Direct drive system for a turbine sander

Details Direct drive system for a turbine sander Direct drive system for a turbine sander

1981-09-01

1983-11-15

Parker, Roscoe V.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51174, 403408, B24B 2300

Patent

active

044147821

ABSTRACT:
A turbine-driven sander includes a direct drive system in which a one-piece thermoplastic shaft is rotatably journalled in a housing and mounts a two-piece turbine at one end and a counterweight and bushing at the other end. A machine screw is inserted through a longitudinal clearance bore in the shaft and clamps the turbine halves, shaft, counterweight and bushing together. The bushing is in turn pressed into a ball bearing, which is mounted in a platen. When the turbine rotates, the platen is oscillated, balanced by the counterweight.

REFERENCES:
patent: 3005224 (1961-10-01), Magarian
patent: 3071799 (1963-01-01), Jepson et al.
patent: 3345784 (1967-10-01), Stelljes et al.

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