Control apparatus for hermetically closing an opening in a wall

Details Control apparatus for hermetically closing an opening in a wall Control apparatus for hermetically closing an opening in a wall

1975-02-05

1976-04-20

Downey, Kenneth

Movable or removable closures

Mounted for multidirectional or oblique movement

Initial or terminal movement transverse to sliding movement...

49235, 49360, E05D 1510

Patent

active

039508935

ABSTRACT:
Control apparatus for a device for hermetically closing an opening in a wall, which device includes a leaf movable from a hermetically closed position to a disengaged position in which it is slidable along a rail. The control apparatus includes a drive mechanism for moving the leaf from the hermetically closed position to the disengaged position and a linear electric motor for sliding the leaf along the rail, the linear motor including a first element secured to the leaf and a second element secured to the wall.

REFERENCES:
patent: 3197817 (1965-08-01), Voris
patent: 3621349 (1971-11-01), Reyx

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