US2911509A - Switch actuating device - Google Patents

Switch actuating device Download PDF

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Publication number
US2911509A
US2911509A US735527A US73552758A US2911509A US 2911509 A US2911509 A US 2911509A US 735527 A US735527 A US 735527A US 73552758 A US73552758 A US 73552758A US 2911509 A US2911509 A US 2911509A
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Prior art keywords
switch
plunger
actuating device
arm
legs
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US735527A
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Millerwise Carl Herman
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American Radiator and Standard Sanitary Corp
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American Radiator and Standard Sanitary Corp
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Priority to US735527A priority Critical patent/US2911509A/en
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Publication of US2911509A publication Critical patent/US2911509A/en
Priority to BE589211A priority patent/BE589211Q/en
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Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error
    • 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
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H01H13/18—Operating parts, e.g. push-button 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
    • H01H13/186—Operating parts, e.g. push-button 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 wherein the pushbutton is rectilinearly actuated by a lever pivoting on the housing of the switch

Definitions

  • the present invention relates to a switch actuating More particularly, this invention relates to an actuator structure -fora .plunger-operated switch havlng a l housing. with a surface through which a plunger projects and .Side surfaces extending from the plunger surface.
  • vIt is anobject of this invention to provide a novel switch v actuating device for a plunger operated switch.
  • a further object of the invention is the provision of a Vswitch actuating device which may be mounted on installed switches without removing'y the ,switch mounting means or otherwise disassembling the switch.
  • Another object is .to .provide a switch actuator-having a y ,resilient arm to actuate the switch plunger whereby the switch may be used for automatic intermittent switching y.operations such, for example', as limit switch applications.
  • VA still further object of thisinvention is the provision Y vof .a 4switch actuating device which ⁇ may be produced as .a .one-piece unit.
  • Another ⁇ object is the provision ofa switch actuating v device which may be'produced as a relativelyl low cost 7item as a result of its smplied construction.
  • Fig.,1 is a side elevational view of a switch actuating .device constructed according .to the present invention.
  • Fig, 2 l is a top plan view of the switch actuating device 4of Fig. 1 installed on a plunger type switch.
  • Fig. 3 is a side elevational view .of .the switch actuating device .of Fig. 1 installed on a plungertypev switch having ,recess mountingrneans for engagement with projections jon the legs of the actuating device.
  • Fig. 4 is a segmental view of one end of the switch actuating device showing a second embodimentl of the switch housing provided with projecting mounting means for .engagement with projections on the legs of the actuating device.
  • Fig. 5 is an end elevationalview of the Fig. 1 embodiment.
  • the arm 14 is deectable downwardly in the arrow 11 direction toward the bracket 18 to depress the plunger 16 whichoperates the switch 12 to an open or closed condition.
  • the arm 14, being resilient, will always return to its normal at-rest position when the deflecting force is removed.
  • the switch actuating device 10 as thus constructed may be used for a variety of switching .operations. i
  • the switch 12 comprises a switch housing 28 having a generally oblong construction.
  • the housing 28 has -an upper surface ⁇ 32 through which the switch plunger element 16 projects.
  • the housing 2,8 is also provided with side surfaces 24, 26 extending downwardly from the upper surface 3.2. While a generally oblong structure has been shown for the switch housing 28, it will be obvious to one skilled in the art that the present invention is capable of being adapted to other housing shapes which may have, for instance, curved or angular surfaces.
  • the switch 12 as shown for purposes of illustration is an electrical switch having switch terminals 50, 52 and 54, however, within the scope of lthe present invention it is only necessary that the switch 12 be of the plunger operated type.
  • a plungeroperated switch is similar to the conventional on-ott switch and may have any desired internal switch construction. The switch may be either normally open or normally closed and is equipped with ya push button type ,of
  • the legs 20, 22 are interconnected by means of an elongated web member 30 which extends across the upper surface 32 of the switch housing 28.
  • the central portion of the web 30 is cut-away to form the elongated resilient actuating arm 14.
  • the arm 14 has one of its ends 36 attached to the bracket 18 adjacent the leg 20 and has its opposite end 38 free, thus forming a movable spring leaf lever.
  • the arm 14 is otiset from the web 30, and consequently spaced from the plunger 16 which extends through the central open pori portion 34.
  • the arm 14 as shown in Figs. l and 3, ex-
  • the legs '20, 22 are sprung inwardly as Shown in Fig. l to provide a clamping engagement with the side walls 24, 26 of the switch housing 28.
  • the legs 20, 22 may additionally be provided with resilient flat projections 4t), 42 to engage recesses 44, 46 formed in the side walls 24, 26.
  • the projections 40, 42 may be formed from the material of the legs 2t), 22 as shown in Fig. 5 by a method such, for example,
  • a second embodiment as shown in Fig. 4 is also i mounted on the switch 12 by simply forcing the actuator legs down the sides 24, 26 until the projections 40; 42 snap into engagement with the recesses 44, 46 or the projections 48 as the case may be. It will be noted that due to the locking engagement of the projections 40, 42 to prevent vertical movement and of the switch plunger element 16 which projects through the web 30 to prevent sidewise movement, the actuator cannot be accidentally removed from the switch 12. Before the actuator 10 can be removed, the projections '40, 42 must be bent outwardly, away from the walls 24, 26, tol disengage them from the recesses 44, 46 or the projections 48. This will free the actuator 10 for upward movement and it may be thus conveniently removed from the switch' 12, but only when desired.
