Presses – With ground-traversing wheels or guides
Patent
1977-03-28
1978-09-05
Wilhite, Billy J.
Presses
With ground-traversing wheels or guides
100DIG13, 100231, 100264, 227152, 269321F, B30B 700
Patent
active
041111141
ABSTRACT:
A machine is provided for assemblying the elements of a truss and fastening them together in a positive manner. A supporting table is made up of channel elements which have platforms thereon which are movable upwardly and are adjustable in a horizontal plane toward and away from the center of the table. A carriage runs upon spaced tracks to locate pressure plates which are mounted on a pair of like C-frames which are adjustable toward and away from each other so as to be effective for trusses of different heights. The pressure plates are moved toward each other and apply a substantial pressure for inserting a multiplicity of nails of a nail plate into the areas in which the members of the truss are to be secured together. This provides a truss of exact shape and dimension which is positively secured together and, where necessary, is provided with a rectangular opening in which a heating and/or cooling duct is supported.
REFERENCES:
patent: 3207406 (1965-09-01), Bowman
patent: 3388657 (1968-06-01), Jureit
patent: 3487430 (1969-12-01), Schmitt
patent: 3530790 (1970-09-01), Post
patent: 3742569 (1973-07-01), Moehlenpah
patent: 3866530 (1975-02-01), Moehlenpah
patent: 3896717 (1975-07-01), Schmitt
patent: 3978783 (1976-09-01), Moehlenpah
patent: 4002116 (1977-01-01), Knowles
The Panel Clip Co.
Wilhite Billy J.
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