US3261937A - Three position snap switch utilizing interference blade means - Google Patents
Three position snap switch utilizing interference blade means Download PDFInfo
- Publication number
- US3261937A US3261937A US437234A US43723465A US3261937A US 3261937 A US3261937 A US 3261937A US 437234 A US437234 A US 437234A US 43723465 A US43723465 A US 43723465A US 3261937 A US3261937 A US 3261937A
- Authority
- US
- United States
- Prior art keywords
- blade
- interference
- arm
- actuator
- housing
- 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 - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs
-
- 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
Definitions
- Snap action mechanisms have found great utility in recent years since they are relatively simple and economically manufactured and since they are operable to actuate the mechanims with which they are associated with a positive stroke of the snap blade even though the force which acts to actuate the mechanism is applied very slowly. More particularly such snap action mechanisms have found particular utility in the electrical field in the form of double throw snap action switches since the quick snapping action of the snap blade associated with the mechanism is effective to substantially eliminate arcing between two adjacent contacts.
- the present invention in another of its aspects, relates to novel features of the instrumentalities described herein for teaching the principal object of the invention and to the novel principles employed in the instrumentalities whether or not these features and principles may be used in the said object and/ or in the said field.
- FIGURE 1 is an exploded view of a snap action mechanism constructed in accordance with the principles of the present invention
- FIGURE 2 is a sectional view of the snap action mechanism showing the snap blade or movable contact in a first position
- FIGURE 3 is a sectional view of the snap action mechanism showing the snap blade or movable contact in an intermediate position
- FIGURE 4 is a sectional view of the snap action mechanism showing the snap blade or movable contact in a third position
- FIGURE 5 is a sectional view of the snap mechanism showing the snap blade or movable contact in a first position and super-imposed neutral and third positions.
- the present invention relates to a switch mechanism wherein the snap blade or movable contact associated with the mechanism is movable to any one of three selected positions as desired.
- a snap action mechanism is shown by way of example, and not by way of limitation, being adapted for use as a double throw electrical switch.
- Switch 10 has movable blade 11 cantilevered in step 13 at a first end of housing 12 and positioned therein by post 14.
- a cantilevered center resilient blade 11 is located within resilient movable blade 15 and is free to move in a vertical plane therein.
- Top portion 16' of cam follower 16 is disposed in aperture 16" of blade 11 and aperture 16 of actuating block 17.
- Block 17 and follower 16 are molded from a suitable insulating material such as nylon and are heat staked after being assembled.
- Actuating block 17 has fingers 18 and 18' thereon which provide an interference with blade 15 in conjunction with fingers 19 and 19' (not shown) on cam follower 16, thereby providing means for bowing blade 15 in an upward or downward motion respectively.
- Retaining means 20 and 21 prevent vertical movement of end portion 15 of blade 15.
- Portion 15' is the controllable interfering portion which lays in the path of tongue 35 as arm 32 is actuated.
- cantilevered arm 22 Disposed at a second end of housing 12 is cantilevered arm 22 which is positioned by post 23 in step 24. Arm 22 ends in a spade terminal 26 on a first end and has a stationary contact adjacent the second end on the top surface thereof. Insulating pivot block 27 separates arm 22 from upper contact arm 28. Cantilevered arm 28 is held in place by post 23 and by step 29 of block 27. Upper stationary contact 30 is afiixed to the lower side of arm 28 adjacent a first end. The second end of arm 28 terminates in spade terminal 31.
- Block 27 has V-notch 32 for receiving a first end of movable contact arm 33.
- Arm 33 is held in notch 32 by spring tension exerted from bow spring 34 which interfits with tongue 35 at a second end of arm 33 and tongue 36 of blade 11.
- Arm 33 has upper movable contact 37 on a top surface and bottom movable contact 38 (FIGS. 2, 3, 4 and 5) on a bottom surface.
