Bicycle hanger structure

Details Bicycle hanger structure Bicycle hanger structure

1994-03-28

1995-12-12

Lorence, Richard M.

Machine element or mechanism

Elements

Cranks and pedals

384545, G05G 114, F16C 902

Patent

active

054739624

ABSTRACT:
In the bicycle hanger structure of the invention, a slope such as taper surface or spherical surface formed at one end side of a sleeve of a crankshaft unit is adjusted to a corresponding slope of a hanger, and the other end side is screwed and fixed in the corresponding hanger, so as to be screwed to the hanger only at one side. As a result, effects of deformation of female threads due to thermal deformation of right and left lugs of the hanger do not act on the rotation condition of the crankshaft, and one or both of processing of female threads on the right and left lugs of the hanger may be omitted, and screwing is required only in one position for mounting the crankshaft and the assembling of crankshaft is easy and working efficiency is enhanced, thereby obtaining a bicycle hanger structure not spoiling the rotation condition of the crankshaft.

REFERENCES:
patent: 4605321 (1986-08-01), Brandenstein et al.
patent: 5181437 (1993-01-01), Chi

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