GB341618A - Improvements in gate locking apparatus for electric lifts - Google Patents
Improvements in gate locking apparatus for electric liftsInfo
- Publication number
- GB341618A GB341618A GB3488629A GB3488629A GB341618A GB 341618 A GB341618 A GB 341618A GB 3488629 A GB3488629 A GB 3488629A GB 3488629 A GB3488629 A GB 3488629A GB 341618 A GB341618 A GB 341618A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lift
- gate
- lever
- latch
- gate latch
- 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
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
Abstract
341,618. Lifts. ETCHELLS, CONGDON, & MUIR, Ltd. and MUIR, F., Mill Street, Ancoats, Manchester. Nov. 15, 1929, No. 34886. [Class 78 (iii).] Lift cages and doors, locking and unlocking and operating.-In apparatus of the type wherein the gate latch engages with a rotary cam in the lock, the cam A has a deep notch a which can be engaged by a lateral projection b on the gate latch B, and two shallow notches a<1>, a<2> at different distances from its axis of rotation which, by engaging a runner c<1> on a lever C pivoted at c, cause a bar D<1> to make or break contact with terminals D. A lever E pivoted to the rocking lever C has a hole e at its lower end to receive a bolt F which thus locks the cam A against rotation and prevents withdrawal of the gate latch. The bolt F is completely withdrawn only when a lever G in the lift shaft is engaged by a runner on the lift, which occurs only when the lift is exactly opposite to the landing stage. If the lift is slightly above or below the landing stage an eccentric extension f<3> on the bolt F still engages the hole e and prevents the complete withdrawal of the gate latch. The gate latch has a heel b<2> which by engagement with the block K on the second rail of the gate tilts the latch into a nearly vertical position when the gate is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3488629A GB341618A (en) | 1929-11-15 | 1929-11-15 | Improvements in gate locking apparatus for electric lifts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3488629A GB341618A (en) | 1929-11-15 | 1929-11-15 | Improvements in gate locking apparatus for electric lifts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB341618A true GB341618A (en) | 1931-01-22 |
Family
ID=10371126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3488629A Expired GB341618A (en) | 1929-11-15 | 1929-11-15 | Improvements in gate locking apparatus for electric lifts |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB341618A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2207122A (en) * | 1987-07-18 | 1989-01-25 | Mitsubishi Electric Corp | Door lock for an elevator car |
-
1929
- 1929-11-15 GB GB3488629A patent/GB341618A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2207122A (en) * | 1987-07-18 | 1989-01-25 | Mitsubishi Electric Corp | Door lock for an elevator car |
| GB2207122B (en) * | 1987-07-18 | 1991-10-09 | Mitsubishi Electric Corp | Door lock for an elevator car |
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