Lifting apparatus

Details Lifting apparatus Lifting apparatus

1985-11-01

1987-08-25

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

254122, B66F 324

Patent

active

046887601

ABSTRACT:
Lifting apparatus including a base, a platform disposed above the base, a thrust device therebetween to lift the platform relative to the base, and a platform stabilizer enclosed within the thrust device to connect the platform and base in parallel. The platform stabilizer includes an upper extensible linkage device having upper end portions connected to the platform, a lower extensible linkage device having lower end portions connected to the base, and connecting arrangement connecting lower end portions of the upper extensible linkage device to upper end portions of the lower extensible linkage device so that the linkage devices are constrained to move in unison.

REFERENCES:
patent: 2725578 (1955-12-01), Keller
patent: 2747692 (1956-05-01), Holmes
patent: 3412873 (1968-11-01), Barker
patent: 3695582 (1972-10-01), Clay

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