Pinless impact universal joint

Details Pinless impact universal joint Pinless impact universal joint

1997-03-21

1998-12-22

Lillis, Eileen Dunn

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

Coupling accommodates drive between members having...

403138, F16D 300

Patent

active

058511512

ABSTRACT:
The universal joint is provided for use with power drive tools. A driving member (12) is provided having a bore (16) at one end for receiving a drive member and a cavity (18) at the other end. A driven member (14) is provided having a quadrified ball (20) at one end and a socket receiving member (22) at the other end. The quadrified ball (20) has quadrified sides (40), a spherical head (42) and spherical corners (44). The quadrified side (40) contains sloped portions (46). The cavity (18) contains a base (54), a square cross-sectional area (48), radius corners (56) and a spring groove (66). The quadrified ball (20) is held in place in the cavity (18) by means of a "C" spring (68). The "C" spring (68) fits in spring groove (66). Disposed at the base (54) of the cavity (18) is a plug compression washer (60) made of a compressible polymer. Disposed between plug compression washer (60) and the head (42) of quadrified ball (20) is a plug tension washer (62). The plug tension washer (62) comprises a cylindrical disk with a frustroconical end and a planar end. The plug compression washer keeps pressure on the quadrified ball (20) against the "C" spring (68) such that the driven member (14) will remain at an angle at which it is placed. The plug tension washer (62) accepts the friction from the quadrified ball (40) as it rotates at its articulated angle.

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