Title:
DEAD LOCKING DEADBOLT
Document Type and Number:
WIPO Patent Application WO2005019569
Kind Code:
A3
Abstract:
A deadbolt mechanism including a lock out mechanism that functions to disable the operation of the deadbolt from at least one side of the deadbolt mechanism. The deadbolt mechanism includes a deadbolt, key cylinder (4), housing (14), turn knob (8) and a shaft (10) that connects the key cylinder and turn knob. To place the deadbolt mechanism in lock out mode, the turn knob is moved to the locked positioned and then pulled outward away from the door. By pulling the knob outward, the shaft engages a portion of the housing which prevents rotation of the shaft and thereby prevents movement of the deadbolt from the locked position.
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Inventors:
SMITH JERRY (US)
ENSLOW MIKE (US)
ENSLOW MIKE (US)
Application Number:
PCT/US2004/027328
Publication Date:
July 07, 2005
Filing Date:
August 20, 2004
Export Citation:
Assignee:
MASTER LOCK CO (US)
SMITH JERRY (US)
ENSLOW MIKE (US)
SMITH JERRY (US)
ENSLOW MIKE (US)
International Classes:
E05B13/00; E05B17/04; E05B41/00; E05B63/14; E05B65/06; E05C1/06; E05C1/14; E05B; (IPC1-7): E05B13/00; E05B41/00; E05B17/04; E05C1/06; E05C1/14
Domestic Patent References:
| WO1984002157A1 | 1984-06-07 |
Foreign References:
| US5934122A | 1999-08-10 | |||
| US2497329A | 1950-02-14 | |||
| US5421074A | 1995-06-06 |
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