Woodworking – Planer – Planer sharpener
Patent
1999-11-02
2000-10-17
Bray, W. Donald
Woodworking
Planer
Planer sharpener
1441171, B27C 100
Patent
active
061316288
ABSTRACT:
A planing machine includes a machine base with two mounting sides and feed-in and take-out sides, and two pairs of upstanding posts that extend upwardly from the mounting sides. A cutter carriage is disposed above the machine base, and is movable along the posts, and has a front side extending in a transverse direction and proximate to the feed-in side, a rear side, and a lowermost surface between said front and rear sides and cooperating with the machine base to define a workpiece passage therebetween. A material removal indicator assembly includes a ball retention groove formed in the cutter carriage and in communication with the workpiece passage, a ball member rotatably and movably disposed in the ball retention groove and having a lowermost protruding area extending outwardly of the ball retention groove and into the workpiece passage, and an uppermost lifting area. The lowermost protruding area and the uppermost lifting area are provided with lowermost and uppermost contact points defining an upright length which remains constant during rotation of the ball member in the retention groove. A pointer has a pivot portion pivotally mounted on the cutter carriage at a level above the ball retention groove, a pointing portion, and an intermediate portion resting on the uppermost contact point of the ball member.
REFERENCES:
patent: 5725035 (1998-03-01), Shadeck
patent: 5771949 (1998-06-01), Welsh et al.
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