Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1976-01-19
1977-06-21
Mehr, Milton S.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29411, 29417, 29463, 74579E, B23P 1500
Patent
active
040301796
ABSTRACT:
Complementary semi-tubular metal bars of non-porous metal are extruded to form bar stocks of given length, complementary edges of the semi-tubular metal bars are clamped in edge abutment, a series of longitudinally spaced holes are drilled along respective edges through one of said bars and partially through the other, the holes partially drilled through the edges of the second bar are tapped and the bars are screwed together prior to severing individual connecting rods from the joined bars at points intermediate of the screws.
REFERENCES:
patent: 1368045 (1921-02-01), Murray, Jr. et al.
patent: 1400829 (1921-12-01), Oakley
patent: 1948176 (1934-02-01), Hopkins et al.
patent: 2239203 (1941-04-01), Rendleman
patent: 2703263 (1955-03-01), Zernov
patent: 3441995 (1969-05-01), Revell et al.
patent: 3807009 (1974-04-01), Ostbo
patent: 3947947 (1976-04-01), Hess et al.
Crane Daniel C.
Dunham-Bush, Inc.
Mehr Milton S.
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