- Coil spring 39 straddles boss 40 (FIGS. 2, 3, 4 and 5) of top housing-member 41 and is seated on cap 42. Cap 42 interfits with groove 43 of block 17. Coil spring 39 serves to return cam follower 16 in a downward direction. After assembly top housing member 41 and bottom housing member 12 are heat staked by top portions 43 and 44 of posts 14 and 23 respectively. Bottom housing member 12 has snap-in posts 45 and 46 respectively for rapid assembly into a mounting member for switch 10. The snap-in feature eliminates riveting or screwing switch 10 into its mounting means.
- the present invention provides a positive snap action to and from both contacts and a neutral or off position. Thus electrical contact may initially be made to both first and second contacts and a neutral position still be provided.
- a snap action switch mechanism having first, intermediate and third positions comprising:
- biasing means interconnecting a second end of said contact arm and said actuator blade for selectively snapping said contact arm toward one of said spaced contacts
- an interference blade means mounted on said mounting means for providing a rest position for said movable contact blade, and guide means formed on said mounting means for preventing vertical motion at one section of said interference blade and permitting horizontal motion at another section of said interference blade, finger means on said cam means for actuating said interference blade and said actuator blade thereby allowing said arm to bypass said interference blade;
- a snap action switch mechanism having first, intermediate and third positions comprising:
- biasing means interconnecting a second end of said contact arm and said actuator blade for selectively snapping said contact arm toward one of said spaced contacts
- an interference blade means mounted on said mounting means for providing a rest position for said movable contact blade, and guide means formed on said mounting means for preventing vertical motion at one section of said interference blade and permitting horizontal motion at another section of said interference blade, finger means on said cam means for actuating said interference blade and said actuator blade thereby allowing said arm to bypass said interference blade;
- a snap action switch mechanism having first, intermediate and third positions comprising:
- biasing means interconnecting a second end of said contact arm and said actuator blade for selectively snapping said contact arm toward one of said spaced contacts
- an interference blade means mounted on said mounting means for providing a rest position for said movable contact blade, and guide means formed on said mounting means for preventing vertical motion at one section of said interference blade and permitting horizontal motion at another section of said interference blade, finger means on said cam means for actuating said interference blade and said actuator blade thereby allowing said arm to bypass said interference blade;
- a snap action switch mechanism having first, intermediate and third positions comprising:
- biasing means interconnecting said movable contact arm and said actuator blade for selectively snapping said contact arm toward one of said spaced contacts
- an interference blade means mounted on said mounting means for providing a rest position for said movable contact blade, and guide means formed on said mounting means for preventing vertical motion at one section of said interference blade and permitting horizontal motion at another section of said interference blade, finger means on said cam means for actuating said interference blade and said actuator blade thereby allowing said arm to bypass said interference blade;
- a snap action switch mechanism comprising:
- biasing means interconnecting said movable contact arm and said actuator blade for selectively snapping said contact arm toward one of said spaced con tacts
- an interference blade means mounted on said mounting means for providing a rest position for said movable contact blade, and guide means formed on said mounting means for preventing vertical motion at one section of said interference blade and permitting horizontal motion at another sectiton of said interference blade, finger means on said cam means for actuating said interference blade and said actuator blade thereby allowing said arm to bypass said interference blade;
- a snap action switch comprising: a housing, a plurality of discrete contact arms mounted in said housing, a movable contact arm mounted in said housing and connected to an actuator means by a bias means, follower means coupled to said actuator means for actuating said movable contact arm to predetermined positions in a snap action manner, means supported by said housing and including an interference portion, said portion positioned in the path of movement of said movable contact arm, and means coupled to said follower means and responsive to the movement thereof for actuating said portion to thereby allow said movable contact arm to move into engagement with one of said discrete contact arms.
- a switch mechanism comprising:
- biasing means interconnecting said movable contact carrying means and said actuator means for displacing said contact carrying means toward one of said spaced apart contact carrying means
- an interference means retained by said housing for providing a rest position for said movable contact carrying means, and guide means on said mounting means for substantially preventing vertical motion at one section of said interference means and permitting horizontal motion at another section of said interference means, means on said follower means for actuating said interference means and said ac tuator means thereby allowing said movable contact carrying means to move from said intermediate position to an engaged position with said one contact carrying means.
