GB190202605A - Improvements in Latch Locks. - Google Patents
Improvements in Latch Locks.Info
- Publication number
- GB190202605A GB190202605A GB190202605DA GB190202605A GB 190202605 A GB190202605 A GB 190202605A GB 190202605D A GB190202605D A GB 190202605DA GB 190202605 A GB190202605 A GB 190202605A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slot
- casing
- cylinder
- bolt
- lever
- 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
Abstract
2605. Burden, O. H., and Adams, T. F. Jan. 31. Locks, key, for doors. A latch bolt 9 is mounted to slide in a casing 5 fixed to a faceplate 6 secured to the door, and is controlled by a spring 12 passing through a slot in the casing and engaging a notch in the bolt. A cylindrical casing 15 passes through the door at right angles to the casing 5, and acts as a bearing for a cylinder 16. This cylinder is provided with a keyway or slot 17, and about midway.of the cylinder a circumferential slot 18 runs into this slot 17. A spring finger 37 secured to the bolt has a hooked end pressing through a slot in the casing 15 and engaging the slot 18, so as to take an abutment against the ends of this slot. A spring-controlled lever or tumbler 24 is pivoted in the slot 17 and has a projecting lip or shoulder 30 adapted to engage one of two notches formed in the casing 15 at right-angles to each other. The lever 24 can be depressed, to withdraw the lip out of engagement with the notch, by a finger-piece 29, from the inside of the door, and, by means of a sliding key 27, which engages the end of the lever, from the outside. The key is formed with grooves to engage studs or wards projecting into the slot. The bolt 9 is retracted by depressing the lever and then turning the cylinder 16 by means of the fingerpiece 29 or key 27. The bolt may be maintained in the retracted position by permitting the lip 30 to engage with the respective notches in the casing. A stud or slot 23 on the cylinder engages a slot in the casing, to limit the movement of the cylinder to a right-angle.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190202605T | 1902-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190202605A true GB190202605A (en) | 1903-01-08 |
Family
ID=32427101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190202605D Expired GB190202605A (en) | 1902-01-31 | 1902-01-31 | Improvements in Latch Locks. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190202605A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106312601A (en) * | 2015-06-29 | 2017-01-11 | 常州星宇车灯股份有限公司 | A swing clamp cylinder lever lifting clamping mechanism |
-
1902
- 1902-01-31 GB GB190202605D patent/GB190202605A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106312601A (en) * | 2015-06-29 | 2017-01-11 | 常州星宇车灯股份有限公司 | A swing clamp cylinder lever lifting clamping mechanism |
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