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:
Jan. 11, 2000
Filed:
Jan. 18, 1996
James E Laster, Greensboro, NC (US);
Frank Walton York, Jr, Greensboro, NC (US);
Other;
Abstract
An adjustable arbor for maintaining one or more cutting elements which includes a shaft, one or more runners associated with the shaft and runner displacing pistons aligned with the runners and selectively displacing them to engage the cutting elements and secure those elements to the shaft. The runner displacing pistons are activated by pressurized fluid passing through channels communicating with the pistons and are relaxed when the fluid source is deactivated. The runners are urged radially upwardly against a cutting element holding ring when activated and are withdrawn when deactivated so that the cutting elements can be rearranged on the shaft.