Machine element or mechanism – Elements – Guard mechanisms
Patent
1982-06-24
1985-07-16
Dorner, Kenneth J.
Machine element or mechanism
Elements
Guard mechanisms
74616, 192134, F16P 100
Patent
active
045288682
ABSTRACT:
A barrier guard for a machine having a machine surface including spaced brackets mounted on the machine, spaced elongated links pivotally mounted on the spaced brackets, a grille mounted for sliding movement in first slots in the elongated links, second slots in the brackets, followers attached to the grille and located in the second slots to cause the grille to move rectilinearly in the first slots when the elongated links are caused to pivot, and a base bar on the grille for providing progressively greater clearances from the machine surface when the base bar moves in a predetermined direction.
REFERENCES:
patent: 1105106 (1914-07-01), Shinski
patent: 1178168 (1916-04-01), MacDonald et al.
Dorner Kenneth J.
Gastel Joseph P.
Niagara Machine & Tool Works
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