Safety device on a printing press

Details Safety device on a printing press Safety device on a printing press

1997-02-10

1998-02-24

Burr, Edgar S.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

200295, 101216, B41F 160

Patent

active

057214107

ABSTRACT:
A safety device on a printing press, including at least one switch, a mechanical protective device changeable in position for operating the switch, the switch being fastened to a frame of the printing press so as to be adjustable in position and releasable from the frame, and connecting elements by the aid of which the switch is firmly seated on a base plate and held immovably on the frame, includes an intermediate plate formed of a relatively soft material disposed between respective fastening surfaces of the base plate and the frame, the intermediate plate being secured in position against movement in a direction parallel to the fastening surfaces, the fastening surface of the base plate having at least one projection formed of a material relatively harder than the relatively soft material of the intermediate plate, the projection being pressable into the relatively soft material of the intermediate plate by holding forces exerted by the connecting elements perpendicularly to the respective fastening surfaces of the base plate and the frame.

REFERENCES:
patent: 4669380 (1987-06-01), Seib et al.
patent: 5178069 (1993-01-01), Rodi
patent: 5487336 (1996-01-01), Simeth

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