Brakes – Wheel – Transversely movable
Patent
1987-05-28
1988-11-29
Kashnikow, Andres
Brakes
Wheel
Transversely movable
188112R, F16D 5100, B60T 720
Patent
active
047874872
ABSTRACT:
An improved surge braking mechanism for trailer vehicles including a brake shoe carried on a lever plate by an articulated linkage system. The braking mechanism moves the lever plate to bring the brake shoe into braking engagement with a brake drum of the trailer vehicle in response to the forward inertia of the trailer vehicle during braking. When the inertia of the trailer vehicle is either neutral or rearward, the braking mechansim acts to take the brake shoe out of braking engagement with the brake drum. The articulated linkage system limits the movement of the brake shoe away from the brake drum during rearward movement of the trailer vehicle. Upon transitional motion of the brake shoe in response to forward movement of the trailer vehicle, the brake shoe is smoothly returned to its normal position ready for braking of such forward movement. Undesired temporary braking engagement of the brake shoe observed during such transitional movement in known surge braking mechanisms is thereby prevented.
REFERENCES:
patent: 1912217 (1933-05-01), Pentz
patent: 2973839 (1961-03-01), De Puydt et al.
patent: 3973655 (1976-08-01), Mollard
patent: 4232765 (1980-11-01), Rupprecht
Dico Company, Inc.
Kashnikow Andres
Lowell Rudolph L.
Oberleitner Robert J.
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