Closure fasteners – Magnetic
Patent
1986-01-02
1987-09-29
Moore, Richard E.
Closure fasteners
Magnetic
292DIG60, E05C 1756
Patent
active
046965009
ABSTRACT:
The present invention relates to a doorholder assembly for a pocket door including a housing mountable on a vertical surface of the wall inside the pocket, an electromagnet having an armature engaging surface, an armature mounted on the door, adjustable mounting means for mounting the electromagnet to the housing to vary the distance that the armature engaging surface is disposed relative to the surface of the wall on which the housing is mounted to accommodate various door and pocket sizes to enable the visible surface of the door when in its held open position to be aligned coplaner with the wall outside of the pocket. Resilient means are associated with the armature to allow the armature to pivot relative to the armature engaging surface to compensate for angular misalignment between the armature and the armature engaging surface. The resilient means further absorbs vibration established upon energization of the electromagnet by AC current and prevents the transmittal of the vibration from the electromagnet to the door.
REFERENCES:
patent: 49560 (1865-08-01), Shaw
patent: 2472397 (1949-06-01), Bennett
patent: 2673377 (1954-03-01), Gaugler
patent: 2801870 (1957-08-01), Davey
patent: 3751088 (1973-08-01), Schlage et al.
patent: 4458940 (1984-07-01), Hildebrand
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