Unit for distributing and installing rings on pistons

Details Unit for distributing and installing rings on pistons Unit for distributing and installing rings on pistons

1989-11-17

1990-11-06

Briggs, William

Metal working

Means to assemble or disassemble

Piston ring inserter or remover

29714, 221222, B23Q 710

Patent

active

049674595

ABSTRACT:
An automatic unit for distributing and installing rings, particularly composite rings, on engine pistons, and which includes a first device for separating elastic expanders (b 1a) consisting of two pairs of helical ramps (26, 27) and (28, 29) having opposite winding directions driven simultaneously by a ring gear (30), and of an escapement mechanism (32) controlled by a cylinder (34) able to cause the turn portion corresponding to one helical ramp turn to be performed on this ring.

REFERENCES:
patent: 1525528 (1925-02-01), Widell
patent: 1634566 (1927-07-01), Wessman
patent: 2792625 (1957-05-01), Hoffman
patent: 3793695 (1974-02-01), Carter et al.
patent: 3889342 (1975-06-01), Mulligan
patent: 3977566 (1976-08-01), Hill et al.
patent: 4084727 (1978-04-01), Albers
patent: 4266329 (1981-05-01), Feller et al.
patent: 4379234 (1983-04-01), Cruz
patent: 4393981 (1983-07-01), Wada et al.

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