Board press

Implements or apparatus for applying pushing or pulling force – Floor jack type – Single-throw lever and bar

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Details

B66F 300

Patent

active

052481271

ABSTRACT:
A board press (10) comprises a dog member (12) dimensioned and configured to grip a joist (14a) and a lever (16) attached to one end to the dog member (12) by a ball and socket mounting (18) for pivoting of lever (16) about a pivot axis P--P. The ball and socket mounting (18) enables the pivot axis to be angularly displaced about a point on pivot axis P--P, thereby permitting the user to pivot the lever (16) perpendicularly to the edge (27) of a board (26a) being pressed despite twisting of the dog member (12) on the joist (14a) during use. A method of pressing one or more boards disposed on a joist includes using the board press and pivoting the lever in a pivot plane which is kept perpendicular to the edge of the board while simultaneously twisting the dog member to seat it upon the joist.

REFERENCES:
patent: 32120 (1861-04-01), Clough
patent: 281968 (1883-07-01), Caywood
patent: 332197 (1885-10-01), Goodhue
patent: 338933 (1886-03-01), Cloyd
patent: 1494269 (1924-05-01), Meyers
patent: 1801810 (1931-04-01), Goodson
patent: 1919090 (1933-07-01), Busby
patent: 2188819 (1940-01-01), Rich
patent: 2201394 (1940-05-01), Edelblute
patent: 2208883 (1940-07-01), Hall
patent: 2438766 (1948-03-01), Rifenberg
patent: 2780437 (1957-02-01), Ham
patent: 4621791 (1986-11-01), Staskiewicz et al.

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