- a snap action switch comprising: a housing; a plurality of discrete arms retained in said housing in spaced relationship; a movable contact carrying arm disposed between said spaced apart contact arms; an actuator means having one portion retained by said housing and a second portion coupled to said movable arm by a biasing means, said biasing means for snapping said movable arm toward one of said discrete contact arms; follower means coupled to said actuator means for actuating said movable arm to predetermined positions through displacement of said actuator means and said biasing means; an interference means retained by said housing and positioned in the path of movement of said movable arm, said interference means providing a rest position for said movable arm; and means coupled to said follower means and responsive to the movement thereof for actuating said interference means to thereby allow said movable arm to move from said rest position to an engaged position with one of said discrete contact arms with a snap action motion.
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- Mechanisms For Operating Contacts (AREA)
Description
July 19, 1966 R. E. M VICKER 3 3,
THREE POSITION SNAP SWITCH UTILIZING INTERFERENCE BLADE MEANS 3 5' Sheets-sheet '1 Filed March 4. 1965 RICHARD E. M VICKER ATTOR July 19, 1966 CWCK R 3,261,937
THREE POSITION SNAP SWITCH UTILIZING INTERFERENCE BLADE MEANS Flt B. 5
INVENTOR. RICHARD E. MVI CKER ATTORNEY July 19, 1966 dv g R I i 3,261,937
THREE POSITION SNAP SWITCH UTILIZING INTERFERENCE BLADE MEANS Filed March 4, 1965 5 Sheefc-Sheef 3 7 43 L r\ 3 3|3 3 n k\\\\ 297// i 3 I 9 .3 26 E 4 w/ I6 v 46 J l2 INVENTOR. RICHARD E. m wcxen ATTORNEY United States Patent 3,261,937 THREE POSITION SNAP SWITCH UTILIZING INTERFERENCE BLADE MEANS Richard E. McVicker, Indianapolis, Ind, assignor to P. R. Mallory & Co., Inc., Indianapolis, Ind., a corporation of Delaware Filed Mar. 4, 1965, Ser. No. 437,234 8 Claims. (Cl. 200-457) The present invention relates to snap action mechanisms and more particularly relates to a double throw snap action mechanism having a neutral or off position.
Snap action mechanisms have found great utility in recent years since they are relatively simple and economically manufactured and since they are operable to actuate the mechanims with which they are associated with a positive stroke of the snap blade even though the force which acts to actuate the mechanism is applied very slowly. More particularly such snap action mechanisms have found particular utility in the electrical field in the form of double throw snap action switches since the quick snapping action of the snap blade associated with the mechanism is effective to substantially eliminate arcing between two adjacent contacts.
Heretofore, however, such snap action mechanisms have been simply of the single or double throw type having no provision for maintainin the snap blade associated with the mechanism in an intermediate position. A few double throw mechanisms have been provided; however, while they have a neutral position, they do not provide snap action in both directions. They also require separate actuating means for the top and bottom stroke. Those skilled in the art of designing and using snap action mechanisms and particularly those acquainted with the adaptability of the same to the electric field will recognize the desirability of providing a snap action mechanism having a neutral or off position so that in essence, a triple throw switch having positive snap action in all directions is provided.
It is therefore an object of the present invention to provide a snap action mechanism in which the snap blade associated therewith may be controllably moved to any of three separate positions.
It is an object of the present invention to provide a snap action switch of the type described which may be readily and economically manufactured.
It is an object of the present invention to provide a snap action mechanism wherein the snap blade associated therewith may be moved to any of three separate positions as desired and wherein movement of the snap blade to these respective positions is effected as a function of the degree of movement of the usual actuator lever associated therewith.
The present invention, in another of its aspects, relates to novel features of the instrumentalities described herein for teaching the principal object of the invention and to the novel principles employed in the instrumentalities whether or not these features and principles may be used in the said object and/ or in the said field.
