Vane retention apparatus for abrasive blasting mechanism

Details Vane retention apparatus for abrasive blasting mechanism Vane retention apparatus for abrasive blasting mechanism

1983-06-06

1984-09-18

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24C 506

Patent

active

044715838

ABSTRACT:
This 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 particularly has to do with the locking of the vane base in the runnerhead slot. The pin is 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 outward movement of the vane from its pin inserting position. The machine has a safety feature in that when the vane is in the pin receiving position, the inner end thereof will engage a lug cast on the outside of the impeller case so as to prevent rotation of the runnerhead.

REFERENCES:
patent: 2119812 (1938-06-01), Hamren
patent: 2369408 (1945-02-01), Rosenberger
patent: 2869289 (1959-01-01), Gossard
patent: 3241266 (1966-03-01), Bowling, Jr.
patent: 3383804 (1968-05-01), Haider
patent: 3872624 (1975-03-01), Ramaswamy
patent: 3945150 (1976-03-01), Beckner

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