Metal working – Means to assemble or disassemble – Spring applier or remover
Patent
1989-04-14
1991-01-08
Gorski, Joseph M.
Metal working
Means to assemble or disassemble
Spring applier or remover
29222, 2924356, B23P 1904
Patent
active
049824848
ABSTRACT:
The apparatus typically includes a ring compressing assembly for compressing the ring from the exterior and mandrel means disposed in the compressing means and around which the ring is compressed to assembly size. The mandrel means includes a lug-retaining groove means into which retainer ring lugs having special flats are compressed and retained interiorly of the ring to hold the ring at reduced assembly size. The ring compressing assembly is carried on a first slide for movement between a ring load position and a ring assembly position. A ring pusher mechanism is carried on a second slide that is operably connected to the first slide for movement in unison therewith as the ring compressing assembly is moved between the ring load position and the assembly position. After the ring compressing assembly is positioned at the assembly position, an actuator carried on the second slide and connected to the first slide moves the second slide toward the first slide to cause ring pusher rails on the second slide to move the ring through the compressing assembly and onto the article. The first slide is held stationary against a stop by the second slide during movement of the ring through the compressing assembly.
REFERENCES:
patent: 1392819 (1921-10-01), Davis
patent: 2491310 (1949-12-01), Heimann
patent: 2524273 (1950-10-01), Saler
patent: 2840892 (1958-07-01), Erdmann
patent: 2870529 (1959-01-01), Erdmann
patent: 3134168 (1964-05-01), Erdmann
patent: 3469494 (1969-09-01), Frailly
patent: 4313696 (1982-02-01), Horten
"Selector Guide: Special Rings" product literature published by Truare Inc. Reprinted Apr., 1987.
Gorski Joseph M.
Micro-Precision Operations Inc.
Vo Peter D. B.
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