Elongated-member-driving apparatus – With control means responsive to sensed condition
Patent
1979-11-02
1981-12-15
Bell, Paul A.
Elongated-member-driving apparatus
With control means responsive to sensed condition
29430, 144 1R, 144 2N, 227 41, 227 48, 227 50, 227100, 227101, 227103, 227111, 227152, B27F 702, B23P 2100
Patent
active
043055389
ABSTRACT:
Portable apparatus for automatically constructing prefabricated stud walls or other frame structures from standard materials. Elongate studs are placed transversely at spaced intervals between a pair of elongate wall plate members by a reciprocatingly rotating stud-selecting mechanism and a linearly reciprocating spacer mechanism. As each stud is placed between the plate members, it is automatically nailed thereto, forming a portion of the wall frame, after which the completed portion of the frame is advanced an incremental distance along an assembly structure by the spacer mechanism, which pushes on the newly nailed stud to advance the frame to a position for nailing the next succeeding stud, and so forth in automatic cyclic fashion. A semi-automatic sheathing fastener mechanism includes a plurality of fastener guns and an automatically controlled actuation mechanism for placing fasteners at predetermined locations. Apparatus is provided for varying the spacing between wall plates and for reducing overall width of the apparatus for legal highway transport. The apparatus includes self-contained electrically-powered pneumatic and hydraulic systems, and fluid-operated control systems.
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Schultz, deceased Bethel F.
Schultz, executrix by Marjorie
Bell Paul A.
Schultz Robert
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