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:
May. 17, 1977
Filed:
Dec. 15, 1975
Henry R Killian, Sugarland, TX (US);
Keystone International, Inc., Houston, TX (US);
Abstract
The present invention pertains to an actuator having a unique universal-type joint assembly incorporated therein. The actuator comprises a stationary member and a movable member mounted for movement with respect to the stationary member. The actuator further comprises a first drive means, such as a drive screw, and linkage means connects the first drive means to the stationary member and provides universal-type movement. The linkage means includes a substantially non-torque-absorbing thrust transmitting element. A second drive means, such as a drive nut, is threadedly connected to the drive screw for reciprocation therealong and is also connected to the movable member of the actuator.