Process of manufacturing a centrifugal angular advance device fo

Metal working – Method of mechanical manufacture – Assembling or joining

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29445, 29DIG21, 29526R, 64 25, 123117R, B23P 1900

Patent

active

041831314

ABSTRACT:
A centrifugal angular advance device for internal combustion engines is provided with a pair of weights and an advance plate engaged with the pair of weights for provision of an angular advance. Each of the pair of weights comprises a blank or integrated blanks and a drive pin secured to the blank or integrated blanks for driving the advance plate. The blank or integrated blanks is hardened after a bushing having no effect on the hardening has been provided in the hole of the blank or integrated blanks for the drive pin. The bushing is precisely finished by reaming with a reamer, then the drive pin is press-fitted into the bushing. Thus the weight is completed.

REFERENCES:
patent: 2699657 (1955-01-01), Vogel
patent: 2800809 (1957-07-01), Pike
patent: 3098366 (1963-07-01), Frank
patent: 3424875 (1969-01-01), Ojala
patent: 3923028 (1975-12-01), Campbell et al.
patent: 3942492 (1976-03-01), Iguchi
patent: 4075752 (1978-02-01), Brammer et al.

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