GB814583A - Improvements in or relating to electric switch actuating mechanisms - Google Patents
Improvements in or relating to electric switch actuating mechanismsInfo
- Publication number
- GB814583A GB814583A GB23535/57A GB2353557A GB814583A GB 814583 A GB814583 A GB 814583A GB 23535/57 A GB23535/57 A GB 23535/57A GB 2353557 A GB2353557 A GB 2353557A GB 814583 A GB814583 A GB 814583A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cam
- arm
- shaft
- follower
- spring
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
- H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
- H01H21/28—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
- H01H21/285—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift having an operating arm actuated by the movement of the body and mounted on an axis converting its rotating movement into a rectilinear switch activating movement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/60—Angularly-movable actuating part carrying no contacts
- H01H19/62—Contacts actuated by radial cams
Landscapes
- Switches With Compound Operations (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
814,583. Retractive switches. WEBB CO., J. B. July 25, 1957 [May 16, 1957], No. 23535/57. Class 38 (5). In a non-actuated position of a switch 12, a follower 30 on the pivoted follower arm 31 is urged by a spring 40 into a notch 32 in a circular actuating cam 23, the cam being centred in this position by a spring 21. The ends 24, 25 of the spring abut pins 25, 26 secured to the casing 10 and the cam 23 respectively. Rotation of the cam by means of an actuating arm 44 locked to the cam shaft 19 outside the casing causes the follower 30 to lift and the arm 31 to actuate the switch. The arm 44 is loosely mounted on the shaft 19 and has a toothed hub 50 (Fig. 4) which engages with teeth 56 on a locking piece 53 mounted on a squared extension of the shaft, thus providing for adjustment of the arm relative to the shaft.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US659509A US2964600A (en) | 1957-05-16 | 1957-05-16 | Switch actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB814583A true GB814583A (en) | 1959-06-10 |
Family
ID=24645685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23535/57A Expired GB814583A (en) | 1957-05-16 | 1957-07-25 | Improvements in or relating to electric switch actuating mechanisms |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2964600A (en) |
| BE (1) | BE560266A (en) |
| FR (1) | FR1181393A (en) |
| GB (1) | GB814583A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3407278A (en) * | 1967-04-17 | 1968-10-22 | Essex Wire Corp | Oscillatory electric switch construction |
| US4381437A (en) * | 1981-01-08 | 1983-04-26 | Tri-Tech, Inc. | Switching device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1774440A (en) * | 1928-01-18 | 1930-08-26 | Gen Electric | Limit switch |
| US2328266A (en) * | 1941-10-28 | 1943-08-31 | Bliss E W Co | Operating mechanism for switches |
| US2338365A (en) * | 1943-06-19 | 1944-01-04 | Fulton Co | Switch assemblage |
| US2422320A (en) * | 1944-04-01 | 1947-06-17 | Reeves Pulley Co | Preset control |
| US2522278A (en) * | 1947-11-12 | 1950-09-12 | Furnas Electric Co | Cam type limit switch assemblage |
| US2673468A (en) * | 1951-07-28 | 1954-03-30 | Westinghouse Electric Corp | Limit switch operating mechanism |
| US2785256A (en) * | 1952-10-18 | 1957-03-12 | Honeywell Regulator Co | Switch mechanism |
| US2822439A (en) * | 1955-02-10 | 1958-02-04 | Square D Co | Electric switch |
| US2879352A (en) * | 1956-06-18 | 1959-03-24 | Gen Motors Corp | Control device |
-
0
- BE BE560266D patent/BE560266A/xx unknown
-
1957
- 1957-05-16 US US659509A patent/US2964600A/en not_active Expired - Lifetime
- 1957-07-25 GB GB23535/57A patent/GB814583A/en not_active Expired
- 1957-08-21 FR FR1181393D patent/FR1181393A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2964600A (en) | 1960-12-13 |
| FR1181393A (en) | 1959-06-15 |
| BE560266A (en) |
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