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:
Apr. 09, 1985
Filed:
Mar. 18, 1982
James H Carpenter, Hagerstown, MD (US);
Donald G Corderman, Hagerstown, MD (US);
Kennecott Corporation, Cleveland, OH (US);
Abstract
This invention relates to the mounting of vanes on a runnerhead of an abrasive blasting machine. The face of the runnerhead is provided with slots in which bases of vanes are slid in a generally radial direction with the base having an interlock with the runnerhead so as to retain the vane against movement normal to the face of the runnerhead. This invention particularly has to do with the locking of the vane base in the runnerhead slot. A locking pin is used which is preferably rectangular as opposed to the usual circular pin and the outer ends of the runnerhead slot and vane base are provided with cooperating slots and grooves which receive the pin, the pin being inserted in a first groove and slot arrangement at an angle to the axis of the base and then rotated or pivoted into a second groove and slot arrangement where it is locked in place against retrieval. The pin is locked in place by the outwardly movement of the vane from its pin inserting position. Certain embodiments of the invention have a safety feature in when the vane is in the pin receiving position, the inner end of the vane will engage a lug case on the outside of the impeller case so as to prevent rotation of the runnerhead.