Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1990-10-09
1991-12-17
Gorski, Joseph M.
Metal working
Method of mechanical manufacture
Assembling or joining
29453, B23P 1102
Patent
active
050725050
ABSTRACT:
An apparatus is disclosed for compressing a retainer ring to reduced assembly size and maintaining the compressed ring assembly size at an assembly location by internal containment means. 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 compressed retainer ring is carried to the assembly location outside the compressing means on the mandrel means and is stripped from the mandrel means for final assembly internally in a part. 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.
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Dungba Vo Peter
Gorski Joseph M.
Micro-Precision Operations Inc.
Timmer Edward J.
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