  • the switch actuating device 10 is preferably fabricated from a single flat strip of resilient material such as spring steel to the end that the legs 20, 22, projections 40, 42 and the arm 14 will not be subject to permanent deformation due to the forces encountered during use. Resiliency is particularly important in reference to the arm 14 which in operation is subject to repeated ilexing and must return to its open position after the closing force is removed.
  • the switch 12 may be l used as a limit switch, it may be desirable to mount v roller elements in the arm 14 to reduce the friction between the arm 14 and the follower element which is usually provided to slide over and deect such limit switch actuating arms. It may also be desirable in some instances to hingedly mount the arm 14 to the bracket 18 rather than to form the arm 14 integrally therewith as a spring leaf actuating arm as shown in Fig. l.
  • the arm 14 might be hingedly mounted, for instance, when it is desired to have it remain in either the opened or closed position without the continued application of an external force.
  • An actuator structure for a plunger operated switch having a housing with a surface through which a plunger projects; said actuator structure comprising wall means; detent means on said wall means for clamping engagement with the switch housing and Iactuator means movably carried by the wall means for actuating the switch plunger.
  • a switch actuating device for use with a plunger operated switch having a housing provided with a surface through which the plunger projects and side surfaces extending adjacent the plunger surface; said actuating device comprising a mounting bracket portion having a web portion; a pair of legs depending from opposite ends of the web portion; said legs having detent means adapted to clampingly engage said switch housing side surfaces; and an elongated arm having one of its ends attached to the bracket and having its opposite end free; said arm adapted to extend over the plunger and adapted to be normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the plunger when moved toward the switch housing.
  • a switch actuating device for use with a plunger operated switch having ya surface through which the plunger projects and side surfaces extending fro-rn the plunger surface; said actuator comprising a generally U-shaped mounting bracket portion having ⁇ a pair of inwardly sprung legs; detent means on said legs adapted to engage said side surfaces; the legs being interconnected by means of an elongated member adapted to extend across the plunger surface; and an elongated resilient arm having one of its ends attached to the bracket adjacent 'one leg and having its ,opposite end free; said arm extending over the plunger and normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the plunger when moved ⁇ toward the elongated interconnecting bracket member.
  • a switch actuating device for use with a plunger operated switch having a surface through which the plunger projects, side surfaces extending from the plunger surface, and a recess formed in each of the side surfaces; said actuating device comprising a generally U-shaped mounting bracket portion having a web portion adapted to extend across the plunger surface; a pair of resilient legs depending from opposite ends of the web portion sprung inwardly towards one another; an inwardly extending resilient projection on the inner surface of each of the legs; said legs adapted to clampingly engage said switch housing sides with each of the inwardly extending projections lockingly engaging the recess provided in each of said side surfaces; and an elongated resilient arm having one of its ends attached to the bracket and having its opposite end free; said arm adapted to extend over the plunger and adapted to be normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the plunger when moved toward the switch.
  • a switch actuating device for use with a plunger operated switch having a surface through which the plunger projects, side surfaces extending from the plunger surface, and a projection formed on each of the side surfaces; said actuating device comprising a generally U-shaped mounting bracket portion having a web yportion adapted to extend across the plunger surface; a pair of resilient legs depending from opposite ends of the web portion sprung inwardly towards one another; an inwardly extending resilient projection on the inner surface of each of the legs; said legs adapted to clampingly engage said switch housing sides with each of the inwardlyV extending leg projections abutting; against the lower portion of the projection provided on each of said side surfaces in locking engagement therewith; and an elongated resilient arm having one of its ends attached to the bracket and having its opposite end free; said arm adapted to extend over the plunger and adapted to be normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the plunger when'moved toward the switch.
  • a switch actuating device for use with a plunger operated switch having a surface through which the plunger projects, side surfaces extending from the plunger surface, and a recess formed in each of the side surfaces; said actuating device comprising a generally U-shaped mounting bracket portion having a web portion adapted to extend across the plunger surface; a pair of resilient flat legs depending from opposite ends of the web portion sprung inwardly towards one another; an inwardly and upwardly extending at resilient projection on the inner surface of each of the legs; said legs adapted to clampingly engage said switch housing sides with each of the inwardly extending projections lockingly engaging the recess provided in each of said side surfaces; and an elongated resilient arm having one of its ends attached to the bracket and having its opposite end free; said arm adapted to extend over the plunger and adapted to be f normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the plunger when moved toward the switch.
  • a switch actuating device for use with a plunger operated switch having a surface through which the plunger projects, side surfaces extending from the plunger surface, and a recess formed in each of the side surfaces; said actuating device comprising a generally U-shaped mounting bracket portion having a web formed with an elongated central opening adapted to extend acrossthe plunger surface with the switch plunger extending through the web opening; a pair of resilient flat legs depending from Vopposite ends of the web portion sprung inwardly towards one another; an inwardly and upwardly f 2,91 1,509 5 6 extending fiat resilient projection on the inner surface of References Cited in the le of this patent each of the legs; said legs adapted to clampingly engage said switch housing sides with each of the inwardly eX- UNITED STATES PATENTS tending projections lockingly engaging the recess pro- 2,413,130 Aitken DeC- 24, 1946 vided in each of said side surfaces; and an elongated at 5 2,454,341 Repka Nov.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mechanisms For Operating Contacts (AREA)

