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:
Feb. 03, 1986
Filed:
Nov. 06, 1984
John B Riester, Morgantown, WV (US);
David M Miller, Metz, WV (US);
Lloyd E Postlethwait, Fairmont, WV (US);
Abstract
An improved dust control apparatus for a shearing machine which has attached thereto a spray bar apparatus mounted to and extended from said shearing machine and containing a curtain for dust control and a plurality of spray heads along said spray bar, an improvement in the spray bar apparatus is provided by mounting an extendable spray bar to said spray bar with a hydraulic cylinder attached to said extendable spray bar so that it can be extended or retracted as said shearing machine reaches the end of its cut so that said extendable portion is not damaged when the shearing machine reaches the end of its cut. The extendable portion includes spray heads and a curtain for dust control purposes.