Title:
STRUCTURE OF ALARM TIME DETECTION SWITCH
Document Type and Number:
Japanese Patent JPH07270553
Kind Code:
A
Abstract:
PURPOSE: To provide a thin and inexpensive structure for detecting alarm time which exhibits high reliability in spite of employing a mechanical contact system.
CONSTITUTION: The structure of alarm time detection switch comprises a freely rotatable alarm wheel 1 made from a synthetic resin, a tubular wheel 2 rotating at a constant speed, and a contact spring 3 interlocked with the tubular wheel 2 to rotate at a constant speed, and the alarm wheel 1 is produced through dichroic molding of insulating and conductive synthetic resins.
Inventors:
OKUHARA KENICHI
Application Number:
JP6044595A
Publication Date:
October 20, 1995
Filing Date:
March 20, 1995
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
G04B23/02; G04C21/16; H01H19/58; (IPC1-7): G04C21/16; G04B23/02; H01H19/58
Attorney, Agent or Firm:
Kisaburo Suzuki (1 outside)