Rotary dial device having a click stop mechanism

A rotary dial device having a click stop mechanism, includes a stationary member; a rotary dial rotatably supported by the stationary member; a ball guide groove formed on the stationary member to extend in a radial direction of the rotary dial; a ball positioned in the ball guide groove; at least o...

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Bibliographic Details
Main Author KOBAYASHI KAZUHARU
Format Patent
LanguageEnglish
Published 01.03.2005
Edition7
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A rotary dial device having a click stop mechanism, includes a stationary member; a rotary dial rotatably supported by the stationary member; a ball guide groove formed on the stationary member to extend in a radial direction of the rotary dial; a ball positioned in the ball guide groove; at least one protrusion and at least one depression which are formed on the rotary dial along one of two imaginary cylindrical surfaces with axes thereof on an axis of the rotary dial, the two imaginary cylindrical surfaces being positioned radially outside and inside the ball guide groove in the radial direction of the rotary dial, respectively; and a cylindrical resilient member positioned along the other of the two imaginary cylindrical surfaces to bring the ball into pressing contact with any one of the protrusion and the depression by resiliency of the cylindrical resilient member.
Bibliography:Application Number: US20030697334