CA952333A - Chain door lock - Google Patents

Chain door lock

Info

Publication number
CA952333A
CA952333A CA169,735A CA169735A CA952333A CA 952333 A CA952333 A CA 952333A CA 169735 A CA169735 A CA 169735A CA 952333 A CA952333 A CA 952333A
Authority
CA
Canada
Prior art keywords
door lock
chain door
chain
lock
door
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
CA169,735A
Other versions
CA169735S (en
Inventor
Russell W. Waldo
Gregory R. Colombo
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.)
Ideal Security Hardware Corp
Original Assignee
Ideal Security Hardware Corp
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 Ideal Security Hardware Corp filed Critical Ideal Security Hardware Corp
Application granted granted Critical
Publication of CA952333A publication Critical patent/CA952333A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/36—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing comprising a flexible member, e.g. chains
    • E05C17/365—Security chains
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S70/00—Locks
    • Y10S70/57—Screw guard
    • 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
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/5155—Door
    • Y10T70/5164—Links to limit opening
    • 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
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7655—Cylinder attaching or mounting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
CA169,735A 1972-05-04 1973-04-27 Chain door lock Expired CA952333A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25012072A 1972-05-04 1972-05-04

Publications (1)

Publication Number Publication Date
CA952333A true CA952333A (en) 1974-08-06

Family

ID=22946368

Family Applications (1)

Application Number Title Priority Date Filing Date
CA169,735A Expired CA952333A (en) 1972-05-04 1973-04-27 Chain door lock

Country Status (3)

Country Link
US (1) US3763673A (en)
BR (1) BR7205607D0 (en)
CA (1) CA952333A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4815305A (en) * 1987-07-15 1989-03-28 Smith William C Auxiliary safety chain lock
US4900075A (en) * 1988-08-09 1990-02-13 Smith William C Auxiliary safety chain locking device
NO178639C (en) * 1993-12-29 1996-05-02 Trioving As Lock cylinder provided with means for fastening in a lock box
GB2297353B (en) * 1995-09-06 1997-02-26 Chung Kuan Chin Door locking mechanism
US20140318194A1 (en) * 2013-04-30 2014-10-30 Edward B. Harriss Drawer locking system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161035A (en) * 1961-06-28 1964-12-15 Security Hardware Mfg Co Inc Door chain lock
US3395556A (en) * 1967-03-27 1968-08-06 Ideal Securith Hardware Corp Door chain lock
US3640106A (en) * 1970-10-12 1972-02-08 Wessel Hardware Corp Key-operated chain door-lock construction

Also Published As

Publication number Publication date
BR7205607D0 (en) 1974-01-24
US3763673A (en) 1973-10-09

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