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.

Date of Patent:
Mar. 10, 1987

Filed:

Jul. 10, 1985
Applicant:
Inventors:

Yoshikuni Doki, Yokohama, JP;

Masatoshi Fujiwara, Yokosuka, JP;

Tatsuhide Shiga, Zushi, JP;

Yohsuke Shono, Hon-Machi-Nishi, JP;

Mikio Tanaka, Nasemachi, JP;

Yoshihiro Tsuruoka, Fujisawa, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
335222 ; 335229 ; 381189 ;
Abstract

An explosion-proof type electro-displacement converter device comprising a cylindrical first yoke attached through a permanent magnet which is at the center of the bottom of a bowl-shaped second yoke, an exciter coil winding supported elastically by springs and arranged in the magnetic path formed between the yokes, the opening of the bowl-shaped yoke is sealed by a sealing means, and an output stem linked with the exciter coil winding and projecting, leaving an explosion-proof gap, through an opening which penetrates through the bowl-shaped yoke or the sealing means.


Find Patent Forward Citations

Doki, Yoshikuni. (1987). Explosion-proof electro-displacement converter device (U.S. Patent No. 4649359). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4649359

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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