Method for manufacturing spring assemblies

Details Method for manufacturing spring assemblies Method for manufacturing spring assemblies

1986-07-29

1988-07-12

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

267179, B21D 3900, B23P 1100

Patent

active

047560711

ABSTRACT:
A method for manufacturing spring assemblies, in which a spring is fixed to a hole formed in a linear or an annular metal plate by compressing side edges of the plate to collapse the hole after inserting an end of the spring therethrough. The process is simple, and the obtained spring assemblies have excellent durability because there are not any projecting parts for installing springs on the metal plate, which are otherwise a factor in fatigue failure.

REFERENCES:
patent: 1339164 (1920-05-01), Clough
patent: 1621299 (1927-03-01), White
patent: 1977038 (1934-10-01), Brand
patent: 2241952 (1941-05-01), Lachman
patent: 3033010 (1962-05-01), Pintarelli
patent: 3489255 (1970-01-01), Gatewood
patent: 3782708 (1974-01-01), Dulude et al.
patent: 3866287 (1975-02-01), Dulude et al.
patent: 4549859 (1985-10-01), Andrione et al.

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