Swivel jack assembly

Details Swivel jack assembly Swivel jack assembly

2007-09-18

2007-09-18

Ellis, Christopher P. (Department: 3618)

Land vehicles

Wheeled

Attachment

C254S418000, C403S162000, C403S164000

Reexamination Certificate

active

11243936

ABSTRACT:
The assembly incorporates two plates. There are annular protrusions on one plate and a matching annular groove on the other. A central bolt and washer holds the plates in engagement while permitting rotation of one plate relative to the other. The cooperating annular grooves and protrusions transfer loads between plates. Ninety degrees of rotation causes the jack assembly to rotate from the vertical stowed position to the horizontal towed position.

REFERENCES:
patent: 2945713 (1960-07-01), Sears
patent: 3020063 (1962-02-01), Warren, Jr.
patent: 4070041 (1978-01-01), Brammer
patent: 4076346 (1978-02-01), McMahan, Sr.
patent: 4283154 (1981-08-01), Shepherd
patent: 4589632 (1986-05-01), Smith
patent: 5067692 (1991-11-01), Nudd et al.
patent: 6302381 (2001-10-01), Roll

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