Self-adjusting brake

Details Self-adjusting brake Self-adjusting brake

1980-10-24

1982-11-16

Halvosa, George E. A

Brakes

Wheel

Transversely movable

188 795K, 188196BA, 192 80, 192111A, F16D 4912, F16D 6556

Patent

active

043591442

ABSTRACT:
An external band brake control linkage includes a pair of anchor pins which are respectively connected to the opposite ends of a brake band. The linkage being operable between a normal released condition holding the anchor pins spaced apart so as to maintain the band disengaged from the brake drum and an operative condition wherein the anchor pins are moved together from the position they occupy when the linkage is in its released condition wherein the brake band is engaged with the brake drum. For the purpose of compensating brake band wear, the control linkage includes a link having a ratchet wheel-type adjusting nut threaded on a rod-like link thereof, the adjusting nut being advanced so as to change the spacing between the anchor pins. A paw or an adjusting nut operating lever is carried by a link of the control linkage and is operative in response to the link undergoing a predetermined movement, corresponding to brake band wear, to index the adjusting nut so as to compensate for wear.

REFERENCES:
patent: 2400359 (1946-05-01), Lear et al.
patent: 3692152 (1972-09-01), Larsson
patent: 3727728 (1973-04-01), Bostwick
patent: 3820636 (1974-06-01), Kass

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