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:
Jul. 08, 1980
Filed:
Dec. 20, 1978
Applicant:
Inventor:
Frank Zankl, Brookfield, WI (US);
Assignee:
Kearney & Trecker Corporation, West Allis, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q / ; B23Q / ;
U.S. Cl.
CPC ...
409221 ; 33 / ; 5121 / ; 5124 / ; 7481 / ; 74825 ; 269 66 ; 318 39 ; 318602 ;
Abstract
A rotary table is driven by a pair of perpendicularly disposed linear slides which are each driven by a ballscrew drive. One of the linear slides is mounted on the movable member of the other linear slide and is coupled to the rotary table by a crank stud. The linear slides are driven at speeds which vary in accordance with the sine and cosine of the table angle to translate the linear slide motion into rotary motion.