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:
Mar. 07, 1978
Filed:
May. 13, 1977
Paul J Staebler, Dunlap, IL (US);
Caterpillar Tractor Co., Peoria, IL (US);
Abstract
An improved apparatus for machining the end walls of slant axis rotary mechanisms of the type having a base, a support pivoted on the base for rotation about a first axis, a shaft journalled on the support for rotation about a second axis nonparallel to the first axis, a work holder carried by the shaft for receiving a housing element of a slant axis rotary mechanism to have an end wall machined thereon, a tool adjacent the work holder operable to perform a machining operation on a housing element received on the work holder, a drive for rotating the shaft, and a mechanism responsive to rotation of the shaft for oscillating the support about the first axis in timed relation to rotation of the shaft. The improvement includes a mechanism for oscillating the shaft along the second axis at a desired rate to cause the end wall being machined to have a surface configured to compensate for deflections occurring during operation of the mechanism in which the machined housing is to be employed and a mechanism for cyclically advancing and retarding the position of the tool peripherally adjacent the work holder in timed relation to rotation of the shaft, enabling the use of a larger tool and therefore increasing the speed of the machining operation.