CA1020606A - Lock indicator - Google Patents

Lock indicator

Info

Publication number
CA1020606A
CA1020606A CA195,733A CA195733A CA1020606A CA 1020606 A CA1020606 A CA 1020606A CA 195733 A CA195733 A CA 195733A CA 1020606 A CA1020606 A CA 1020606A
Authority
CA
Canada
Prior art keywords
lock indicator
indicator
lock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA195,733A
Other versions
CA195733S (en
Inventor
Ralph E. Neary
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlage Lock Co LLC
Original Assignee
Schlage Lock Co LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlage Lock Co LLC filed Critical Schlage Lock Co LLC
Application granted granted Critical
Publication of CA1020606A publication Critical patent/CA1020606A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B41/00—Locks with visible indication as to whether the lock is locked or unlocked
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8027—Condition indicators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8027—Condition indicators
    • Y10T70/8189—Contactual feeler
CA195,733A 1973-04-16 1974-03-22 Lock indicator Expired CA1020606A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00351512A US3824819A (en) 1973-04-16 1973-04-16 Lock indicator

Publications (1)

Publication Number Publication Date
CA1020606A true CA1020606A (en) 1977-11-08

Family

ID=23381239

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195,733A Expired CA1020606A (en) 1973-04-16 1974-03-22 Lock indicator

Country Status (2)

Country Link
US (1) US3824819A (en)
CA (1) CA1020606A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH652689A5 (en) * 1981-11-10 1985-11-29 Inventio Ag MONITORING DEVICE FOR THE DOOR LOCKING OF A CONTAINER.
IT1277224B1 (en) * 1995-11-20 1997-11-05 Alban Giacomo Spa CYLINDER LOCK WITH CLOSED / OPEN SIGNALER
US6047577A (en) * 1998-10-09 2000-04-11 Klimas; Frank Abnormal use indicator for door lock
FR2803324B1 (en) * 1999-12-30 2006-01-13 Fontaine Sa CYLINDER WITH DOUBLE INPUT WITH LED INDICATOR
US6516643B1 (en) 2000-06-09 2003-02-11 Michael Cohnitz Olshausen Pop-up, precision lock-cylinder that reveals at once, with visual and tactile cues, who else with a key has sought or gained entry
TW590146U (en) 2003-05-14 2004-06-01 Sinox Co Ltd Padlock structure with hook locking and opening
US7832238B2 (en) 2003-08-05 2010-11-16 The Eastern Company Combination and key operated locks with indicators
USD674266S1 (en) 2003-08-05 2013-01-15 The Eastern Company Cable shackle padlock having a sidewall aperture for a status indicator
US7363782B1 (en) 2003-08-05 2008-04-29 The Eastern Company Combination and key operated padlock with indicator
US7159422B1 (en) 2003-08-05 2007-01-09 The Eastern Company Combination and key operated padlock with indicator
US8881558B2 (en) 2003-08-05 2014-11-11 The Eastern Company Combination and key operated locks with indicators
US7225648B2 (en) * 2003-11-04 2007-06-05 The Sun Lock Company Ltd. Padlock with fully integrated dual locking system with indicator/signal assembly
US20120279264A1 (en) 2005-01-11 2012-11-08 Chun Te Yu Padlock with indication device
US8353184B2 (en) 2005-01-21 2013-01-15 Sinox Company Ltd. Tamper indicating padlock
US7467531B2 (en) * 2005-05-20 2008-12-23 The Sun Lock Company Ltd. Key operated padlock construction with visual indicator
TWM291991U (en) * 2005-11-22 2006-06-11 Jian-Yung Huang Structure of indicator for dual-direction rotatable lock
TWI292006B (en) 2006-01-05 2008-01-01 Sinox Co Ltd Lock box
US20080178649A1 (en) * 2006-08-15 2008-07-31 Chun Te Yu Lock with indicator and multiple key-operable core
DE202009004777U1 (en) * 2009-05-04 2010-09-23 Martin Lehmann Gmbh & Co. Kg Interchangeable cylinder system
DE102010044793B4 (en) * 2010-09-09 2013-10-31 Parker Hannifin Gmbh Electromechanical linear drive with regreasing device
DE202010012699U1 (en) * 2010-09-17 2010-12-09 Emka Beschlagteile Gmbh & Co. Kg Rotary clamping lock with recognizability of the closure position

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US936231A (en) * 1909-05-22 1909-10-05 P & F Corbin Indicator for door-locks.
US2793522A (en) * 1952-06-09 1957-05-28 Schlage Lock Co Lock indicator
US3128618A (en) * 1959-05-25 1964-04-14 Schlage Lock Co Key shut out for locks
US2983134A (en) * 1959-08-10 1961-05-09 Fred J Russell Hotel lock with special key shut-out from outside
US3600916A (en) * 1970-05-04 1971-08-24 Oak Electro Netics Corp Door lock with prism display

Also Published As

Publication number Publication date
US3824819A (en) 1974-07-23

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