Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having... – Coupling transmits torque via radially directed pin
Patent
1997-08-13
1999-11-16
Lillis, Eileen Dunn
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
Coupling transmits torque via radially directed pin
F16D 326
Patent
active
059847905
ABSTRACT:
A universal joint comprises a pair of yokes each formed by bending a metal plate, a single piece of cross shaft for connecting the pair of yokes to each other so as to be capable of oscillating and displacing, and a bolt for fixing each of the yokes to an end portion of a shaft. The yoke includes a joint cylindrical portion provided at a proximal end portion thereof and having a discontinuous portion at one place in a circumferential direction, first and second flange portions provided in parallel to each other at a part of the joint cylindrical portion with the discontinuous portion sandwiched in therebetween, a through-hole formed in the first flange portion thereof in such a direction as to bear a torsion positional relationship with the joint cylindrical portion, a screw hole formed in a fixing portion of the second flange portion and disposed concentrically to the through-hole. The bolt has a large-diameter head portion formed at one end of a bar portion and a male screw portion formed similarly at the other end thereof, and is fastened in such as state that the bar portion is inserted into the through-hole from a side opposite to the screw hole, the male screw portion is screwed into the screw hole, and a one-side surface of the head portion is brought into contact with a one-side surface of the first flange portion, thereby pressing an outer peripheral surface of the shaft inserted into the joint cylindrical portion without a large gap and fixing the yoke to the shaft. A length from the one-side surface to an opening edge of the screw hole is set more than 2.6 times as large as a nominal diameter of the bolt.
REFERENCES:
patent: 4068965 (1978-01-01), Lichti
patent: 4361024 (1982-11-01), Haldric
patent: 4507007 (1985-03-01), Mallet
patent: 5018899 (1991-05-01), Kuribara et al.
patent: 5188474 (1993-02-01), Ohkubo et al.
patent: 5575581 (1996-11-01), BeBisschop
Aida Akira
Sekine Hiroshi
Lillis Eileen Dunn
NSK Ltd.
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