Handle bar fixing device for a bicycle

Details Handle bar fixing device for a bicycle Handle bar fixing device for a bicycle

1979-11-05

1982-10-19

Dorner, Kenneth J.

Machine element or mechanism

Control lever and linkage systems

Elements

745513, 403104, 403373, 403 47, B62K 2112

Patent

active

043543995

ABSTRACT:
A handle bar fixing device for a bicycle, which is used to fix a handle bar to a cylindrical holding portion attached to the utmost end of a lug provided at a handle stem. At the lug is provided a through bore which extends lengthwise of the lug, opens at one end into the holding portion and at the other end onto the stem body, and has a screw thread in part. A control member with two first and second screw threads different in pitch angle and in the direction of screw, is screwed with the through bore by way of the first screw thread. A pusher having a screw member screwable with the second screw thread is supported axially movably only to a first end portion of the through bore opening into the holding portion. The control member is rotated to force the pusher to move lengthwise of the lug so that the handle bar inserted through the holding portion may be fixed thereto.

REFERENCES:
patent: 1160932 (1915-11-01), Mendelson
patent: 1220648 (1917-03-01), Leader
patent: 1588128 (1926-06-01), Montgomery
patent: 2273102 (1942-02-01), Harris et al.

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