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:
Mar. 27, 2001
Filed:
Sep. 28, 1998
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A key top attachment structure which makes the key-top attachment work easy, prevents the key top from being taken off from the outside, and suppresses looseness of the key top. A spring (,) provided with a rectangular hole (,), and lock portions (,A,,B and,) in which corresponding stoppers (,A,,B and,) of a key top (,) are to be locked respectively, are provided in a casing (,) of a small-sized electronic equipment such as an inter-call receiver or the like. A protrusion (,) which pushes the spring (,) at the time of attachment, a protrusion (,) which abuts against the spring (,) after attachment, a protrusion (,) which turns on a switch (,) on a printed board (,), and the stoppers (,A,,B and,) are provided in the key top (,).