GB1252416A - - Google Patents
Info
- Publication number
- GB1252416A GB1252416A GB1252416DA GB1252416A GB 1252416 A GB1252416 A GB 1252416A GB 1252416D A GB1252416D A GB 1252416DA GB 1252416 A GB1252416 A GB 1252416A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bolt
- barrel
- slot
- cam
- retaining element
- 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
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/02—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism
- B60R25/021—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch
- B60R25/0211—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch comprising a locking member radially and linearly moved towards the steering column
- B60R25/02115—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch comprising a locking member radially and linearly moved towards the steering column key actuated
- B60R25/02126—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch comprising a locking member radially and linearly moved towards the steering column key actuated with linear bolt motion perpendicular to the lock axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
1,252,416. Anti-theft devices. LOWE & FLETCHER Ltd. 25 April, 1969 [20 April, 1968; 28 Sept., 1968], Nos. 18771/68 and 46190/68. Heading B7J. [Also in Division E2] In a steering-column lock, the barrel 18 of the lock is rotatably movable to move the columnengaging bolt 8, and axially movable to move a bolt-retaining element 12 to release the bolt for engagement with the column. A spindle 11, connected to the lock-barrel drives control switches 4 and also a cam 11 which engages the bolt 8 to lift it against spring 9. The axially slidable retaining element 12 is biased towards the bolt by spring 25a and it has a projecting rib 12b which can enter a slot 25 (see Figs. 3 and 5) in the bolt when this is raised, Figs. 4 and 6. The bolt 12 has a slot 27 engaged, when the column is locked, by the larger diameter part 22b of a stop-cam 22 carried on the barrel, Figs. 3 and 5. Rotation of the cam when the key is inserted to free the vehicle steering, withdraws the shoulder 22d of the stop cam from the slot 27 in the retaining element to allow this to move towards the bolt. When, on further rotation of the barrel, the bolt is raised so that its slot 25 becomes aligned with the rib 12b on the retaining element, this moves forward to hold the bolt in its retracted position. Further rotation operates the switch unit 4. To lock the column, the key is turned in the reverse direction to cause the shoulder 22 of the stop cam to abut the retaining element, and is pressed to cause the barrel 18 to slide axially in its housing so that the cam is aligned with the slot 27 (as shown in broken lines in Fig. 4). This allows further rotation of the barrel to cause the cam to engage the slot. When the key is fully turned (stops, not shown, being provided) it may be withdrawn and the barrel coupled to the retaining element 12 retracted, to free the bolt 8 for engagement under its own spring. In the modification shown in Figs. 8 and 9, axial movement of the barrel 28 is prevented until the key is inserted by a blocking member 41 lying in the top slot 31 engaged by the tumblers. This member has pips 42 which engage holes 43 in the lock housing 29 to prevent axial movement when pressed radially outwards by the tumblers. In a further modification, Fig. 10, axial movement of the barrel in the locked and keyless condition is prevented by a radial peg (58) engaging fixed surfaces 64, 65 projecting inwardly from the lock housing. When the peg is moved from angular position 58a to position 58b it may pass axially through gap (66) between these surfaces in plate 60.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1877168 | 1968-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1252416A true GB1252416A (en) | 1971-11-03 |
Family
ID=10118140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1252416D Expired GB1252416A (en) | 1968-04-20 | 1968-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1252416A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487787A (en) * | 2018-04-04 | 2018-09-04 | 珠海优特电力科技股份有限公司 | Lock core and lockset with it |
-
1968
- 1968-04-20 GB GB1252416D patent/GB1252416A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487787A (en) * | 2018-04-04 | 2018-09-04 | 珠海优特电力科技股份有限公司 | Lock core and lockset with it |
| CN108487787B (en) * | 2018-04-04 | 2023-07-25 | 珠海优特电力科技股份有限公司 | Lock core and have its tool to lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
| PCNP | Patent ceased through non-payment of renewal fee |