192 clutches and power-stop control – Stop mechanism – Safety device
Patent
1981-11-23
1984-10-30
Bonck, Rodney H.
192 clutches and power-stop control
Stop mechanism
Safety device
192131R, 192134, F16P 306
Patent
active
044795718
ABSTRACT:
A guard for protecting the hand or hands of an operator to limit the extension thereof and prevent entry into a hazardous or danger zone of a machine, such as a stamping press or the like, includes a shield in the form of a transparent or partially transparent rigid plate member which is fixed in spaced relation to the throat or nip point or hazardous region of the press. The plate has an aperture through which the operator may extend a portion of a protective glove in loading and unloading articles into and out of the hazardous region. The glove has a rigid, radially extending cuff or collar surrounding the glove at the wrist portion and having an outer dimension which exceeds that of the aperture formed in the plate. The position of the collar on the glove is related to the position of the plate and the maximum extension of the fingers such that when the glove is inserted through the opening, no part of the hand may enter a predetermined danger zone. The guard plate has a certain degree of lateral and vertical movement in the plane of the plate. A modified form of plate provides a pair of transversely spaced access openings connected by a slot for use with a machine in which elongated work pieces need to be loaded with both hands. A flap normally covers the slot and operates an interlock switch which prevents operation of the machine except when the flap is closed.
REFERENCES:
patent: 2741410 (1956-04-01), Violette
patent: 3806952 (1974-04-01), Viciulis
patent: 3858418 (1975-01-01), Butler
patent: 4195722 (1980-04-01), Anderson et al.
patent: 4220032 (1980-09-01), Smith, Jr.
patent: 4228935 (1980-10-01), Madray
patent: 4321841 (1982-03-01), Felix
Bonck Rodney H.
Merek James J.
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