Geometrical instruments – Distance measuring – By flexible tape
Patent
1989-09-08
1990-10-30
Bray, W. Donald
Geometrical instruments
Distance measuring
By flexible tape
33759, 144144R, 1441445R, 144372, G01B 302, B27M 300
Patent
active
049659430
ABSTRACT:
A template system has a series of individual joint-forming templates partially die-cut in a transparent flexible plastic sheet reverse-side printed with a series of linear indicia parallel to each other indicating the position of each cut to be made in a first workpiece. A second series of linear indicia parallel to each other and different in physical appearance in color, line weight or line type, dotted or solid, than the first series of indicia, indicate the position of each cut to be made in a second workpiece. The executed cuts on the two workpieces results in an interfitted joint between the workpieces such as a dovetail or box joint. A number of bands or templates are contained on a plastic sheet which are adhesively mounted on a paper substrate. A full die cut is provided at one end of the strip forming a lift tab which is used to aid in shearing off the partially die-cut strip from a matrix of other strips also partially die cut, so that the individual template strip reference and edge can be mounted in a positioning jig or on a tool work surface at a reference position dictated by the position of the tool bit and the cutting apparatus fence. The jig and/or the cutting fence is then moved in accord with the indicia markings on the strip for each cut to be made on both workpieces in seriatim.
REFERENCES:
patent: 2932897 (1960-04-01), Huber
patent: 3936944 (1976-02-01), Byne
patent: 4351113 (1982-09-01), Eggertsen
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