Antibackup assembly

Details Antibackup assembly Antibackup assembly

1987-03-27

1988-11-01

Kashnikow, Andres

Brakes

Wheel

One-way brakes

188 829, 192 46, 403328, F16D 6300, F16D 1104

Patent

active

047812745

ABSTRACT:
An assembly for preventing reverse rotary rotation of a disc includes openings having circumferentially spaced-apart ends formed in the disc. The leading end has an abutment surface perpendicular to the plane of rotation of the disc. The trailing end of the opening is ramped. Pins are mounted to a stationary support opposite the openings in the disc and are biased toward the disc. The outer end of each pin is sized to fit within the openings and has an abutment surface oriented perpendicular to the plane of rotation of the disc and configured for complementary mating engagement with the abutment surface defining the forward edge of the opening. The outer end of the pin is an angled or ramped surface. Forward rotation of the disc causes the two ramped surfaces to engage, biasing the pin away from the disc. The pin then slides along the surface of the disc until another opening is encountered at which time the process is repeated. Attempted reverse rotary rotation will cause the two abutment surfaces to engage which prevents any further reverse rotation of the disc.

REFERENCES:
patent: 244671 (1881-07-01), Reynolds
patent: 267638 (1882-11-01), Wright
patent: 728802 (1903-05-01), Kahlewind
patent: 1009836 (1911-11-01), Fowler
patent: 1397866 (1921-11-01), James
patent: 2293787 (1942-08-01), Worden
patent: 3205881 (1965-09-01), Hamman
patent: 3390897 (1968-07-01), Moore
patent: 4088008 (1978-05-01), Watling et al.
patent: 4254852 (1981-03-01), Orozco
patent: 4317387 (1982-03-01), Myers et al.
patent: 4615191 (1986-10-01), Grandy
patent: 4725027 (1988-02-01), Bekanich

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