Title:
KEY SHEET
Document Type and Number:
Japanese Patent JP2005317475
Kind Code:
A
Abstract:
To provide a key sheet for a push button switch, a key top of which is not detached from a gear.
The key sheet comprises: a base sheet 5 made of a rubber-like elastic body; a key top 4 having a lock groove 4e on the side; and a stopper 6, which is set on the base sheet 5 and has a through-hole 6b, where the key top 4 penetrates through the through-hole 6b, a brim of the through-hole 6b enters into the lock groove 4e, and the stopper 6 is locked with the lock groove 4e in a direction away from the key top to the base sheet 5. Therefore, even if the key top 4 is going to be detached from a case 2, the lock groove 4e of the key top 4 is locked at the brim of the through-hole 6b of the stopper 6, and the key top 4 can be kept from detaching.
Inventors:
HIRANO KUNIO
NISHIMURA TAKESHI
SENSUI AKIRA
NISHIMURA TAKESHI
SENSUI AKIRA
Application Number:
JP2004136762A
Publication Date:
November 10, 2005
Filing Date:
April 30, 2004
Export Citation:
Assignee:
POLYMATECH CO LTD
International Classes:
G06F3/02; H01H3/12; H01H13/14; H01H13/70; H01H13/702; (IPC1-7): H01H13/14; G06F3/02; H01H3/12; H01H13/70
Attorney, Agent or Firm:
Shogo Otake