Speed regulating device of phonograph

Speed regulating device of phonograph

The utility model discloses a phonograph speed regulating device, which belongs to the technical field of phonographs and comprises a base, a speed regulator fixedly mounted on the front surface of the base, a contact pin fixedly connected to the rear surface of the speed regulator, a switch fixedly...

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Hauptverfasser: WANG FU, YU XIAOYONG, LI TONGCAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator WANG FU
YU XIAOYONG
LI TONGCAN
description The utility model discloses a phonograph speed regulating device, which belongs to the technical field of phonographs and comprises a base, a speed regulator fixedly mounted on the front surface of the base, a contact pin fixedly connected to the rear surface of the speed regulator, a switch fixedly mounted at the bottom end in the speed regulator, a pressure rod fixedly connected to the top end of the switch, and a mounting frame fixedly connected to the top end of the pressure rod. A notch is formed in the top end of the mounting frame, the mounting frame penetrates through the top end of the speed regulator, and balls are in rolling connection with the interior of the mounting frame and penetrate through the notch in the top end of the mounting frame; according to the utility model, the rotation of the knob arranged on the speed regulator is utilized to enable the push rod to push down the ball, so that the top ends of the switches are pressed by the mounting frame and the pressing rod, the rotating speed
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title Speed regulating device of phonograph
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