Methods of assembling a chain and a rivet for use in such assemb

Details Methods of assembling a chain and a rivet for use in such assemb Methods of assembling a chain and a rivet for use in such assemb

1996-03-12

1998-03-24

Bryant, David P.

Metal working

Method of mechanical manufacture

Assembling or joining

295241, 2952506, 411502, B23P 1100

Patent

active

057298823

ABSTRACT:
A saw chain of a chain saw has its side links and center links interconnected by rivets. Prior to being staked, each rivet is in blank form and includes a cylindrical flange and a pair of barrels extending from opposite sides of the flange along a center axis thereof. Each barrel includes an axially inner cylindrical section and a tapered axially outer section. When the rivet is staked, the center section of each barrel fills a cylindrical portion of a hole formed in a respective side link, and the tapered section fills a chamfered portion of the hole to form a rivet head. The staked rivet bears against a wall of the cylindrical portion of the hole with a greater force than that with which the rivet bears against a wall of the tapered portion of the hole.

REFERENCES:
patent: 565049 (1896-08-01), Test
patent: 625491 (1899-05-01), Converse
patent: 2060394 (1936-11-01), Hiering
patent: 4904137 (1990-02-01), Matuschek
patent: 5600876 (1997-02-01), Notta et al.

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