Indicating lock for a rimless glass door

Details Indicating lock for a rimless glass door Indicating lock for a rimless glass door

2005-04-26

2005-04-26

Walsh, John B. (Department: 3676)

Locks

Parts, attachments, accessories and adjuncts

Condition indicators

C070S276000, C070S077000, C070S091000, C070SDIG059, C292S251500

Reexamination Certificate

active

06883357

ABSTRACT:
An indicating lock for a rimless glass door is composed of a seat assembly, a driving member, a latching member, an indicating ring, and a clamping member. The seat assembly has an interior seat and an exterior seat. The driving member has an interior disk and an exterior disk. Multiple magnetic elements are installed in the interior disk and the exterior disk with opposite polarities. By using the magnetic force, the indicating lock can be securely and easily installed on a rimless glass door without cutting the glass of the door. An indicating ring is provided between the exterior disk and the exterior seat. Those outside the door can conveniently know whether the door is locked by observing the indicating ring.

REFERENCES:
patent: 3141319 (1964-07-01), Schlage
patent: 3589152 (1971-06-01), Glass et al.
patent: 3602020 (1971-08-01), Kajita
patent: 3837195 (1974-09-01), Pelto
patent: 4126022 (1978-11-01), Bara Marco
patent: 4195867 (1980-04-01), Baillie
patent: 4490999 (1985-01-01), Castle et al.
patent: 4918953 (1990-04-01), Newman
patent: 5301988 (1994-04-01), Davenport et al.
patent: 6164098 (2000-12-01), Hommes

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