GB705246A - Improvements in or relating to pocket and like knives - Google Patents
Improvements in or relating to pocket and like knivesInfo
- Publication number
- GB705246A GB705246A GB2919552A GB2919552A GB705246A GB 705246 A GB705246 A GB 705246A GB 2919552 A GB2919552 A GB 2919552A GB 2919552 A GB2919552 A GB 2919552A GB 705246 A GB705246 A GB 705246A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cover plates
- whistle
- knives
- plates
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B11/00—Hand knives combined with other implements, e.g. with corkscrew, with scissors, with writing implement
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Toys (AREA)
Abstract
705,246. Knives. WITTGENS, C. Nov. 19, 1952, No. 29195/52. Class 30 [Also in Group XXXVIII] A pocket or sheath knife comprises cover plates each having at one end a mouthpiece for a signal whistle and each having thereon a semi-cylindrical hollow member open at one end and forming the sound chamber for the whistle, the open end of each hollow member being arranged in front of the corresponding mouthpiece. As shown, air channels 7, 8 are formed by plates 5, 6 secured to extensions 3, 4 of cover plates 1, 2 and constitute the mouthpieces of the whistle, semi-cylindrical tubes 9, 10 also being welded to the cover plates and having open ends forming sound openings 11, 12. In modifications the sound chambers are pressed out of the cover plates or are moulded in cover plates of thermoplastic material and the mouthpieces are moulded in one end of the cover plate 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2919552A GB705246A (en) | 1952-11-19 | 1952-11-19 | Improvements in or relating to pocket and like knives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2919552A GB705246A (en) | 1952-11-19 | 1952-11-19 | Improvements in or relating to pocket and like knives |
Publications (1)
Publication Number | Publication Date |
---|---|
GB705246A true GB705246A (en) | 1954-03-10 |
Family
ID=10287653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2919552A Expired GB705246A (en) | 1952-11-19 | 1952-11-19 | Improvements in or relating to pocket and like knives |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB705246A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992002341A1 (en) * | 1990-07-28 | 1992-02-20 | Clamason Industries Limited | Knives |
EP1291139A1 (en) * | 2001-08-31 | 2003-03-12 | Gin-Sung Chang | Multi-function cutter |
FR2978369A1 (en) * | 2011-07-29 | 2013-02-01 | Opinel | KNIFE HAVING A MEDIUM SOUND TRANSMITTER BY AIR PASSAGE |
CN105965554A (en) * | 2016-07-01 | 2016-09-28 | 阳江拓必拓科技股份有限公司 | Folding knife with whistle |
-
1952
- 1952-11-19 GB GB2919552A patent/GB705246A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992002341A1 (en) * | 1990-07-28 | 1992-02-20 | Clamason Industries Limited | Knives |
EP1291139A1 (en) * | 2001-08-31 | 2003-03-12 | Gin-Sung Chang | Multi-function cutter |
FR2978369A1 (en) * | 2011-07-29 | 2013-02-01 | Opinel | KNIFE HAVING A MEDIUM SOUND TRANSMITTER BY AIR PASSAGE |
CN105965554A (en) * | 2016-07-01 | 2016-09-28 | 阳江拓必拓科技股份有限公司 | Folding knife with whistle |
CN105965554B (en) * | 2016-07-01 | 2018-10-16 | 阳江拓必拓工业技术研究院有限公司 | A kind of jack knife with whistle |
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