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Expired
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William Bradley
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Individual
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Individual
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Publication of GB191120753ApublicationCriticalpatent/GB191120753A/en
B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
B66B13/02—Door or gate operation
B66B13/14—Control systems or devices
B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
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Engineering & Computer Science
(AREA)
Automation & Control Theory
(AREA)
Lock And Its Accessories
(AREA)
Refrigerator Housings
(AREA)
Abstract
20,753. Bradley, W. Sept. 20. Latches, lift and thumb.-The handle D of a lift-latch is secured rigidly to the latch by any suitable means. A projection C on the latch, or a piece secured thereto, covers the hole in the door in which the handle moves.