Hydraulic jack having a removable hydraulic cartridge

Details Hydraulic jack having a removable hydraulic cartridge Hydraulic jack having a removable hydraulic cartridge

1987-09-01

1988-08-23

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Single throw lever

B60P 148

Patent

active

047655933

ABSTRACT:
A strengthened and improved structure for a hydraulic jack, a significant feature of which is that on the inner side of each side board of the frame body of the hydraulic jack, there is provided a drive bracket and a blocking piece for supporting and retaining a hydraulic cartridge. The frame body of the hydraulic jack is strengthened and constructed by welding. Also, the hydraulic cartridge can be quickly and easily dismounted from or mounted in to the frame body for repair or replacement.

REFERENCES:
patent: 1350970 (1920-08-01), Hutchison et al.
patent: 2643779 (1953-06-01), Hamlin
patent: 3521860 (1970-07-01), Zehrung et al.
patent: 4596378 (1986-01-01), Liang et al.

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