Other objects of the invention and the nature thereof will become apparent from the following description considered in conjunction with the accompanying drawings and wherein like reference numbers describe elements of similar function therein and wherein the scope of the invention is determined rather from the dependent claims.
For illustrative purposes, the invention will be described in conjunction with the accompanying drawings in which:
FIGURE 1 is an exploded view of a snap action mechanism constructed in accordance with the principles of the present invention;
FIGURE 2 is a sectional view of the snap action mechanism showing the snap blade or movable contact in a first position;
FIGURE 3 is a sectional view of the snap action mechanism showing the snap blade or movable contact in an intermediate position;
FIGURE 4 is a sectional view of the snap action mechanism showing the snap blade or movable contact in a third position; and
FIGURE 5 is a sectional view of the snap mechanism showing the snap blade or movable contact in a first position and super-imposed neutral and third positions.
Generally speaking, the present invention relates to a switch mechanism wherein the snap blade or movable contact associated with the mechanism is movable to any one of three selected positions as desired.
In the embodiment of the invention illustrated in FIG- URES 1-5, a snap action mechanism is shown by way of example, and not by way of limitation, being adapted for use as a double throw electrical switch. Switch 10 has movable blade 11 cantilevered in step 13 at a first end of housing 12 and positioned therein by post 14. A cantilevered center resilient blade 11 is located within resilient movable blade 15 and is free to move in a vertical plane therein. Top portion 16' of cam follower 16 is disposed in aperture 16" of blade 11 and aperture 16 of actuating block 17.
Disposed at a second end of housing 12 is cantilevered arm 22 which is positioned by post 23 in step 24. Arm 22 ends in a spade terminal 26 on a first end and has a stationary contact adjacent the second end on the top surface thereof. Insulating pivot block 27 separates arm 22 from upper contact arm 28. Cantilevered arm 28 is held in place by post 23 and by step 29 of block 27. Upper stationary contact 30 is afiixed to the lower side of arm 28 adjacent a first end. The second end of arm 28 terminates in spade terminal 31.
Coil spring 39 straddles boss 40 (FIGS. 2, 3, 4 and 5) of top housing-member 41 and is seated on cap 42. Cap 42 interfits with groove 43 of block 17. Coil spring 39 serves to return cam follower 16 in a downward direction. After assembly top housing member 41 and bottom housing member 12 are heat staked by top portions 43 and 44 of posts 14 and 23 respectively. Bottom housing member 12 has snap-in posts 45 and 46 respectively for rapid assembly into a mounting member for switch 10. The snap-in feature eliminates riveting or screwing switch 10 into its mounting means.
In the operation of switch 10, as cam follower 16 is actuated by cam 47, follower 16 moves in an upward direction until the end portion 36 of blade 11 is higher than tongue 35 of arm 33 which has been at rest against top contact 30 by virtue of contact 37 as shown in FIG- URE 2. When portion 36 of blade 11 is higher than tongue 35, the over center C-spring 34 is subject to maximum stress and the spring reverses and snaps contact arm 33 in a downward direction, there-by breaking contact. As arm 33 continues to move in a downward direction tongue 35 strikes the interference end of blade 15 and comes to rest at that position as shown in FIGURE 3 thereby creating a neutral or off position. Arm 33 will remain in the neutral position until cam follower 16 moves further in an upward direction. As follower 16 moves upwardly, fingers 19 and 1W come into contact with blade 15 and carry the middle portion of the blade 15 in an upward position, causing blade 15 to bow and thereby shortening the overall length. When blade 15 has reached maximum displacement, tongue 35 bypasses end 15' of blade 15 and arm 33 moves in a downward direction from the force of C-spring 34 until contacts 38 and mate thereby providing a second electrical connection as shown in FIGURE 4.
The aforementioned motion is duplicated in reverse as follower 16 is allowed to move in a downward direction as it conforms to the shape of cam 47, because of the downward force exerted by coil spring 39 as shown in FIGURE 5. As can be seen from FIG. 5, the same members provide two cycles, movement from top to neutral to bottom and movement from bottom to neutral to top.
