Rotary marking tool

Details Rotary marking tool Rotary marking tool

1975-06-04

1976-12-21

Crowder, Clifford D.

Printing

Embossing or penetrating

Special-article machines

101 23, 101235, B44B 502

Patent

active

039981517

ABSTRACT:
A rotary marking tool in which a marking wheel having raised characters for marking a workpiece is rotatably connected to one face of a block, is disclosed. Cooperating with the marking wheel is a pawl pivotally connected likewise to the block adjacent to the marking wheel. A tension spring is anchored at its opposite ends to a portion of the pawl and to a stop-pin affixed to the marking wheel, the spring acting to urge a beak of the pawl against the periphery of the marking wheel, whereby the stop-pin on the marking wheel is urged into contact with an abutment on the block to, thereby, define an at-rest position of the marking wheel. Upon rotation of the marking wheel in a direction away from its at-rest position, the beak of the pawl is adapted to penetrate a notch formed in the periphery of the marking wheel remote from the stop-pin. Once the beak penetrates the notch, the wheel is prevented from continuing its rotation away from its at-rest position. However, the pawl can be manually pivoted to remove the beak from the notch and, thereby, allow the spring to return the wheel to its at-rest position.

REFERENCES:
patent: 1978330 (1934-10-01), Scholtes
patent: 2417865 (1947-03-01), Douglass
patent: 2676534 (1954-04-01), Norris et al.
patent: 2996977 (1961-08-01), Friedman
patent: 3053172 (1962-09-01), King
patent: 3487777 (1970-01-01), Friedman
patent: 3640212 (1972-02-01), Friedman

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