Supports – Props and braces – Adjustable length
Patent
1993-04-26
1994-05-10
Foss, J. Franklin
Supports
Props and braces
Adjustable length
248161, A47F 500
Patent
active
053101537
ABSTRACT:
A shoring post comprises a support post slidingly engaging a telescoping sleeve member and a screw device for incrementally adjusting the length of the shoring post. The telescoping member having a plurality of pairs of diametrically opposed holes spaced therealong. A pin member for inserting through a pair of the diametrically opposed holes of the telescoping member to releasably extend the shoring post. A quick release washer for quickly reducing an overall length of the shoring post. The washer comprising a ring portion having a pair of diametrically opposed cam lobes. The lobes having an inclined surface, a cradling surface and a stop. The washer is mounted between the pin and the support post. The washer has a load transfer position wherein the pin is cradled between the cradling surface and the stop surface and a quick release position whereby as the washer is rotated relative to the pin, the pin travels along the inclined surface reducing the overall length of the shoring post.
REFERENCES:
patent: 1022036 (1912-04-01), McLendon
patent: 2439854 (1948-04-01), Lipski
patent: 2468484 (1949-04-01), Clark
patent: 2777660 (1957-01-01), Albrecht
patent: 3847340 (1974-11-01), Ficken
patent: 3870268 (1975-03-01), Larkin
patent: 4036466 (1977-07-01), Van Meter
patent: 4470574 (1984-09-01), Jackson
patent: 4690361 (1987-09-01), Lundman
patent: 4752057 (1988-06-01), Hagemes
patent: 4811924 (1989-03-01), Walters
patent: 5112155 (1992-05-01), Jackson
Fors Arne I.
Foss J. Franklin
Horne D. Doak
Imai Jeffrey T.
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