Pneumatic jack unit

Description

FIG. 1 is a perspective view of a pneumatic jack unit showing my new design;

FIG. 2 is a left side view of the jack portion thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a right side view of the control portion;

The left side is a mirror image of the right side;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a top view thereof; and,

The bottom view is a mirror image of the top view.

The arm of the jack is shown fragmented for ease of illustration.

Referenced Cited
U.S. Patent Documents
1107833 August 1914 Parker
1527542 February 1925 Earhart
3784160 January 1974 Phillips
4750712 June 14, 1988 Genovese
4776569 October 11, 1988 Nestel-Eichausen
5193784 March 16, 1993 Obernberger
Patent History
Patent number: D384472
Type: Grant
Filed: Oct 30, 1995
Date of Patent: Sep 30, 1997
Inventor: Frank P. Lujan (Cedar Hill, TX)
Primary Examiner: A. Hugo Word
Assistant Examiner: Robin V. Taylor
Attorneys: Harold H. Dutton, Jr., W. Charles L. Jamison, Diane F. Liebman
Application Number: 0/45,788
Classifications
Current U.S. Class: Jack Or Jackstand (D34/31)
International Classification: 1205;