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:
Feb. 03, 1987
Filed:
Jan. 18, 1985
Applicant:
Inventors:
Andrew C Emerson, Royston, GB;
Stephen A Foster, Clophill, GB;
Assignee:
Ling Dynamic Systems Limited, Hertfordshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ;
U.S. Cl.
CPC ...
310 27 ; 310 13 ;
Abstract
An armature structure for an electrodynamic shaker comprises an armature support and an armature coil assembly mounted on the support. The coil assembly includes a cladding, or alternatively a spine, of a carbon fibre material. Preferably the carbon fibres extend generally longitudinally of the armature, that is to say in its direction of motion.