Joints and connections – Rod side to plate or side – Traversed by connector
Patent
1977-01-21
1980-11-25
Frazier, Roy D.
Joints and connections
Rod side to plate or side
Traversed by connector
85 1L, 85 9R, E04G 1704, F16B 3504
Patent
active
042355605
ABSTRACT:
A transition bolt for clamping together the side rails of a pair of edge-to-edge concrete wall form panels or the like comprises an enlarged head portion, a reduced shoulder portion, and a further reduced shank portion and is characterized by the fact that the shoulder and shank portions are flat-sided and have their sides coplanar and the shank portion is formed with interrupted screw threads along its edges for reception thereover of a threaded nut.
REFERENCES:
patent: 1251772 (1918-01-01), Guett
patent: 1959741 (1934-05-01), Simpson
patent: 1967145 (1934-07-01), Fisher
patent: 2620832 (1952-12-01), Alix et al.
patent: 2820972 (1958-01-01), Ptak
patent: 3127625 (1964-04-01), Ruminsky
patent: 3724886 (1973-04-01), Widerby
patent: 3855895 (1974-12-01), Francis
patent: 3903443 (1975-09-01), Carlson
Frazier Roy D.
Symons Corporation
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