Jack support

Details Jack support Jack support

1996-04-03

1998-08-18

Braun, Leslie A.

Supports

Props and braces

Adjustable length

248352, 254 8B, A47F 500

Patent

active

057949077

ABSTRACT:
An adjustable mechanical device to engage the opening of a standard hydraulic floor jack to prevent said jack from lowering inadvertently in the event of hydraulic failure. Said device is installed by positioning as shown with L-clip under jack axle, and with adjustable strut extended so as to engage the upper shaft of jack. To remove the jack support, the lever is lifted wherein the pawl is disengaged, the strut lowers, and the Jack Support is removed.

REFERENCES:
patent: 1455617 (1923-05-01), Jackson
patent: 2611579 (1952-09-01), Guzey et al.
patent: 3173644 (1965-03-01), Burfiend
patent: 4008778 (1977-02-01), Mitchell
patent: 4501561 (1985-02-01), Speelman
patent: 4650427 (1987-03-01), Huchinson
patent: 5221073 (1993-06-01), Shockley
patent: 5323997 (1994-06-01), Danaj
patent: 5520030 (1996-05-01), Muldoon
patent: 5575492 (1996-11-01), Stone

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