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Title:
SWITCH STRUCTURE FOR ALARM CLOCK
Document Type and Number:
Japanese Patent JP2000131464
Kind Code:
A
Abstract:

To provide a switch structure for an alarm clock, in which a push switch is operated satisfactorily when the end of a push button is depressed and which is hardly to be damaged.

A hole part 2 which is formed in the surface of a frame body is provided. In addition, a guide protrusion 3d and a guide protrusion 3d which are fixed to, and installed at, the inside of the frame body are provided. In addition, a movement base 40 in which a spherical protrusion 35 is formed on the surface and which is guided by the guide protrusions 3d, 3d so as to be movable in the up-and-down direction is provided. In addition, a tact switch 12 and a tact switch 12 which are fixed at the inside of the frame body and which are brought into contact with, and coupled to, the rear surface of the movement base 40 are provided. In addition, a snooze button 30 wherein a spherical recessed part 23 which is formed in the central part on the rear surface and which is play-fitted to the spherical protrusion 35 is comprised, a removal preventive part 22 which is coupled to the inner face of the hole part 2 so as to prevent its removal comprises, and a pressure part 21 which is inserted into, and passed through, the hole part 2 so as to protrude to the outer direction of the hole part 2 is comprised, is provided. Consequently, when the pressure part 21 is pressed, the spherical protrusion 35 is slid on the spherical recessed part 23 so as to be guided by the guide protrusions 3d, 3d, and the movement base 40 is moved to the lower direction. As a result, a strong force does not act between the snooze button 30 and the movement base 40, and a switch structure is not damaged.


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Inventors:
NAKAMURA NORIHIKO
Application Number:
JP30908098A
Publication Date:
May 12, 2000
Filing Date:
October 29, 1998
Export Citation:
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Assignee:
RHYTHM WATCH CO
International Classes:
G04B23/03; G04C21/02; G04C21/16; (IPC1-7): G04B23/03; G04C21/02; G04C21/16



 
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