Opening and closing means for hinged trough covers on hopper...

Details Opening and closing means for hinged trough covers on hopper... Opening and closing means for hinged trough covers on hopper...

B - Operations, Transporting

61

D

105/184

B61D 7/24 (2006.01) B61D 39/00 (2006.01)

Patent

CA 1062962

Abstract An elongated hatch opening in the roof of a hopper car includes a pair of hatch covers hinged on opposite sides of the hatch. An operating mechanism includ- ing actuating means supported at the end of the hatch reciproc- ates a pair of push-pull bars positioned within the hatch opening which in turn are connected to elevating rods connected to the underneath sides of the covers, the elevating rods extending inwardly and upwardly in the closed position and have a universal joint connection with the covers. Upon movement of the push pull bars e elevating rods move the hatch covers to an upright open position. The elevating rods and the push pull bars way be located internally or externally of the hatch covers, i.e., inwardly or outwardly of the hopper car body.

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