Pantograph jack

Details Pantograph jack Pantograph jack

1994-05-19

1995-09-12

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

B66F 322

Patent

active

054491495

ABSTRACT:
In a pantograph jack an improvement comprising an extended tube mounted in a joint of the pantograph to extend a threaded annulus towards a shortened screw of the jack in which the extended tube has an integral construction and is positioned in the joint by crimping of tabs about trunnion pins in the joint.

REFERENCES:
patent: 4848733 (1989-07-01), Yamauchi et al.
patent: 5131628 (1992-07-01), Huang
patent: 5139232 (1992-08-01), Bailey
patent: 5161782 (1992-11-01), Huang
patent: 5176362 (1993-01-01), Seksaria
patent: 5184806 (1993-02-01), Erschens
patent: 5303898 (1994-04-01), Engel et al.

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