Computerized circuit arrangement for jig saw

Details Computerized circuit arrangement for jig saw Computerized circuit arrangement for jig saw

1984-03-07

1986-12-09

Smith, Jerry

Boots, shoes, and leggings

364189, 30393, 83776, G06F 1546

Patent

active

046284591

ABSTRACT:
A circuit arrangement including a computer is built in an electrical jig saw where various data or information, such as the sort of the material of the workpiece, the thickness of the workpiece, desired degree of finish and way of cutting, are manually inputted via a keyboard so that the computer selects and determines optimum working condition, such as the sort of blade to be used, the locus of the blade, blade strokes per minute which is in proportion to the motor speed, and the necessity of application of coolant oil. The circuit arrangement also comprises circuitry for automatically controlling the rotational speed of the motor of the jig saw so that an actual speed of the blade equals a desired speed represented by strokes per minute. A display unit is coupled with the computer for indicating input and output data of the computer for supplying visual information to the user of the jig saw.

REFERENCES:
patent: 4272821 (1981-06-01), Bradus
patent: 4288851 (1981-09-01), Manabe et al.
patent: 4305128 (1981-12-01), Manabe et al.
patent: 4513381 (1985-04-01), Houser et al.

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