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Class Information
Number: 475/293
Name: Planetary gear transmission systems or components > With means to vary drive ratio or disconnect drive (e.g., brake or clutch) > Speed responsive clutch or brake
Description: Subject matter wherein a drive train* includes a clutch* having mechanism for controlling the coupling of two parts in response to the velocity of one of the parts; or which includes a brake* which controls a moving part in response to its velocity.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7351180 |
Automatic speed changing device |
Apr. 1, 2008 |
| 7300376 |
Electromagnetic selection device for a two-stage planetary gear set |
Nov. 27, 2007 |
| 6648790 |
Family of multi-speed transmission mechanisms having three planetary gear sets and six torque-transmitting devices |
Nov. 18, 2003 |
| 6464613 |
Power-shiftable compound planetary transmission |
Oct. 15, 2002 |
| 5865703 |
Multi-stage transmission |
Feb. 2, 1999 |
| 5628234 |
Fail-free actuator assembly |
May. 13, 1997 |
| 5492512 |
Brake system with wheel-reversing means for an automobile |
Feb. 20, 1996 |
| 5478292 |
Epicycloidal gear type speed change gear system |
Dec. 26, 1995 |
| 5372106 |
Drive assembly for auxiliary units |
Dec. 13, 1994 |
| 5263906 |
Mechanical automatic transmission directly responsive to torque |
Nov. 23, 1993 |
| 5083991 |
Automatic speed-variating system |
Jan. 28, 1992 |
| 5083990 |
Two-speed power transmission for a power tool |
Jan. 28, 1992 |
| 4986556 |
Chainless motocross bicycle |
Jan. 22, 1991 |
| 4882950 |
Drive line for four wheel drive vehicles |
Nov. 28, 1989 |
| 4827799 |
Variable planetary transmission for a motorcycle or remote-control car |
May. 9, 1989 |
| 4671134 |
Automatic transmission for motorcycles |
Jun. 9, 1987 |
| 4195537 |
Automatic transmission |
Apr. 1, 1980 |
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