Flywheel and crank apparatus

Details Flywheel and crank apparatus Flywheel and crank apparatus

1997-10-21

1999-04-20

Marmor, Charles A.

Machine element or mechanism

Elements

Cranks and wrist pins

74597, 1231974, F16C 1102

Patent

active

058947639

ABSTRACT:
A split flywheel and crank pin apparatus having a pair of flywheels held in a preselected spaced relationship to rotate about a common axis by a pin spaced from the axis. The pin has a central section and opposed ends. Each end has an undulating surface with a continuously varying radius for a circumferential path along the surface and a constant radius along a path on the surface parallel to a main axis of the pin. The pin ends are snugly received in bores in respective flywheels that have internal surfaces that mirror the pin end surfaces. The pin ends are separated from the pin central section by shoulders that abut facing surfaces of the flywheels. The pin is held in each flywheel by a nut. The pin includes lubricating passageways for lubricating a journal surface of the pin central section.

REFERENCES:
patent: 344930 (1886-07-01), Woodbury
patent: 1024817 (1912-04-01), Arnold
patent: 1690296 (1928-11-01), Hirth
patent: 1717572 (1929-06-01), Martin et al.
patent: 2364109 (1944-12-01), Taylor
patent: 2380099 (1945-07-01), Dusevoir
patent: 2448742 (1948-09-01), Smith-Clarke et al.
patent: 2747428 (1956-05-01), Peter et al.
patent: 5207120 (1993-05-01), Arnold et al.
Hot Rod Bikes; Nov. 1995; vol. 2, No. 6.

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