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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7824292 | Rear wheel drive automatic transmission with a selectable one-way clutch A vehicle includes a rear-wheel drive (RWD) automatic transmission having a stationary member, a two-mode selectable one-way clutch (SOWC), pressurized fluid, and a valve body assembly (VBA). The VBA has a piston, a return spring, and an actuator linkage in contact ... | 11/02/2010 |
| 7090608 | Wheel transmission A wheel transmission for a heavy construction vehicle, which can be applied to specially-equipped vehicles as well as heavy construction vehicles such as a forklift truck and a mechanical shovel. The wheel transmission (200) is intended to drive a pair of rig... | 08/15/2006 |
| 7083537 | Multiple speed automatic transmission for motor vehicle A multiple speed transmission for a motor vehicle includes a speed reduction gear set driveably connected to an input shaft, a planetary gear set having elements selectively driveably connected to the speed reduction gear set and input shaft, a first clutch and a se... | 08/01/2006 |
| 7059987 | Hydraulic port separator in an automatic transmission A power compounder, for transmitting rotary power from a transmission to a driveline assembly includes a housing adapted to be mounted to the transmission. An input shaft is rotatably supported by the housing and adapted to be driven by the transmission. The compoun... | 06/13/2006 |
| 6277047 | Automatic transmission An automatic transmission comprises a friction engaging means having a plurality of first plates spline-fitted to a hub and a plurality of second plates spline-fitted to a drum and disposed in an interleaving relation to the first plates, an one-way clutc... | 08/21/2001 |
| 5904632 | Full-time four-wheel drive transmission A transmission for a four-wheel drive vehicle having a multi-speed geartrain and power transfer mechanism incorporated into a common housing assembly. The multi-speed geartrain includes a input shaft, a mainshaft, and a plurality of constant-mesh gearsets... | 05/18/1999 |
| 5579883 | Automatic transmission First and second hydraulic servo units operate respective frictional engagement elements in a transmission and each includes first and second cylinders, each having a side wall portion interposed between the two frictional engagement elements. The first c... | 12/03/1996 |
| 5478291 | Gear shift system for automatic transmission A gear shift system for an automatic transmission, in which a plurality of planetary gear sets arrayed on a common axis and each including a plurality of rotating elements are arranged in a casing, and in which an extension housing is attached to the axia... | 12/26/1995 |
| 5186693 | Automatic transmission An automatic transmission includes: a connection member including an outer cylinder and an inner cylinder and defining a first annular space; a first annular piston arranged in the first annular space and defining a second annular space together with the ... | 02/16/1993 |
| 4930373 | Brake system for automatic transmission Herein disclosed is a brake system for use with an automatic transmission for braking a rotatable member such as a brake drum, which is accommodated in a casing and connected to the sun gear or the like of a planetary gear mechanism, by bringing a brake b... | 06/05/1990 |
| 4903548 | Snap ring support device for an automatic transmission In an automatic transmission provided with an automatic transmission mechanism section with a planetary gear unit and a torque converter, a snap ring groove is defined by an annular flange section for a stator shaft and a pump cover, and the reaction from... | 02/27/1990 |
| 4884472 | Automatic transmission An automatic transmission having Ravigneaux Type planetary gear unit comprises a first and a second sun gear, a long pinion meshing the first sun gear, a short pinion meashing the long pinion and the second sun gear, a carrier supporting the long pinion a... | 12/05/1989 |
| 4836052 | Compact change speed transmission A compact change speed transmission comprising two planetary gear sets which are selectively controlled by clutches and brakes to provide four forward speed ratios and a reverse speed ratio. There are a forward clutch, a forward one-way clutch, and a low ... | 06/06/1989 |
| 4747323 | Control of a vehicle power transmission A vehicle power transmission device comprises a torque converter having an input member adapted to be connected with an engine output shaft and an output member, a multiple stage gear transmission mechanism, and a drive shaft having one end connected with... | 05/31/1988 |
| 4711138 | Automatic transmission mechanism Sun gears of a single planetary gear unit and a dual planetary gear unit are connected with respect to each other, carriers of the respective gear units in the connected state are connected to an output member, an input member is connected to a ring gear ... | 12/08/1987 |
| 4607541 | Automatic transmission An automatic transmission having: a torque converter; a first planetary gear set; a second planetary gear set, and friction elements operated by hydraulic servos. The first planetary gear set has a hydraulic servo drum D1 for a clutch C1 | 08/26/1986 |
| 4454786 | Four speed torque converter transaxle and accessory drive system A four speed ratio transaxle for an automotive vehicle driveline comprising two simple planetary gear units arranged with fluid pressure operated clutches and brakes to provide four forward driving ratios, the top speed ratio being a direct drive, two of ... | 06/19/1984 |
| 4331044 | Four speed offset automatic overdrive transmission with lockup in direct and overdrive A transaxle driveline for a wheeled vehicle having an engine and gear system on a common axis that is transverse with respect to the center plane of the vehicle and having tandem driveshafts for the traction wheels, a differential gear mechanism mounted o... | 05/25/1982 |
| 4237749 | Multi-speed power transmission A four-speed planetary transmission has three friction clutches which are selectively engageable in pairs or simultaneously to provide a drive connection between the transmission input and the planetary gearing during the four forward speeds. One apply pi... | 12/09/1980 |
| 4098148 | Transmission controls A control mechanism for a planetary overdrive gear mechanism for an automatic transmission which utilizes a double-acting one-way clutch with a clutch controller to immobilize the cage for the one-way clutch to allow inner and outer races to rotate relati... | 07/04/1978 |
| 4050329 | Planetary gear change-speed transmission for vehicles A planetary gear change-speed transmission for vehicles, especially an automatically shifting change-speed transmission for motor vehicles in which a frictional engaging device and a free-wheeling device are arranged at the planetary gear set coordinated ... | 09/27/1977 |
| 4036082 | Overdrive device An overdrive device is provided for use in an automatic transmission of the type including a torque converter and a change gear mechanism. The torque converter has a pump impeller obtaining its input from an engine and a turbine runner whose output is applied ... | 07/19/1977 |
| 4036081 | Overdrive mechanism for automotive power transmission An overdrive mechanism is provided for use in an automatic transmission of the type including a torque converter and a change gear mechanism. The torque converter has a pump impeller obtaining its input from an engine and a turbine runner whose output is ... | 07/19/1977 |
