Title:
KNOB DEVICE OF SWITCH
Document Type and Number:
Japanese Patent JPH04195310
Kind Code:
A
Abstract:
PURPOSE:To protect a user against unexpected danger by providing a spring for energization between a knob protection frame and a reception plate fitted to a shaft support part, and fitting the protection frame slidably. CONSTITUTION:A push-and-turn type control part 22 is fixed to a metallic fitting plate 21 with a nut 23. The protection frame 30 provided with a lock part 28 locked to the step part 27 of a knob 26 is fitted to the reception plate 24 across a compression spring 31 and then the knob 26 is fitted in a shaft 22-a. The compression spring 31 provided between the reception plate 24 and knob protection frame 30 enables the protection frame 30 to freely slide in its slide direction by the intervention of the knob 26. The surface exposed part of the knob 26 is in level with the surface of the protection frame 30 or recessed when not loaded. A scale for a standard of thermal power control is printed on a display plate 29.
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Inventors:
MERA TAKAFUMI
KUBO YOSHINOBU
KUBO YOSHINOBU
Application Number:
JP32852690A
Publication Date:
July 15, 1992
Filing Date:
November 27, 1990
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G05G1/08; F24C7/08; F24C15/00; G05G1/00; (IPC1-7): F24C7/08; F24C15/00; G05G1/08
Attorney, Agent or Firm:
Akira Kobiji (2 outside)