Method of assembling piston ring and method of assembling set oi

Details Method of assembling piston ring and method of assembling set oi Method of assembling piston ring and method of assembling set oi

1993-04-20

1994-04-19

Cuda, Irene

Metal working

Means to assemble or disassemble

Multiple station assembly or disassembly apparatus

29222, 29783, 29888044, B23P 1500

Patent

active

053034651

ABSTRACT:
A piston ring is assembled into a groove of a piston by pushing the piston ring out of a front end of a guide member. The piston ring is mounted on an outside of the guide member which has a diameter larger than an outside diameter of the piston. The pushing is carried out while maintaining a clearance which allows for the piston ring to undulate. This clearance is formed between a front end of the guide member and a plane including a groove surface which lies away from the front end of the guide member. The apparatus for assembling a set oil ring into a piston ring groove of a piston has a guide member which is larger in diameter than an outside diameter of the piston, pushing device for pushing, in sequence out of a front end of the guide member, a spacer ring and a pair of side rail rings, a restricting member which is movable back and forth in a radial direction of the guide member and which can be placed with a clearance to be formed to open into that groove portion which is formed between that groove surface of the piston ring groove which is closer to the guide member and the spacer ring assembled into the piston ring groove.

REFERENCES:
patent: 3754312 (1973-08-01), Komorek
patent: 3793695 (1974-02-01), Carter
patent: 4047276 (1977-09-01), Albers
patent: 4967459 (1990-11-01), Garnier

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