The present invention provides a positive snap action to and from both contacts and a neutral or off position. Thus electrical contact may initially be made to both first and second contacts and a neutral position still be provided.
The present invention as hereinabove described and in its representative embodiment is merely illustrative and not exhaustive in scope. Since many widely differing embodiments of the invention may be made without departing from the scope thereof, it is intended that all matter contained in the above description and shown in the accompanying drawing shall be interpreted as illustrative and not in a limiting sense.
Having thus described my invention, I claim:
1. A snap action switch mechanism having first, intermediate and third positions comprising:
(a) a mounting member;
(b) a pair of transversely spaced arms cantilevered to said mounting member, each of said arms having contacts thereon;
(c) an insulating block separating said arms, said block having a notch therein for receiving a first end of a contact arm;
((1) said contact arm disposed intermediate said spaced arms;
(e) an actuator blade pivotally mounted on said memher, said actuator blade having a notch therein for receiving a top portion of a cam follower;
(f) biasing means interconnecting a second end of said contact arm and said actuator blade for selectively snapping said contact arm toward one of said spaced contacts;
g) an interference blade means mounted on said mounting means for providing a rest position for said movable contact blade, and guide means formed on said mounting means for preventing vertical motion at one section of said interference blade and permitting horizontal motion at another section of said interference blade, finger means on said cam means for actuating said interference blade and said actuator blade thereby allowing said arm to bypass said interference blade;
(h) spring means for urging said actuator blade downwardly;
(i) and a housing member, said housing member being heat staked to said mounting member.
2. A snap action switch mechanism having first, intermediate and third positions comprising:
(a) a mounting member;
(b) a pair of transversely spaced arms cantilevered to said mounting member, each of said arms having contacts thereon;
(c) an insulating block separating said arms, said block having a notch therein for receiving a first end of a contact arm;
(d) said contact arm disposed intermediate said spaced arms;
(e) an actuator blade pivotally mounted on said member, said actuator blade having a notch therein for receiving a top portion of a cam follower;
(f) biasing means interconnecting a second end of said contact arm and said actuator blade for selectively snapping said contact arm toward one of said spaced contacts;
(g) an interference blade means mounted on said mounting means for providing a rest position for said movable contact blade, and guide means formed on said mounting means for preventing vertical motion at one section of said interference blade and permitting horizontal motion at another section of said interference blade, finger means on said cam means for actuating said interference blade and said actuator blade thereby allowing said arm to bypass said interference blade;
(h) spring means for urging said actuator blade downwardly;
(i) and a housing.
3. A snap action switch mechanism having first, intermediate and third positions comprising:
(a) amountingmember;
(b) a pair of transversely spaced contact arms affixed to said mounting member;
(c) an insulating block separating said arms, said block having a notch therein for receiving a first end of a contact arm;
((1) said contact arm disposed intermediate said spaced arms;
(e)'an actuator blade pivotally mounted on said member, said actuator blade having a notch therein for receiving a top portion of a cam follower;
(f) biasing means interconnecting a second end of said contact arm and said actuator blade for selectively snapping said contact arm toward one of said spaced contacts;
g) an interference blade means mounted on said mounting means for providing a rest position for said movable contact blade, and guide means formed on said mounting means for preventing vertical motion at one section of said interference blade and permitting horizontal motion at another section of said interference blade, finger means on said cam means for actuating said interference blade and said actuator blade thereby allowing said arm to bypass said interference blade;
(h) spring means for urging said actuator blade downwardly;
(i) andahousing.
4. A snap action switch mechanism having first, intermediate and third positions comprising:
(a) a mounting member;
(b) a pair of transversely spaced contact arms affixed to said mounting member;
(0) a movable contact arm disposed intermediate said spaced arms;
(d) an actuator blade pivotally mounted on said member, said actuator blade having a notch therein for receiving a top portion of a cam follower;
(e) biasing means interconnecting said movable contact arm and said actuator blade for selectively snapping said contact arm toward one of said spaced contacts;
(f) an interference blade means mounted on said mounting means for providing a rest position for said movable contact blade, and guide means formed on said mounting means for preventing vertical motion at one section of said interference blade and permitting horizontal motion at another section of said interference blade, finger means on said cam means for actuating said interference blade and said actuator blade thereby allowing said arm to bypass said interference blade;
(g) spring means for urging said actuator blade downwardly;
(h) and a housing member.
