Machine element or mechanism – Elements – Cranks and wrist pins
Patent
1977-09-09
1979-09-25
Scott, Samuel
Machine element or mechanism
Elements
Cranks and wrist pins
85 84, 308 74, 308 15, 308237A, 403368, 403374, F16C 304, F16C 1300, B25G 320, F16B 704
Patent
active
041686365
ABSTRACT:
A refrigeration compressor having a plurality of pistons reciprocated by a crankshaft and in which the crankshaft is made up of two parts that are permanently fixed together by means of a sleeve which is press fit over adjacent ends of the two pieces of the crankshaft. The adjacent ends also have complementary parts which inter-engage with one another so as to hold the throws of the crankshaft parts in proper relationship and timing to one another. A bearing is mounted on the press fit sleeve and a split bearing support then embraces the bearing so as to hold the assembly in precise support in the compressor frame. The split bearing support includes a lower bearing support case to which is bolted an upper semi-circular cap. The support case is also semi-circular and has a radial split cut into it which is bridged by a tapered pin so that upon tightening of the pin the bearing support case is urged apart or expanded to thereby be tightly mounted in the compressor frame.
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Ferrell Don E.
Nilles ames E.
Scott Samuel
Vilter Manufacturing Corporation
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