Injection molded universal joint

Details Injection molded universal joint Injection molded universal joint

1984-08-23

1986-04-15

Levy, Stuart S.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling accommodates drive between members having...

Coupling transmits torque via radially spaced ball

464141, 464903, F16D 326, F16D 338

Patent

active

045825033

ABSTRACT:
An injection molded universal joint (10) includes a central retaining member (40) captured between spherical balls (30, 32, 34, 36) seated in bores (22, 24, and 26, 28) located in diametrically opposed arms (14, 16, and 18, 20) of respective shaft members (11, 12). The spherical balls are each pressed through an associated bore until a portion of the ball extends radially inwardly of the arm, and then maintained in position by a plastic material (80) insert molded into and retained in the bore. The insert molded plastic material (80) retains each of the spherical balls in place and permits the central retaining member (40) to be accurately positioned and with a predetermined preload applied to the universal joint (10).

REFERENCES:
patent: 1705731 (1929-03-01), Hufferd
patent: 2293204 (1942-08-01), Greenfield
patent: 2545646 (1951-03-01), Blinkman
patent: 2914361 (1959-11-01), Turner
patent: 3217516 (1965-11-01), Runkle
patent: 3296830 (1967-01-01), Runkle
patent: 3310959 (1967-03-01), Sheppard
patent: 3376713 (1968-04-01), Runkle
patent: 3877253 (1975-04-01), Yeagle
patent: 3878695 (1975-04-01), Pitner
patent: 4075871 (1978-02-01), Burke

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