Universal joint comprising a pair of crown gear elements confine

Details Universal joint comprising a pair of crown gear elements confine Universal joint comprising a pair of crown gear elements confine

1994-08-26

1996-08-13

Stodola, Daniel P.

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

Coupling accommodates drive between members having...

Torque transmitted via intermeshing teeth on drive and...

464106, F16D 318

Patent

active

055450911

ABSTRACT:
A universal joint comprises a driving gear and a driven gear each provided with a respective crown gear cluster, and a slotted casing confining the driving gear and driven gear in meshing engagement. The casing comprises a slot through which the driven gear projects and along which the driven gear may be moved angularly from a first position in which the driving gear and driven gear are in-line, and a second position in which the driving gear and driven gear are substantially at right angles to one another. The universal joint further comprises a compression spring surrounding a drive shaft of the driving gear within the casing, and acting between a first bearing surface of the casing and the base of the crown gear cluster of the driving gear. The casing further comprises second bearing surfaces contacting the base of the crown gear of the driven gear, such that movement of the driven gear from its first position to its second position produces a camming action whereby the driving gear is forced downwardly relative to the casing against the action of the compression spring, and whereby the compression spring is in a relatively more relaxed state in the first position of the driven gear, and a relatively more compressed state in the second position of the driven gear.

REFERENCES:
patent: Re22555 (1944-10-01), Brooks
patent: 636476 (1899-11-01), Webster
patent: 1241118 (1917-09-01), Hoskins
patent: 2316243 (1943-04-01), Hubbard
patent: 4789377 (1988-12-01), Hoskins

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