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Class Information
Number: 188/139
Name: Brakes > Operators > Automatic > Momentum > Gravity control
Description: The operation of the momentum-brake is initiated or controlled by the action of a weight.

Patents under this class:

Patent Number Title Of Patent Date Issued
7607183 Braking system for a positioner in a medical imaging apparatus Oct. 27, 2009
7543690 Cable brake for an elevator Jun. 9, 2009
7328776 Brake device for a strap-reel frame Feb. 12, 2008
7287627 Gravity operated cable brake for an elevator Oct. 30, 2007
7097005 Abseiling device Aug. 29, 2006
6823969 Braking device for an elevator Nov. 30, 2004
6817598 Gun brake device Nov. 16, 2004
5845746 Wheelchair dynamic braking system Dec. 8, 1998
5199535 Acceleration-sensitive friction device Apr. 6, 1993
4681306 Two chamber engine mount with hydraulic damping Jul. 21, 1987
4560040 Brake device for braking the saw chain of a portable motor-driven chain saw Dec. 24, 1985
4327324 Anti-theft electric meter Apr. 27, 1982
4234069 Vehicle speed control apparatus Nov. 18, 1980
4195795 Winding up device for a safety belt Apr. 1, 1980
4149616 Deceleration controlled brake Apr. 17, 1979
4103842 Locking sensor for belt retractor Aug. 1, 1978
4050644 Inertia responsive control device Sep. 27, 1977

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