Metal tools and implements – making – Saw-making or furbishing device or machine – Sharpening and gumming
Patent
1983-11-18
1986-06-17
Parker, Roscoe V.
Metal tools and implements, making
Saw-making or furbishing device or machine
Sharpening and gumming
29 80, B23D 6310, B23D 6316
Patent
active
045949190
ABSTRACT:
Chain saw sharpening apparatus that incorporates a rotary file replaceably journaled in a guide structure, with the file coupled to or adapted to be coupled to an electric driving motor. The guide structure has finger or handgrip at one end remote from the motor, and the latter is provided with a handgrip or can be hand-gripped directly. The rotary file is provided adjacent its end remote from the motor with a radial enlargement that is at least in part defined by a surface of revolution enabling its function as a stop or as a thrust bearing. A guide bracket is provided that can be mounted on the chain saw bar; such bracket being provided with adjustable upstanding guide pins for coacting with guide slots in the guide structure.
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Breidenthal Robert E.
Parker Roscoe V.
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