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Class Information
Number: 188/109
Name: Brakes > Operators > Seat
Description: The brake is operated by the weight on a vehicle or other seat.










Patents under this class:

Patent Number Title Of Patent Date Issued
8622409 Structure, components and method for constructing and operating an automatically self locking manually propelled vehicle such as a wheel chair Jan. 7, 2014
6978864 Wheelchair braking device Dec. 27, 2005
6782964 Mower Aug. 31, 2004
6352138 Wheelchair braking system Mar. 5, 2002
6260672 Vehicle seat with an adjusting mechanism Jul. 17, 2001
6012555 Wheelchair braking system Jan. 11, 2000
5984334 Automatic braking wheelchair Nov. 16, 1999
5706909 Vehicle safety automatic braking apparatus Jan. 13, 1998
5368372 Hydraulic brake system for an off-road vehicle Nov. 29, 1994
5367978 Shock-absorber mounted seat for personal watercraft and boats Nov. 29, 1994
5350036 Deadman brake assembly for cargo vehicles Sep. 27, 1994
5309861 Shock-absorber mounted seat for personal watercraft and boats May. 10, 1994
5203433 Automatic braking wheelchair Apr. 20, 1993
5050700 Safety apparatus for a skid-steer loader Sep. 24, 1991
4623043 Automatic wheel chair brake Nov. 18, 1986
4582178 Seat brake system Apr. 15, 1986
4476964 Seat-brake including lockout Oct. 16, 1984
4356876 Parking apparatus for use on a three-wheeled motorized vehicle Nov. 2, 1982
4355698 Brake and transmission control Oct. 26, 1982
4320818 Wheelchair brake assembly Mar. 23, 1982
4320819 Seat-operated brake assembly with brake protection means Mar. 23, 1982
4285418 Friction coupling control system Aug. 25, 1981
4136752 Vehicle brake control system Jan. 30, 1979
4116296 Automatic seat brake Sep. 26, 1978
4033433 Body motion bicycle seat brake Jul. 5, 1977











 
 
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