Vehicle jack

Details Vehicle jack Vehicle jack

1996-09-24

1998-02-03

Eley, Timothy V.

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Single throw lever

254 8B, 254 17, 254 45, 254120, 254131, B60P 148

Patent

active

057135576

ABSTRACT:
A jack comprises a main frame device, an extensible rod device and two wheels. The main frame device has an upright pipe, a driving rod connected to the upright pipe, a reinforced plate connected to the driving rod and the upright pipe, an upper rod inserted in the upright pipe, and an upper block mounted on the upper rod. The extensible rod device has an outer pipe, a middle pipe inserted in the outer pipe, and an inner pipe inserted in the middle pipe. An inserted end of the driving rod is inserted in a lower end of the outer pipe. Two wheels are fastened on the upright pipe pivotally.

REFERENCES:
patent: 1307600 (1919-06-01), Rose et al.
patent: 1826110 (1931-10-01), Wickman
patent: 4333617 (1982-06-01), Hamilton
patent: 4365925 (1982-12-01), Girtz
patent: 5560272 (1996-10-01), Bolger

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