Perimeter guard for a machine

Details Perimeter guard for a machine Perimeter guard for a machine

1982-09-30

1985-02-12

Dorner, Kenneth J.

192 clutches and power-stop control

Stop mechanism

Safety device

74612, 53 77, 493 38, 49445, 49450, 49464, F16P 100

Patent

active

044985673

ABSTRACT:
A perimeter guard for a machine wherein a plurality of vertical posts are spaced about a machine. Each post is H-shaped and has lateral flanges projecting from it to create vertical channels on each side of the post. A transparent window is slidably mounted in one set of perimeter channels to form an upper guard and a lower pannel is slidably mounted in the other set of opposed channels.
A counterbalance is provided for the windows and a detent is provided for locking the lower panels in their lowermost position or in a raised position.

REFERENCES:
patent: 390919 (1888-10-01), Tuchfeld
patent: 676558 (1907-06-01), Hoyt
patent: 780840 (1905-01-01), Tracy
patent: 2033086 (1936-03-01), Schunk
patent: 2767426 (1956-10-01), Grupp
patent: 2791796 (1957-05-01), Haas
patent: 2965935 (1960-12-01), Olsen
patent: 3654821 (1972-04-01), Mikulin
patent: 3747274 (1973-07-01), Moorman et al.
patent: 3996815 (1976-12-01), Walker
patent: 4363267 (1982-12-01), Greer
patent: 4392771 (1983-07-01), Smalley

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