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:
Apr. 21, 1992
Filed:
Dec. 26, 1990
Applicant:
Inventors:
Noriyuki Matsuoka, Yokohama, JP;
Kazumi Uratsuji, Tokyo, JP;
Assignee:
Yamaichi Electric Mfg. Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01R / ;
U.S. Cl.
CPC ...
439 71 ; 439 70 ; 439526 ;
Abstract
An IC socket comprises a socket board having an IC mount table. Contacting portions of tips of a plurality of contacts arranged in parallel relation on the socket board are inserted into a plurality of positioning holes which are arranged in parallel relation on a marginal portion of the IC mount table in order to contact with corresponding contacting pieces of an IC which is placed on the IC mount table. Dividing ridges are formed by lower ends of the partition walls on the entrance side thereof for the contacts, the dividing ridges being formed between the adjacent positioning holes arranged in parallel relation.