Implements or apparatus for applying pushing or pulling force – Vehicle attached jack – Attached to trailer tongue
Patent
1982-06-01
1984-04-10
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Vehicle attached jack
Attached to trailer tongue
B66F 310
Patent
active
044416938
ABSTRACT:
A removeable base plate accessory member for the support jack leg on a trailer hitch providing a flat base stand for a trailer when the trailer is being parked and left in a particular area. The base plate member is easily attachable to or detachable from the support leg and may be adjusted to vary the relative height or distance between the accessory's base plate and its attachment connector leg used to attach the base plate to the support leg of the standard type jack found on most trailer hitches. The preferred connector (FIGS. 2 and 3) includes a pipe section with a bottom plate welded to it with a centrally located opening with a nut welded to the bottom plate, with the base plate member having a vertically extending centrally located threaded stud threadably engaging the nut.
REFERENCES:
patent: 1513252 (1924-10-01), Lampert
patent: 2504291 (1950-04-01), Alderfer
patent: 2594605 (1952-04-01), Zoppelt
patent: 2929602 (1960-03-01), Hyre
patent: 3027140 (1962-03-01), Holzbach
patent: 3093362 (1963-06-01), Schaefer
patent: 3458173 (1969-07-01), Kornovich et al.
patent: 3580543 (1971-05-01), Hafeli
patent: 3764109 (1973-10-01), Hollis
patent: 4174094 (1979-11-01), Valdespino et al.
patent: 4221362 (1980-09-01), Van Santen
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