Movable or removable closures – Mounted for optional movements – On alternative axes
Patent
1979-12-20
1981-06-09
Downey, Kenneth
Movable or removable closures
Mounted for optional movements
On alternative axes
49255, 49261, 49191, 52192, 52196, E05D 1552
Patent
active
042716322
ABSTRACT:
The silo door of the present invention is adapted to fit in closing relation over an opening in the silo wall. The door is connected to the silo by a hinge which permits the door to swing about a vertical axis located adjacent one of the vertical side edges of the opening. A bracket connects the hinge to the door and permits inward tilting movement of the door with respect to the hinge about a horizontal tilt axis. A latch is provided for selectively detachably securing the door to the silo in rigid covering relationship over the opening.
REFERENCES:
patent: 1126653 (1915-01-01), Pascoe
patent: 1130307 (1915-03-01), MacCallum et al.
patent: 1162022 (1915-11-01), Brandenburg
patent: 3997025 (1976-12-01), Price
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