Description

NOV- 3, 1959 c. H. MlLLERwlsE 2,911,509
SWITCH ACTUATING DEVICE Filed May l5, k1958 TIE- l0 305 Z 3oB 32 2.2 zz
' 26 26 f x W IZ) (.28 L25 5o SZ ElE-` E INVENTOR- CRL y. H/LEKu//SE Snr/m5 unse/x4 EMS/Henne device.
SWITCH ACTUATING DEVICE v(Earl `Herman Millerwise, Trumbull, Conn., assiguor to American Radiator & Standard Sanitary Corporation,
nNew York, N.Y., a corporation of Delaware applicati@ May 1s, 195s, serial No. 135,521
' 1.claims. (ci. zoo- 172) The present invention relates to a switch actuating More particularly, this invention relates to an actuator structure -fora .plunger-operated switch havlng a l housing. with a surface through which a plunger projects and .Side surfaces extending from the plunger surface.
vIt is anobject of this invention to provide a novel switch v actuating device for a plunger operated switch.
vIt lis tmOther object Vof the invention to provide such a switch actuating device having Ysnap-on bracket means y vfor clamping engagement with the switch housing to provide a unit which may be easily mounted on a switch 'without theuse of screws or other additional fastening means.
A further object of the invention is the provision of a Vswitch actuating device which may be mounted on installed switches without removing'y the ,switch mounting means or otherwise disassembling the switch.
Another object is .to .provide a switch actuator-having a y ,resilient arm to actuate the switch plunger whereby the switch may be used for automatic intermittent switching y.operations such, for example', as limit switch applications.
' VA still further object of thisinvention is the provision Y vof .a 4switch actuating device which `may be produced as .a .one-piece unit. Another `object is the provision ofa switch actuating v device which may be'produced as a relativelyl low cost 7item as a result of its smplied construction.
' Other objects of this inventionwill appear in the following description and appended claims, reference being had to the accompanying drawings forming a part of this ,specication wherein like reference characters designate corresponding parts in the severalviews.
. In the drawings:
Fig.,1 is a side elevational view of a switch actuating .device constructed according .to the present invention.
"Fig, 2 lis a top plan view of the switch actuating device 4of Fig. 1 installed on a plunger type switch.
Fig. 3 is a side elevational view .of .the switch actuating device .of Fig. 1 installed on a plungertypev switch having ,recess mountingrneans for engagement with projections jon the legs of the actuating device.
Fig. 4 is a segmental view of one end of the switch actuating device showing a second embodimentl of the switch housing provided with projecting mounting means for .engagement with projections on the legs of the actuating device.
Fig. 5 is an end elevationalview of the Fig. 1 embodiment.
' Before explaining the present invention in detail, it is Y to y,be understood that the invention is not limited in its rkapplication to the details of construction and arrangepurpose yof description and It is contemplated by this invention to provide'a switch United States Patent 'i VCC y actuating device having a mounting bracket 18 which may be snapped onto a switch 12, as may be best seen in Figs. 2 and 3, without the use of screws or other fastening means. The mounting bracket 1,8 carries the switch actuating portion of the device 10 which comprises a resilient arm`14 which .extends over the switch plunger element 16 and, in lits normal at-rest position, is vspaced therefrom. The arm 14 is deectable downwardly in the arrow 11 direction toward the bracket 18 to depress the plunger 16 whichoperates the switch 12 to an open or closed condition. The arm 14, being resilient, will always return to its normal at-rest position when the deflecting force is removed. The switch actuating device 10 as thus constructed may be used for a variety of switching .operations. i
As may be seen in Figs. 2 and 3, the switch 12 comprises a switch housing 28 having a generally oblong construction. The housing 28 has -an upper surface `32 through which the switch plunger element 16 projects. The housing 2,8 is also provided with side surfaces 24, 26 extending downwardly from the upper surface 3.2. While a generally oblong structure has been shown for the switch housing 28, it will be obvious to one skilled in the art that the present invention is capable of being adapted to other housing shapes which may have, for instance, curved or angular surfaces. The switch 12 as shown for purposes of illustration is an electrical switch having switch terminals 50, 52 and 54, however, within the scope of lthe present invention it is only necessary that the switch 12 be of the plunger operated type. A plungeroperated switch is similar to the conventional on-ott switch and may have any desired internal switch construction. The switch may be either normally open or normally closed and is equipped with ya push button type ,of
