Method of making a torque transmitter

Details Method of making a torque transmitter Method of making a torque transmitter

1991-07-10

1992-04-14

Echols, P.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B21F 3500

Patent

active

051035430

ABSTRACT:
A torque transmitter includes three coaxial helically wound springs of different inner and outer diameters positioned relative to each other such that the inner and outer generally circumferential surfaces of the center spring form interference fits with, respectively, the outer generally circumferential surface of the inner spring and the inner generally circumferential surface of the outer spring. The inner and outer springs are wrapped in one direction and the center spring is wrapped in the opposite direction.

REFERENCES:
patent: Re25543 (1964-03-01), Ruegg et al.
patent: 177490 (1876-05-01), Fones et al.
patent: 1170146 (1916-02-01), Gallagher, Jr.
patent: 1905197 (1933-04-01), Webb
patent: 2721091 (1955-10-01), Pfefferle et al.
patent: 4719683 (1988-01-01), Ulbing
patent: 4721117 (1988-06-01), Mar et al.
patent: 4884579 (1989-12-01), Engelson

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