Title: Chain saw tool

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1. A chain saw gauge comprising

a plate having a file guide disposed at the top thereof for guiding a chain saw sharpening file at a 35.degree. angle across the cutting edge of a cutter link of a saw chain held against said plate,

a precise set of graduated projections formed along the edge of said plate for measuring the width of the cutter bar groove.

a precise set of graduated recesses formed in the edge of said plate for measuring the chain gage,

a set of precisely aligned circular holes disposed in said plate at graduated predetermined distances for measuring the chain pitch,

a trapezoidal recess formed in one edge of said plate with precise graduations disposed along the base edge of said recess for measuring the cutting tooth top plate length, and

one or more holes formed in said plate and disposed at predetermined different heights below a surface of said plate whereby the height of the depth gauge of a chain saw cutter tooth can be measured.

2. A chain saw gauge comprising

a plate having a file guide disposed at the top thereof for guiding a chain saw sharpening file at a 35.degree. angle across the cutting edge of a cutter link of a saw chain held against said plate,

a precise set of graduated projections formed along the edge of said plate for measuring the width of the cutter bar groove,

a precise set of graduated openings formed in said plate for measuring the chain gage,

a set of precisely aligned circular holes disposed in said plate at graduated predetermined distances for measuring the chain pitch,

a trapezoidal opening formed in said plate with precise graduations disposed along one edge of said recess for measuring the cutting tooth top plate length, and

means formed on said plate for measuring the height of the depth gauge of a chain saw cutter tooth.

Other info:

Inventors: Granberg, Elof (Richmond, CA, US)

Application Number: 540429
Filing Date: 1975-01-13
Publication_date: 1976-02-03
Assignee:
Primary Class(es): 76/74 33/202
Other Classes:
US Patent Ref:

2682791	Jul, 1954	Lahaie	33/202.
2705376	Apr, 1955	Cox	33/202.
2898782	Aug, 1959	Consoletti	76/25.
3055115	Sep, 1962	Tyrrell	33/202.
3055238	Sep, 1962	Hazzard	76/25.
3338116	Aug, 1967	McLean	76/25.
3365805	Jan, 1968	Carlton	33/202.

Other Refs:
Primary Examiner: Smith, Al Lawrence
Assistant Examiner: Godici, Nicholas P.
Attorney: Bruce & McCoy