. adapted to clampingly engage the side surfaces 24, 26 of the switch housing 28. The legs 20, 22 are interconnected by means of an elongated web member 30 which extends across the upper surface 32 of the switch housing 28. The central portion of the web 30 is cut-away to form the elongated resilient actuating arm 14. The arm 14 has one of its ends 36 attached to the bracket 18 adjacent the leg 20 and has its opposite end 38 free, thus forming a movable spring leaf lever. The arm 14 is otiset from the web 30, and consequently spaced from the plunger 16 which extends through the central open pori portion 34. The arm 14 as shown in Figs. l and 3, ex-
tion of the web 30, by means of an upwardly extending tends outwardly from the offsetting portion 34 and may be directed upwardly at a slight angle to the web 30 to provide additional'spacing from the plunger 16.
As previously mentioned, the legs '20, 22 are sprung inwardly as Shown in Fig. l to provide a clamping engagement with the side walls 24, 26 of the switch housing 28. The legs 20, 22 may additionally be provided with resilient flat projections 4t), 42 to engage recesses 44, 46 formed in the side walls 24, 26. The projections 40, 42 may be formed from the material of the legs 2t), 22 as shown in Fig. 5 by a method such, for example,
it provides a positive locking arrangement and permits legs- 20, [22 to be flush with the side surfaces 24, 26.
However, a second embodiment as shown in Fig. 4 is also i mounted on the switch 12 by simply forcing the actuator legs down the sides 24, 26 until the projections 40; 42 snap into engagement with the recesses 44, 46 or the projections 48 as the case may be. It will be noted that due to the locking engagement of the projections 40, 42 to prevent vertical movement and of the switch plunger element 16 which projects through the web 30 to prevent sidewise movement, the actuator cannot be accidentally removed from the switch 12. Before the actuator 10 can be removed, the projections '40, 42 must be bent outwardly, away from the walls 24, 26, tol disengage them from the recesses 44, 46 or the projections 48. This will free the actuator 10 for upward movement and it may be thus conveniently removed from the switch' 12, but only when desired.
The switch actuating device 10 is preferably fabricated from a single flat strip of resilient material such as spring steel to the end that the legs 20, 22, projections 40, 42 and the arm 14 will not be subject to permanent deformation due to the forces encountered during use. Resiliency is particularly important in reference to the arm 14 which in operation is subject to repeated ilexing and must return to its open position after the closing force is removed.
In some applications, as when the switch 12 is to be l used as a limit switch, it may be desirable to mount v roller elements in the arm 14 to reduce the friction between the arm 14 and the follower element which is usually provided to slide over and deect such limit switch actuating arms. It may also be desirable in some instances to hingedly mount the arm 14 to the bracket 18 rather than to form the arm 14 integrally therewith as a spring leaf actuating arm as shown in Fig. l. The arm 14 might be hingedly mounted, for instance, when it is desired to have it remain in either the opened or closed position without the continued application of an external force.
Having thus described my invention, I claim:
l. An actuator structure for a plunger operated switch having a housing with a surface through which a plunger projects; said actuator structure comprising wall means; detent means on said wall means for clamping engagement with the switch housing and Iactuator means movably carried by the wall means for actuating the switch plunger.
2. A switch actuating device for use with a plunger operated switch having a housing provided with a surface through which the plunger projects and side surfaces extending adjacent the plunger surface; said actuating device comprising a mounting bracket portion having a web portion; a pair of legs depending from opposite ends of the web portion; said legs having detent means adapted to clampingly engage said switch housing side surfaces; and an elongated arm having one of its ends attached to the bracket and having its opposite end free; said arm adapted to extend over the plunger and adapted to be normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the plunger when moved toward the switch housing.
3. A switch actuating device for use with a plunger operated switch having ya surface through which the plunger projects and side surfaces extending fro-rn the plunger surface; said actuator comprising a generally U-shaped mounting bracket portion having `a pair of inwardly sprung legs; detent means on said legs adapted to engage said side surfaces; the legs being interconnected by means of an elongated member adapted to extend across the plunger surface; and an elongated resilient arm having one of its ends attached to the bracket adjacent 'one leg and having its ,opposite end free; said arm extending over the plunger and normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the plunger when moved `toward the elongated interconnecting bracket member.
