Clamping device for joining boards

Details Clamping device for joining boards Clamping device for joining boards

1981-03-31

1983-10-18

Murtagh, John E.

Horizontally supported planar surfaces

Plural related horizontal surfaces

Laterally connected individual units

108114, 52461, 52467, 52584, 52586, A47B 5700

Patent

active

044099061

ABSTRACT:
A clamping device (FIG. 1) is provided for joining together boards (1,2) lying edge to edge in the same plane, and comprises a fixing rail (20) with upwardly directed flanges (21,22) at a mutual angle of about 90.degree., a pair of trough-like members (12,13) each bearing against the inside of one of said flanges (21,22), the side surface of one side (14) of said members (12,13) each bearing against the under side of a board (1,2) with its other side edge (15) engaging in a groove (16,17) in each board (1,2), there being a tensioning rail (9) with outwardly directed flanges engaging in slots (7,8) in the edge surfaces (3,4) of the boards (1,2), and clamping bolts (23) between the fixing rail (20) and tensioning rail (9) for urging the fixing rail towards the members (7,8) serving to support the boards (1,2) and press their edges (3,4) towards each other.

REFERENCES:
patent: 951112 (1910-03-01), Grenier
patent: 1169240 (1916-01-01), Coleman
patent: 1812009 (1931-06-01), Lenke
patent: 2907287 (1959-10-01), Trostle
patent: 3335537 (1967-08-01), Mackey

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