Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1978-01-23
1979-05-22
Keenan, Michael J.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29526A, B23P 1700
Patent
active
041551508
ABSTRACT:
A structural truss composed of spaced rails interconnected by a series of struts swingably coupled at their ends. Track members on the rails receive the ends of the struts which are slid into place between the rails. Thereafter, the struts are crimped in place upon the rail members to form a load supporting structural member.
In a second embodiment, rivets are slipped into the track members, the struts are slipped upon the rivets and the end of the struts and the rivets are deformed to form the structural truss.
REFERENCES:
patent: 1696039 (1928-12-01), Kane
patent: 2171673 (1939-09-01), Ropp
patent: 3019491 (1962-02-01), Troutner
patent: 3541749 (1970-11-01), Troutner
patent: 3826057 (1974-07-01), Franklin
patent: 3891108 (1975-06-01), Traficant
patent: 4077176 (1978-03-01), Bauer
Oehmsen Erich
Oehmsen Karl H.
Keenan Michael J.
Kronman Albert F.
Oehmsen Plastic Greenhouse Mfg. Inc.
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