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. 05, 2003
Filed:
Nov. 15, 2000
Linear actuator with threaded captivation sleeve, captive lead screw, and spring pre-load adjustment
Applicant:
Inventor:
Thomas A. Toye, IV, Meriden, CT (US);
Assignee:
Tri-Tech, Inc., Waterbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 5/16 ; H02K 7/08 ; H02K 7/06 ; H02K 7/10 ; H02K 3/700 ; H02K 4/100 ; H02K 3/300 ; H02K 3/500 ;
U.S. Cl.
CPC ...
H02K 5/16 ; H02K 7/08 ; H02K 7/06 ; H02K 7/10 ; H02K 3/700 ; H02K 4/100 ; H02K 3/300 ; H02K 3/500 ;
Abstract
In a preferred embodiment, a linear actuator, including: front and rear end bells; a stator structure; a rotor structure having first and second bearings journaled, respectively, in cavities formed in inner surfaces of the front and rear end bells; a captivation sleeve having its proximal end threadedly inserted in a cavity formed in an outer surface of the front end bell; and all foregoing elements being coaxially aligned to permit the insertion therethrough of a lead screw.