Jack device for trailers

Details Jack device for trailers Jack device for trailers

1978-02-01

1979-12-04

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Rocking supports

B66F 722

Patent

active

041768256

ABSTRACT:
A jack device for boat trailers and the like includes a bracket which is attached to the trailer frame or trailer bed. An extensible and retractable telescoping leg pivoted on the bracket and has a length greater than the radius of the trailer wheel. When the leg is swung downwardly from a transport position to a lowered position, and the trailer is then moved, the leg will be pivoted and extended to a vertical load supporting position to support the trailer so that the wheel is elevated above the ground surface. Conversely, when the leg is swung to the transport position, a spring telescopically retracts the leg in the lowered load supporting position. A foot member pivoted to the leg assures planar contact of the leg with the ground surface.

REFERENCES:
patent: 2837312 (1958-06-01), Troche
patent: 3744757 (1973-07-01), White et al.
patent: 3951383 (1976-04-01), Tenney

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