ZA726515B - Alarm bolt - Google Patents
Alarm boltInfo
- Publication number
- ZA726515B ZA726515B ZA726515A ZA726515A ZA726515B ZA 726515 B ZA726515 B ZA 726515B ZA 726515 A ZA726515 A ZA 726515A ZA 726515 A ZA726515 A ZA 726515A ZA 726515 B ZA726515 B ZA 726515B
- Authority
- ZA
- South Africa
- Prior art keywords
- alarm bolt
- alarm
- bolt
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B45/00—Alarm locks
- E05B45/06—Electric alarm locks
- E05B45/08—Electric alarm locks with contact making inside the lock or in the striking plate
- E05B45/12—Electric alarm locks with contact making inside the lock or in the striking plate by movement of the bolt
- E05B45/125—Electric alarm locks with contact making inside the lock or in the striking plate by movement of the bolt by transverse movement
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18530871A | 1971-09-30 | 1971-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA726515B true ZA726515B (en) | 1973-06-27 |
Family
ID=22680446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA726515A ZA726515B (en) | 1971-09-30 | 1972-09-25 | Alarm bolt |
Country Status (5)
Country | Link |
---|---|
US (1) | US3755802A (de) |
JP (1) | JPS4842896A (de) |
DE (1) | DE2247624A1 (de) |
FR (1) | FR2155477A5 (de) |
ZA (1) | ZA726515B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3938120A (en) * | 1974-05-06 | 1976-02-10 | Baltimore Brushes, Inc. | Talking door sentinel |
JPS55143374U (de) * | 1979-04-02 | 1980-10-14 | ||
FR2454501A1 (fr) * | 1979-04-19 | 1980-11-14 | Pierre Ind | Serrure pour porte associee a un circuit d'alarme |
US4283718A (en) * | 1979-07-02 | 1981-08-11 | Synco National Ltd. | Door alarm device |
DE4343242C2 (de) * | 1993-12-17 | 1997-05-15 | Bayerische Motoren Werke Ag | Verstaubare Tischeinrichtung an einem Sitz |
US5754107A (en) * | 1997-02-18 | 1998-05-19 | Ferrantelli; Salvatore | Pressure actuated dead bolt premises intrusion alarm and intruder |
US6020816A (en) * | 1998-03-02 | 2000-02-01 | Agozzino; Andrew | Door and window lock with burglar alarm |
CH706137B1 (de) * | 2012-02-27 | 2016-03-31 | Introgarde Ag | Schliessvorrichtung mit Drucksensor. |
CN105421894A (zh) * | 2015-11-20 | 2016-03-23 | 成都迅德科技有限公司 | 新型安全锁具 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1607297A (en) * | 1925-11-24 | 1926-11-16 | Charles P Northington | Signal system |
US1892336A (en) * | 1930-05-17 | 1932-12-27 | Welborn D England | Combination window sash lock and burglar alarm |
US3525830A (en) * | 1967-03-14 | 1970-08-25 | Gen Alarm Corp | Lock switch devices |
US3530262A (en) * | 1968-01-25 | 1970-09-22 | Gen Alarm Corp | Lock switch devices |
US3587080A (en) * | 1969-06-16 | 1971-06-22 | Minnesota Mining & Mfg | Cylinder mounting plate and alarm actuator |
US3623062A (en) * | 1970-06-25 | 1971-11-23 | Minnesota Mining & Mfg | Lock alarm structure |
-
1971
- 1971-09-30 US US00185308A patent/US3755802A/en not_active Expired - Lifetime
-
1972
- 1972-09-25 ZA ZA726515A patent/ZA726515B/xx unknown
- 1972-09-28 DE DE19722247624 patent/DE2247624A1/de active Pending
- 1972-09-29 FR FR7234688A patent/FR2155477A5/fr not_active Expired
- 1972-09-30 JP JP47098556A patent/JPS4842896A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4842896A (de) | 1973-06-21 |
FR2155477A5 (de) | 1973-05-18 |
DE2247624A1 (de) | 1973-04-05 |
US3755802A (en) | 1973-08-28 |
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