One-way load self-control spiral type brake

Details One-way load self-control spiral type brake One-way load self-control spiral type brake

2010-04-22

2011-10-25

Schwartz, Christopher (Department: 3657)

Brakes

Wheel

One-way brakes

C188S134000, C188S1960BA

Reexamination Certificate

active

08042657

ABSTRACT:
A one-way load self-control spiral type brake, including a reel, two bearing frames on the reel, a brake shaft set between the two bearing frames, and two ends of the brake shaft connecting a transmission shaft. A front end of said brake shaft equipped with a fixing apparatus. Behind the fixing apparatus, a first inner friction piece, a first external friction piece, a second inner friction piece, a second external friction piece, an internal screw thread pressure plate, a tension spring, a connection piece and a brake shaft coupling are provided in sequential order around the brake shaft, and are fixed together by a socket and spigot joint. The inner friction piece and the brake shaft mesh. An external tooth is set on an outer circle of the external friction piece. A front end of the brake shaft coupling is fixed outside of an internal screw thread pressure plate.

REFERENCES:
patent: 4176733 (1979-12-01), Twickler
patent: 4483429 (1984-11-01), Tiedeman
patent: 4625843 (1986-12-01), Maltby et al.
patent: 4898265 (1990-02-01), Metcalf
patent: 5482255 (1996-01-01), Daschel et al.
patent: 7222700 (2007-05-01), Elliott

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