Metal working – Means to assemble or disassemble – Piston ring inserter or remover
Patent
1995-08-07
1998-06-16
Watson, Robert C.
Metal working
Means to assemble or disassemble
Piston ring inserter or remover
269131, 81 343, 81 64, B25B 104
Patent
active
057652724
ABSTRACT:
A ring compressor is provided including a resilient compression band for encircling, and applying a compression force to, the ring, and a band actuation device connected to the compression band for moving the compression band between a decompressed position in which the band ends are spaced and a compressed position in which the band ends are positioned in end to end, nonoverlapping abutment preventing further compression of the ring. The band actuation device may include an outer band encircling the resilient compression band and a hand operated lever assembly. The outer band provides radial support to the ends of the compression band to guide the first and second ends radially into abutment. A ring end axial alignment device may also be provided for guiding the ends of the compression band into axially aligned abutment when in the compressed position. In addition, the ring compressor of the present invention may include a replaceable insert ring which can be removably positioned concentrically within the compression band to permit the ring compressor to be used with piston assemblies of different sizes.
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Costellia Jeffrey L.
Cummins Engine Company, Inc.
Leedom Jr. Charles M.
Watson Robert C.
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