Foot or top plate assembly

Details Foot or top plate assembly Foot or top plate assembly

1992-12-24

1994-07-05

Scherbel, David A.

Supports

Props and braces

2483545, 248357, E04G 2500

Patent

active

053260651

ABSTRACT:
A foot or top plate assembly for a shoring structure or tower comprises a wedged pin, a screw jack having an end adapted to receive the wedged pin in a friction fit, a foot plate having a first support for receiving the wedged pin in a friction fit and a second support for supporting the wedged pin. The first and second supports adapted to receive the hollow end in a sliding fit. The wedged pin connects the foot plate to the screw jack, whereby as the wedged pin is moved between an engaged position and a disengaged position the base plate moves relative to the screw jack.

REFERENCES:
patent: 988948 (1911-04-01), Reinhard
patent: 1374598 (1921-04-01), Markham
patent: 1570226 (1926-01-01), Bosco
patent: 2539703 (1951-01-01), Sato
patent: 2635844 (1953-04-01), Sato
patent: 3847340 (1974-11-01), Ficken et al.
patent: 3870268 (1975-03-01), Larkin
patent: 4036466 (1977-07-01), Van Meter
patent: 4147321 (1979-04-01), Gostling
patent: 4470574 (1984-09-01), Jackson
patent: 5160109 (1992-11-01), de Leeuw

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