GB1127215A - Limit switch arrangement - Google Patents
Limit switch arrangementInfo
- Publication number
- GB1127215A GB1127215A GB44396/65A GB4439665A GB1127215A GB 1127215 A GB1127215 A GB 1127215A GB 44396/65 A GB44396/65 A GB 44396/65A GB 4439665 A GB4439665 A GB 4439665A GB 1127215 A GB1127215 A GB 1127215A
- Authority
- GB
- United Kingdom
- Prior art keywords
- intermediate position
- actuator
- cam
- machine tool
- plunger
- 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
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/36—Snap-action arrangements depending upon deformation of elastic members using flexing of blade springs
Landscapes
- Mechanisms For Operating Contacts (AREA)
- Push-Button Switches (AREA)
- Tumbler Switches (AREA)
Abstract
1,127,215. Cam-operated switches; retractive switches. LA TELEMECANIQUE ELECTRIQUE. 20 Oct., 1965 [6 Nov., 1964], No. 44396/65. Heading H1N. A limit switch assembly 4 operable by a relatively movable part 1, e.g. a machine tool part, has a movable contact-carrying member 13, which is movable by an actuator 11 between three positions, leaf springs 14, 15, interconnecting member 13 and actuator 11 providing for snap-action movement of member 13, and centring means such as a spring 9 tending to hold member 13 in its intermediate position. The camming surface of the relatively movable part 1 may co-operate with a spring (19), (Fig. 2, not shown), to restrain the member 13 in its intermediate position until sloping surfaces (20A) or (20B) are reached. Member 13 connects contacts A 1 ,B 1 ,or A 2 , B 2 ,in its end positions and connects contacts A 1 , B 2 , in its intermediate position. Alternatively member 13 is insulating and carries self-aligning bridging contact members (32A), (32B), (Fig. 6, not shown). Part 1 actuates actuator plunger 11 via a pivoted lever 6 which may rotate a cam 21, (see also Figs. 3, 4a, 4b, not shown), which acts via a ball 23 and rod 25 on plunger 11, a sealing disc surrounding rod 25. The switch assembly 4 controls a continuously reversible motor (Fig. 10, not shown), a reversible motor (Fig. 8, not shown) or two separate motors for driving a machine tool part 1 forwards and backwards. Apart from the centring means, the switch is similar to that of French Specification 1,328,440.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR994228A FR1453814A (en) | 1964-11-06 | 1964-11-06 | Switching device known as limit switch |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1127215A true GB1127215A (en) | 1968-09-18 |
Family
ID=8842023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB44396/65A Expired GB1127215A (en) | 1964-11-06 | 1965-10-20 | Limit switch arrangement |
Country Status (8)
Country | Link |
---|---|
US (1) | US3370138A (en) |
BE (1) | BE671905A (en) |
CH (1) | CH437472A (en) |
DE (1) | DE1513658B1 (en) |
ES (1) | ES319259A1 (en) |
FR (1) | FR1453814A (en) |
GB (1) | GB1127215A (en) |
SE (1) | SE323736B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3539738A (en) * | 1968-11-12 | 1970-11-10 | Gen Electric | Miniature industrial limit switch |
DE2731133C2 (en) * | 1977-07-09 | 1982-01-07 | Maschinenfabrik Reinhausen Gebrüder Scheubeck GmbH & Co KG, 8400 Regensburg | Step switch for step transformers with a contact system operated under oil |
US4406933A (en) * | 1982-02-11 | 1983-09-27 | Square D Company | Neutral position limit switch lever head |
EP0287860A3 (en) * | 1987-03-31 | 1989-06-07 | Asmo Co., Ltd. | Mechanism converting rotary motion into reciprocating motion |
US4847453A (en) * | 1987-11-03 | 1989-07-11 | Square D Company | Limit switch with actuator |
EP1870914A2 (en) * | 2006-06-22 | 2007-12-26 | ZIMM Maschinenelemente GmbH + Co | Limit switch with a switching part |
US11498817B2 (en) * | 2019-07-02 | 2022-11-15 | Nabholz Construction Corporation | Nut gap monitoring system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2472333A (en) * | 1945-06-04 | 1949-06-07 | Everard F Kohl | Snap acting electric switch |
US2648234A (en) * | 1950-06-10 | 1953-08-11 | Honeywell Regulator Co | Momentary action actuator |
US2598856A (en) * | 1951-02-24 | 1952-06-03 | Gen Motors Corp | Snap action switch |
US2801310A (en) * | 1952-07-12 | 1957-07-30 | Electro Snap Switch & Mfg Co | Make before break switch |
US2912538A (en) * | 1958-01-08 | 1959-11-10 | Clair W Mcdiarmid | Electrical ratchet relay |
FR1212196A (en) * | 1958-09-11 | 1960-03-22 | Telemecanique Electrique | Switching device for mechanical control by encountering mobiles |
US3097271A (en) * | 1960-04-25 | 1963-07-09 | R B Denison Mfg Company | Electric limit switch |
FR1328440A (en) * | 1962-04-17 | 1963-05-31 | Telemecanique Electrique | Advanced snap-action switch allows three stable positions |
-
1964
- 1964-11-06 FR FR994228A patent/FR1453814A/en not_active Expired
-
1965
- 1965-10-13 US US495593A patent/US3370138A/en not_active Expired - Lifetime
- 1965-10-20 GB GB44396/65A patent/GB1127215A/en not_active Expired
- 1965-10-21 CH CH1456465A patent/CH437472A/en unknown
- 1965-11-03 DE DE19651513658D patent/DE1513658B1/en active Pending
- 1965-11-05 ES ES0319259A patent/ES319259A1/en not_active Expired
- 1965-11-05 SE SE14302/65A patent/SE323736B/xx unknown
- 1965-11-05 BE BE671905D patent/BE671905A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR1453814A (en) | 1966-07-22 |
ES319259A1 (en) | 1966-05-01 |
US3370138A (en) | 1968-02-20 |
DE1513658B1 (en) | 1970-01-02 |
SE323736B (en) | 1970-05-11 |
BE671905A (en) | 1966-05-05 |
CH437472A (en) | 1967-06-15 |
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