4. A switch actuating device for use with a plunger operated switch having a surface through which the plunger projects, side surfaces extending from the plunger surface, and a recess formed in each of the side surfaces; said actuating device comprising a generally U-shaped mounting bracket portion having a web portion adapted to extend across the plunger surface; a pair of resilient legs depending from opposite ends of the web portion sprung inwardly towards one another; an inwardly extending resilient projection on the inner surface of each of the legs; said legs adapted to clampingly engage said switch housing sides with each of the inwardly extending projections lockingly engaging the recess provided in each of said side surfaces; and an elongated resilient arm having one of its ends attached to the bracket and having its opposite end free; said arm adapted to extend over the plunger and adapted to be normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the plunger when moved toward the switch.
5. A switch actuating device for use with a plunger operated switch having a surface through which the plunger projects, side surfaces extending from the plunger surface, and a projection formed on each of the side surfaces; said actuating device comprising a generally U-shaped mounting bracket portion having a web yportion adapted to extend across the plunger surface; a pair of resilient legs depending from opposite ends of the web portion sprung inwardly towards one another; an inwardly extending resilient projection on the inner surface of each of the legs; said legs adapted to clampingly engage said switch housing sides with each of the inwardlyV extending leg projections abutting; against the lower portion of the projection provided on each of said side surfaces in locking engagement therewith; and an elongated resilient arm having one of its ends attached to the bracket and having its opposite end free; said arm adapted to extend over the plunger and adapted to be normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the plunger when'moved toward the switch.
6. A switch actuating device for use with a plunger operated switch having a surface through which the plunger projects, side surfaces extending from the plunger surface, and a recess formed in each of the side surfaces; said actuating device comprising a generally U-shaped mounting bracket portion having a web portion adapted to extend across the plunger surface; a pair of resilient flat legs depending from opposite ends of the web portion sprung inwardly towards one another; an inwardly and upwardly extending at resilient projection on the inner surface of each of the legs; said legs adapted to clampingly engage said switch housing sides with each of the inwardly extending projections lockingly engaging the recess provided in each of said side surfaces; and an elongated resilient arm having one of its ends attached to the bracket and having its opposite end free; said arm adapted to extend over the plunger and adapted to be f normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the plunger when moved toward the switch.
7. A switch actuating device for use with a plunger operated switch having a surface through which the plunger projects, side surfaces extending from the plunger surface, and a recess formed in each of the side surfaces; said actuating device comprising a generally U-shaped mounting bracket portion having a web formed with an elongated central opening adapted to extend acrossthe plunger surface with the switch plunger extending through the web opening; a pair of resilient flat legs depending from Vopposite ends of the web portion sprung inwardly towards one another; an inwardly and upwardly f 2,91 1,509 5 6 extending fiat resilient projection on the inner surface of References Cited in the le of this patent each of the legs; said legs adapted to clampingly engage said switch housing sides with each of the inwardly eX- UNITED STATES PATENTS tending projections lockingly engaging the recess pro- 2,413,130 Aitken DeC- 24, 1946 vided in each of said side surfaces; and an elongated at 5 2,454,341 Repka Nov. 23, 1948 resilient arm having one of its ends attached to the 2,547,765 Lund Apr. 3, 1951 bracket adjacent one leg and having its opposite end 2,612,368 Ransome Sept. 30, 1952 free; said arm adapted to extend over the plungerand 2,648,234 Lester Augl 11,1953
adapted to be normally spaced therefrom whereby it is adapted to be swung into pressure engagement with the 10 plunger when moved toward the switch.
US735527A 1958-05-15 1958-05-15 Switch actuating device Expired - Lifetime US2911509A (en)

