Metal working – Means to assemble or disassemble – Overedge assembling means
Patent
1992-03-04
1992-08-25
Watson, Robert C.
Metal working
Means to assemble or disassemble
Overedge assembling means
B25B 124
Patent
active
051407361
ABSTRACT:
For dismantling a rivet from either side-plate of a link of a bushed chain, a bicycle chain rivet dismantling apparatus comprised of a base having a first bolt hole and a second bolt hole longitudinally aligned at two opposite ends thereof and spaced from an intermediate stop wall, a screw thread bush fastened in said second bolt hole for supporting the link of the rivet to be dismantled, a female screw fastened in said first bolt hole, a pressure screw driven by a telescopic lever to screw in said female screw causing said rivet to be disconnected from either side-plate of said link, and characterized in that said in said bottom platform has a notch on a front face thereof, and said screw thread bush has a side opening longitudinally disposed in line with said side notch for passing therethrough of said rivet and said link after said rivet having been dismantled from either side-plate of said link.
REFERENCES:
patent: 3182442 (1965-05-01), Granberg
patent: 3233402 (1966-02-01), Urbaitis
patent: 3234634 (1966-02-01), Johnson et al.
patent: 4365401 (1982-12-01), Ogren
patent: 4476615 (1984-10-01), Cook
patent: 4602414 (1986-07-01), Bartholomew et al.
patent: 4949446 (1990-08-01), Kowica
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