725258 | Multiple groove variable pitch pulley system A multiple groove, variable pitch pulley comprises an annular hub threaded about its exterior surface. A stationary end flange is mounted at one end of the hub and a movable end flange is threaded onto the other end of the hub. One or more center flanges ... | 02/16/1988 |
| 4674994 | Power transmission apparatus A variable speed power transmission belt drive apparatus wherein a pair of asymmetric cross section drive belts are utilized in conjunction with complementary sheaves, including a pair of axially adjustably spaced outer sheaves and an intermediate sheave.... | 06/23/1987 |
| 4620367 | Saw drive tensioner A saw construction including a prime mover with a rotary output member, support means rotatably mounting a cutting blade on the prime mover, a first flexible endless drive member drivingly connecting the output member to a transfer member and a second fle... | 11/04/1986 |
| 4504249 | H-Key adjustable pulley An adjustable pulley construction including a first disc having a belt-engaging surface and a centrally located, internally threaded annular hub, the hub having an exterior flat face and an interior recess; and a second disc having a belt-engaging surface... | 03/12/1985 |
| 4421498 | Modular sheave A modular V-belt sheave which, in a specific embodiment, has two end modules and a hub connected to at least one of the modules and may have one or more intermediate modules and the modules are secured together by a plurality of tying members extending th... | 12/20/1983 |
| 4391595 | Variable speed, multiple component pulley A variable speed pulley or sheave with a broad speed range is provided. The variable speed pulley comprises three inter-nesting components which enable a broad range of ratios to be achieved. The multiple component pulley is mounted on an idler shaft with... | 07/05/1983 |
| 4063467 | Speed change and reverser device A speed changer comprising a stationary pulley and a powered shaft defining sun axis. Two adjustable diameter planet pulleys and a pair of power-transmitting belts transmit power to an output sun pulley coaxially aligned with the stationary pulley. An adj... | 12/20/1977 |