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BE589211A BE589211Q (en) 1958-05-15 1960-03-30 Device for actuating a switch.

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Cited By (16)

* Cited by examiner, † Cited by third party
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US3130280A (en) * 1960-10-03 1964-04-21 Admos Inc Article sensing device for an article supporting chute
US3155807A (en) * 1960-01-19 1964-11-03 Westinghouse Electric Corp Auxiliary actuating means for actuating a circuit controlling wiring device
US3161739A (en) * 1961-05-15 1964-12-15 Leonard S Suozzo Level and position sensing switch and indicating apparatus for piping or the like
DE1184838B (en) * 1963-04-09 1965-01-07 Ramstetter Otto Elektro Attachment with adjustable transmission ratio for microswitches
US3198925A (en) * 1962-08-27 1965-08-03 Bendix Corp Miniature switch actuator with adjustable mounting means
US3323087A (en) * 1966-04-18 1967-05-30 Exxon Research Engineering Co Switch for detecting magnetic members
DE1247439B (en) * 1964-07-15 1967-08-17 Heinrich Kissling Attachment device for snap-action switches
US3484572A (en) * 1968-07-30 1969-12-16 American Mach & Foundry Lever for switch actuation and hinge therefor
US3700843A (en) * 1971-11-05 1972-10-24 Honeywell Inc Snap-in rigid lever actuating arrangement
US3720802A (en) * 1971-06-08 1973-03-13 Schaltbau Gmbh Switch actuation with lever action
US3809837A (en) * 1971-09-30 1974-05-07 Matsushita Electric Works Ltd Microswitch with readily removable leaf spring actuating means
JPS49117463U (en) * 1973-02-06 1974-10-07
JPS5069668U (en) * 1973-10-31 1975-06-20
US5130505A (en) * 1990-09-28 1992-07-14 Eaton Corporation Mechanism for micro switch securement
US20050178885A1 (en) * 2003-01-17 2005-08-18 Clifford Jackson Method and apparatus for supporting aircraft components, including actuators
US20100237199A1 (en) * 2009-03-18 2010-09-23 Clifford Jackson Adjustable servomechanism assemblies and associated systems and methods

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Publication number Priority date Publication date Assignee Title
US2413130A (en) * 1945-03-01 1946-12-24 William J Aitken Snap action switch
US2454341A (en) * 1944-09-07 1948-11-23 First Ind Corp Switch operating mechanism
US2547765A (en) * 1948-11-05 1951-04-03 W L Maxson Corp Switch actuator
US2612368A (en) * 1946-02-18 1952-09-30 Honeywell Regulator Co Switch actuator
US2648234A (en) * 1950-06-10 1953-08-11 Honeywell Regulator Co Momentary action actuator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454341A (en) * 1944-09-07 1948-11-23 First Ind Corp Switch operating mechanism
US2413130A (en) * 1945-03-01 1946-12-24 William J Aitken Snap action switch
US2612368A (en) * 1946-02-18 1952-09-30 Honeywell Regulator Co Switch actuator
US2547765A (en) * 1948-11-05 1951-04-03 W L Maxson Corp Switch actuator
US2648234A (en) * 1950-06-10 1953-08-11 Honeywell Regulator Co Momentary action actuator

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155807A (en) * 1960-01-19 1964-11-03 Westinghouse Electric Corp Auxiliary actuating means for actuating a circuit controlling wiring device
US3130280A (en) * 1960-10-03 1964-04-21 Admos Inc Article sensing device for an article supporting chute
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