Method of forming double wrap brake bands

Details Method of forming double wrap brake bands Method of forming double wrap brake bands

1984-12-26

1986-04-15

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Providing transitory integral holding or handling portion

29416, B23P 1700

Patent

active

045818037

ABSTRACT:
An improved double wrap brake band for an automatic transmission and the method of making the band wherein the band is lightweight and heat set round at the released open position with the utilization of thinner strap material at higher hardness ranges. The band is formed from a preslotted and preformed strap and a stamped one-piece bracket member secured to the strap. The band subassembly is heat treated and heat set, the interior surface is acid etched and a preslotted friction lining applied to the interior treated surface, the subassembly is sized, and the connecting ties for both the strap and bracket member are removed to provide the final band assembly.

REFERENCES:
patent: 2704882 (1955-03-01), Olson
patent: 2841864 (1958-07-01), Kelly
patent: 2867898 (1959-01-01), Vosler et al.
patent: 2887771 (1959-05-01), Holdeman et al.

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