5. A snap action switch mechanism comprising:
(a) a mounting member;
(b) a pair of spaced apart contact arms afiixed to said mounting member;
(c) a movable contact arm disposed intermediate said spaced apart arms;
((1) an actuator blade pivotally mounted on said member, a cam follower engaging said actuator blade;
(e) biasing means interconnecting said movable contact arm and said actuator blade for selectively snapping said contact arm toward one of said spaced con tacts;
(f) an interference blade means mounted on said mounting means for providing a rest position for said movable contact blade, and guide means formed on said mounting means for preventing vertical motion at one section of said interference blade and permitting horizontal motion at another sectiton of said interference blade, finger means on said cam means for actuating said interference blade and said actuator blade thereby allowing said arm to bypass said interference blade;
(g) spring means for urging said actuator blade downwardly;
(h) and a housing member.
6. A snap action switch comprising: a housing, a plurality of discrete contact arms mounted in said housing, a movable contact arm mounted in said housing and connected to an actuator means by a bias means, follower means coupled to said actuator means for actuating said movable contact arm to predetermined positions in a snap action manner, means supported by said housing and including an interference portion, said portion positioned in the path of movement of said movable contact arm, and means coupled to said follower means and responsive to the movement thereof for actuating said portion to thereby allow said movable contact arm to move into engagement with one of said discrete contact arms.
7. A switch mechanism comprising:
(a) ahousing;
(b) a spaced apart contact carrying means retained by said housing;
(c) a movable contact carrying means disposed intermediate said spaced apart contact carrying means;
(d) an actuator means retained by said housing, a follower means engaging said actuator means, said actuator means displaced by a displacement of said follower means;
(e) biasing means interconnecting said movable contact carrying means and said actuator means for displacing said contact carrying means toward one of said spaced apart contact carrying means; and
(f) an interference means retained by said housing for providing a rest position for said movable contact carrying means, and guide means on said mounting means for substantially preventing vertical motion at one section of said interference means and permitting horizontal motion at another section of said interference means, means on said follower means for actuating said interference means and said ac tuator means thereby allowing said movable contact carrying means to move from said intermediate position to an engaged position with said one contact carrying means.
8. A snap action switch comprising: a housing; a plurality of discrete arms retained in said housing in spaced relationship; a movable contact carrying arm disposed between said spaced apart contact arms; an actuator means having one portion retained by said housing and a second portion coupled to said movable arm by a biasing means, said biasing means for snapping said movable arm toward one of said discrete contact arms; follower means coupled to said actuator means for actuating said movable arm to predetermined positions through displacement of said actuator means and said biasing means; an interference means retained by said housing and positioned in the path of movement of said movable arm, said interference means providing a rest position for said movable arm; and means coupled to said follower means and responsive to the movement thereof for actuating said interference means to thereby allow said movable arm to move from said rest position to an engaged position with one of said discrete contact arms with a snap action motion.
No references cited.
ROBERT K. SCHAEFER, Primary Examiner.
