Method and fixture for reaming piston pin bushings in connecting

Details Method and fixture for reaming piston pin bushings in connecting Method and fixture for reaming piston pin bushings in connecting

1975-10-28

1977-08-09

Husar, Francis S.

Cutting by use of rotating axially moving tool

Processes

Bit detachable

33180B, 408 79, 408707, B23B 3500, B23B 4112

Patent

active

040407632

ABSTRACT:
The invention discloses a fixture for holding the connecting rod from an internal combustion engine for the purpose of precision reaming the bushing in the piston pin end of said connecting rod. The fixture is uniquely adaptable to various connecting rod lengths by simply rotating an eccentric member to an appropriate index position. Various crankshaft diameters can be accommodated by the use of appropriate adapter sleeves on the eccentric bushing. Different size piston pin diameters may be accommodated by simply inserting the proper reamer guide bushing and use of an appropriate diameter conical centering bushing. Additional holes also can be provided in an indexing plate member of the fixture to extend the range of connecting rod lengths that can be handled with the fixture. The fixture is also adapted to be made with a blank indexing plate member, which can be drilled by the user for various connecting rod lengths.

REFERENCES:
patent: 1604940 (1926-10-01), Hempy
patent: 1637508 (1927-08-01), Aab
patent: 1763917 (1930-06-01), Aab
patent: 1810214 (1931-06-01), Johnson
patent: 1905102 (1933-04-01), Johnson
patent: 2218380 (1940-10-01), Evans
patent: 2731858 (1956-01-01), Evans
patent: 2844053 (1958-07-01), Wagner et al.

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