Internal shoe drum brake

Details Internal shoe drum brake Internal shoe drum brake

1984-11-28

1989-06-27

Yusko, Donald J.

Brakes

Wheel

Transversely movable

188 7964, 188 7957, F16D 5116, F16D 6522

Patent

active

048421049

ABSTRACT:
An internal shoe drum brake has a pair of shoes (1, 2) mounted on a backplate (3), and a mechanical shoe-expansion mechanism which includes a lever (9) movable angularly in a plane parallel to the backplate, an abutment device (13) mounted on the shoe (2) and retained on the shoe by a separate shoe hold-down device (14), the abutment device extending to a position adjacent the lever to provide a backstop for the latter in order to set a predetermined retracted position for the lever.

REFERENCES:
patent: 2228576 (1941-01-01), Marino
patent: 3294202 (1966-12-01), Helvern
patent: 3400787 (1968-09-01), Keller et al.
patent: 3572476 (1971-03-01), Laverdant
patent: 3589476 (1971-06-01), Evans
patent: 3858463 (1975-01-01), Klavonich
patent: 3869026 (1975-03-01), Williams
patent: 4228876 (1980-10-01), Osborne

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