Movable blade unit for wood cutting machine

Details Movable blade unit for wood cutting machine Movable blade unit for wood cutting machine

2009-03-30

2010-11-16

Self, Shelley (Department: 3725)

Woodworking

Rotary cutter

Gang of disk cutters

C407S031000, C083S498000, C083S504000, C083S508300, C083S676000

Reexamination Certificate

active

07832436

ABSTRACT:
A movable blade unit for wood cutting machine is mounted to the rotating shaft of the wood cutting machine and includes a blade and an inner ring which is located between the blade and the rotating shaft. A movable ring is connected to the movable blade unit and includes a flange, an outer collar and the inner ring, wherein the flange is connected to the outer collar which is rotatably connected to the inner ring. The inner ring is mounted to the rotating shaft and a gap is defined between the inner ring and the rotating shaft. The inner ring includes multiple sets of rotating members which are in contact with the grooves in the rotating shaft so that the inner ring is rotatable and movable relative to the rotating shaft with little or reduced friction.

REFERENCES:
patent: 5433563 (1995-07-01), Velepec
patent: 5996659 (1999-12-01), Burgess
patent: 7520305 (2009-04-01), Churchland et al.

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