Safety stand for use in association with hydraulic lift
Description
FIG. 1 is a right front perspective of a safety stand for use in association with hydraulic lift;
FIG. 2 is a front elevational view;
FIG. 3 is a left side elevational view;
FIG. 4 is a right side elevational view;
FIG. 5 is a rear elevational view;
FIG. 6 is a bottom plan view;
FIG. 7 is a top plan view;
FIG. 8 is a front elevational view as in FIG. 2, with the inner support tube in an alternate, vertically extended position; and,
FIG. 9 is a right front perspective view of a second embodiment of the safety stand for use in association with hydraulic lift, it being understood that the sole difference resides in the configuration of the base of the stand.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
3355136 | November 1967 | Staples |
509653 | March 1952 | BEX |
197750 | September 1964 | SEX |
191919 | July 1937 | CHX |
839600 | June 1960 | GBX |
Patent History
Patent number: D281199
Type: Grant
Filed: May 18, 1983
Date of Patent: Oct 29, 1985
Inventor: William F. Prawl (Sacramento, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Kay H. Chin
Law Firm: Lothrop & West
Application Number: 6/495,864
Type: Grant
Filed: May 18, 1983
Date of Patent: Oct 29, 1985
Inventor: William F. Prawl (Sacramento, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Kay H. Chin
Law Firm: Lothrop & West
Application Number: 6/495,864
Classifications
Current U.S. Class:
Conveying, Lifting, Or Transferring Article (D34/28);
Jack Or Jackstand (D34/31)