Load equalizer pier head

Details Load equalizer pier head Load equalizer pier head

1993-08-12

1995-04-25

Chotkowski, Karen J.

Supports

Resilient support

Adjustable preloading of resilient means

521696, 248581, 248357, F16M 1300

Patent

active

054091926

ABSTRACT:
A load equalizing pier for a coach comprises a stand for placement on the ground and a head for placement under a load, e.g. a coach beam. The stand includes means for adjusting the height of the head. The head includes a base plate for attachment to the top of the stand and a support plate for placement under the load. Springs, supported by the base plate bias the support plate toward a biased position separated from the base plate. Bolts retain the support plate to the base plate above the base plate such that the support plate is movable downward from a biased position to a stop position restrained by the base plate. The springs apply a biasing force less than the desired load such that said support plate, under desired load, is restrained from further downward movement by said base plate. Preferably, the springs apply a biasing force of less than half of the desired load.

REFERENCES:
patent: 813318 (1906-02-01), McCarthy
patent: 2115824 (1938-05-01), McRorey
patent: 3606704 (1969-05-01), Denton
patent: 3713259 (1973-01-01), Tkach
patent: 3782052 (1974-01-01), Vetovitz
patent: 3828491 (1974-08-01), Koon et al.
patent: 4866797 (1989-01-01), Vollar
patent: 4882887 (1989-11-01), Giles et al.
patent: 4895335 (1990-01-01), Oliver

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