Blade guard system for rotary saws

Details Blade guard system for rotary saws Blade guard system for rotary saws

1988-03-14

1989-07-18

Yost, Frank T.

Cutlery

Cutting tools

Saw

30388, B23D 4516

Patent

active

048480010

ABSTRACT:
A blade guard system for power driven rotary saws having a drive shaft arm rotatable between inboard and outboard cutting positions relative to the chassis, a blade guard disposed about a portion of the saw blade and rotatably attached to the saw blade shaft. An arcuate track slot is disposed on the inner wall of the blade guard adjacent to the drive shaft arm. A blade guard adjust arm is pivotally mounted at one end to the drive shaft arm and the other end of the blade guard adjust arm being releasably attachable at selected locations along the track slot to position the blade guard in desired protective positions. When the blade guard adjust arm is released from the track slot, rotation of the blade guard and the blade guard adjust arm to selected protective positions is permitted without the need to remove the blade guard or blade from the saw blade shaft. The construction and arrangement of the adjust arm, blade guard and track slot provide for improved resistance to fatigue failure of the blade guard as well as facilitating the change from inboard to outboard operating positions.

REFERENCES:
patent: 3513888 (1970-05-01), Townsend et al.
patent: 3735489 (1973-05-01), Zatorsky, Jr.

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