CA952333A - Chain door lock - Google Patents
Chain door lockInfo
- 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
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
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)
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)
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 |
-
1972
- 1972-05-04 US US00250120A patent/US3763673A/en not_active Expired - Lifetime
- 1972-08-17 BR BR5607/72A patent/BR7205607D0/en unknown
-
1973
- 1973-04-27 CA CA169,735A patent/CA952333A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR7205607D0 (en) | 1974-01-24 |
US3763673A (en) | 1973-10-09 |
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