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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Class 144/130.2 - Planer sharpener


Subclass of Class 144 - Woodworking
Definition: Machine combined with means to restore the sharp cutting
No. of patents: 6
Last issue date: 01/29/1991


NumberTitleIssue Date
4987704Plunge jointer for planer knives
A base is arranged to be secured to the support frame of a planer and supports a slide for movement toward and away from the planar knife head. The slide supports a grinding stone, and a lever connected between the base and the slide is arranged to move t...
01/29/1991
4581856Apparatus for high tooth equalization of cutters
Methods and apparatus for equalizing the effective radii of multiple cutting elements on a power-driven spindle of a machine tool. A fixture carrying an abrasive stone is placed upon a pre-existing workpiece supporting or guiding surface in the machine to...
04/15/1986
4545413Device for use in wood chippers
Device for use in connection with wood chippers of the type comprising a rotary disc (15) whereof one face is fitted with substantially radially positioned knives (1) which are attached thereto by means of knife holders (2) incorporating a log guiding sur...
10/08/1985
4512114Method for high tooth equalization of cutters
Methods and apparatus for equalizing the effective radii of multiple cutting elements on a power-driven spindle of a machine tool. A fixture carrying an abrasive stone is placed upon a pre-existing workpiece supporting or guiding surface in the machine to...
04/23/1985
4442636Dual head edge sharpening device for skis
An edge sharpening device that simultaneously sharpens the edge faces on both sides of the skis has a hand-grippable support (31) capable of changing in length that carries a pair of opposed edge sharpening heads (32, 33). The heads are movable to a sprea...
04/17/1984
4337808Super-surfacer
A super-surfacer used for super-finishing a surface of timber, wherein the shaving blade has a length which is much larger than the width of the working table and is arranged to be movable reciprocally in a direction transversely to the timber feeding dir...
07/06/1982
 
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