Crankcase manufacturing method

Details Crankcase manufacturing method Crankcase manufacturing method

1987-05-26

1988-01-19

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29412, 29428, 74606R, B23P 1500

Patent

active

047196777

ABSTRACT:
An improved crankcase structure for engine blocks and the like, may be fabricated wherein the crankcase is initially cast or otherwise formed with bearing caps integral therewith. The caps are preferably secured by severable connecting portions unidirectionally longitudinally adjacent their associated bearing receiving portions in the transverse webs of the cylinder block. The complete crankcase is then machined and the bearing caps are separated for subsequent assembly to the crankcase in conventional fashion. Consequently, the invention reduces the amount of tooling and machining time and equipment required for manufacturing crankcases for engine blocks and the like.

REFERENCES:
patent: 1433821 (1922-10-01), Hull
patent: 1560342 (1925-11-01), Foster
patent: 2098451 (1937-11-01), Gilmore
patent: 4674455 (1987-06-01), Tsuboi

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