Automatic safety stop mechanism

Details Automatic safety stop mechanism Automatic safety stop mechanism

1975-03-31

1976-07-20

Hunter, H. Hampton

Sewing

Special machines

Buttonhole

112219R, D05B 300

Patent

active

039700135

ABSTRACT:
Stop mechanism which prevents actuation of the machine if an orientating means associated therewith has not returned to its proper position. This mechanism includes a series of levers which are forced into an abutting relationship with one another if the work cycle of the orientating means is not fully completed prior to full actuation of said machine.

REFERENCES:
patent: 1544739 (1925-07-01), Grieb
patent: 2116889 (1938-05-01), Gunther
patent: 2361032 (1944-10-01), Ibbott
patent: 2440227 (1948-04-01), Wood
patent: 2609773 (1952-09-01), Nelson
patent: 3509838 (1970-05-01), Bowin

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