Speed changing device

Details Speed changing device Speed changing device

1981-11-02

1984-06-19

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74527, 116 281, 116 67R, G05G 520, G08B 302, B62K 2306

Patent

active

044547846

ABSTRACT:
A speed-changing device which supports an operating lever rotatably to a fixing member having a lever shaft, the lever being provided at a boss thereof with a cavity, the fixing member being provided with a support member entering into the cavity, the cavity housing therein a sound generating mechanism comprising a plurality of recesses and an engaging member, so that a sound generated by the engagement of engaging member with each recess is amplified by resonance of said cavity.

REFERENCES:
patent: 3352173 (1967-11-01), Freeland
patent: 3570325 (1971-03-01), Kroll et al.
patent: 3677096 (1972-07-01), Hatman
patent: 4155270 (1979-05-01), Juy
patent: 4343201 (1982-08-01), Shimano

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