The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 20, 2002
Filed:
Aug. 16, 2000
Fumihito Imai, Tokyo, JP;
NEC Corp., , JP;
Abstract
It is an object to attain simplification of the device assembly work and lowering of the cost, and to raise the water proof and dust proof effect. The structure includes an instrument case ( ) having a key insertion hole ( ) open to the inside and outside of the case, a key base ( ) contained in this instrument case ( ) and having a switch contact point portion, and a key seat ( ) which is provided on the switch contact point portion side of this key base ( ) and which is made of a flexible member having a key ( ) inserted into the key insertion hole ( ) and a switch thrust piece ( ) corresponding to the switch contact point portion on the seat surface side and on the seat reverse side, respectively, and it is configured such that a frame-like rib ( ) which is pressed and brought into contact with the inside opening periphery of the key insertion hole ( ) and which surrounds the side portion of the key ( ) is provided integrally to this key seat ( ).