Claims (1)
- 8. A SNAP ACTION SWITCH COMPRISING: A HOUSING; A PLURALITY OF DISCRETE ARMS RETAINED IN SAID HOUSING IN SPACED RELATIONSHIP; A MOVABLE CONTACT CARRYING ARM DISPOSED BETWEEN SAID SPACED APART CONTACT ARMS; AN ACTUATOR MEANS HAVING ONE PORTION RETAINED BY SAID HOUSING AND A SECOND PORTION COUPLED TO SAID MOVABLE ARM BY A BIASING MEANS, SAID BIASING MEANS FOR SNAPPING SAID MOVABLE ARM TOWARD ONE OF SAID DISCRETE CONTACT ARMS; FOLLOWER MEANS COUPLED TO SAID ACTUATOR MEANS FOR ACTUATING SAID MOVABLE ARM TO PREDETERMINED POSITIONS THROUGH DISPLACEMENT OF SAID ACTUATOR MEANS AND SAID BIASING MEANS; AN INTERFERENCE MEANS RETAINED BY SAID HOUSING AND POSITIONED IN THE PATHL OF MOVEMENT OF SAID MOVABLE ARM, SAID INTERFERENCE MEANS PROVIDING A REST POSITION FOR SAID MOVABLE ARM; AND MEANS COUPLED TO SAID FOLLOWER MEANS AND RESPONSIVE TO THE MOVEMENT THEREOF FOR ACTUATING SAID INTERFERENCE MEANS TO THEREBY ALLOW SAID MOVABLE ARM TO MOVE FROM SAID REST POSITION TO AN ENGAGED POSITION WITH ONE OF SAID DISCRETE CONTACT ARMS WITH A SNAP ACTION MOTION. CRETE CONTACT ARMS WITH A SNAP MOTION.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US437234A US3261937A (en) | 1965-03-04 | 1965-03-04 | Three position snap switch utilizing interference blade means |
| GB6520/66A GB1096515A (en) | 1965-03-04 | 1966-02-15 | Snap-action electric switch |
| DEM68600A DE1263136B (en) | 1965-03-04 | 1966-03-02 | Snap action switch with two on positions and one off position in between |
| FR51824A FR1478477A (en) | 1965-03-04 | 1966-03-03 | Snap action switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US437234A US3261937A (en) | 1965-03-04 | 1965-03-04 | Three position snap switch utilizing interference blade means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3261937A true US3261937A (en) | 1966-07-19 |
Family
ID=23735616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US437234A Expired - Lifetime US3261937A (en) | 1965-03-04 | 1965-03-04 | Three position snap switch utilizing interference blade means |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3261937A (en) |
| DE (1) | DE1263136B (en) |
| GB (1) | GB1096515A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3852542A (en) * | 1973-09-14 | 1974-12-03 | S & C Electric Co | Adjustable cam multiple contact switch arrangement |
| US20100140060A1 (en) * | 2008-12-10 | 2010-06-10 | Honeywell International Inc. | Ignition key switch apparatus with improved snap action mechanism |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50128675U (en) * | 1974-04-05 | 1975-10-22 | ||
| JPS52101493A (en) * | 1976-02-20 | 1977-08-25 | Alps Electric Co Ltd | Fixed structure of terminal and method of fixing thereof |
| KR860000795B1 (en) * | 1981-12-15 | 1986-06-25 | 무네요시 미야다 | Sealing cover of leaf switch |
| DE19523486B4 (en) * | 1995-06-28 | 2006-07-06 | Marquardt Gmbh | snap switches |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2360128A (en) * | 1943-03-12 | 1944-10-10 | Gen Electric | Snap-action device |
| DE1795762U (en) * | 1957-06-22 | 1959-09-17 | Otto Ramstetter | SWITCHING DEVICE FOR SHORT-TERM CLOSING (WIPING CONTACT) OR OPEN (SHORT BREAK) OF AN ELECTRIC CIRCUIT. |
-
1965
- 1965-03-04 US US437234A patent/US3261937A/en not_active Expired - Lifetime
-
1966
- 1966-02-15 GB GB6520/66A patent/GB1096515A/en not_active Expired
- 1966-03-02 DE DEM68600A patent/DE1263136B/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| None * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3852542A (en) * | 1973-09-14 | 1974-12-03 | S & C Electric Co | Adjustable cam multiple contact switch arrangement |
| US20100140060A1 (en) * | 2008-12-10 | 2010-06-10 | Honeywell International Inc. | Ignition key switch apparatus with improved snap action mechanism |
| US8173915B2 (en) * | 2008-12-10 | 2012-05-08 | Honeywell International Inc. | Ignition key switch apparatus with improved snap action mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1263136B (en) | 1968-03-14 |
| GB1096515A (en) | 1967-12-29 |
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