US3021403A - Quick disconnect device - Google Patents
Quick disconnect device Download PDFInfo
- Publication number
- US3021403A US3021403A US14485A US1448560A US3021403A US 3021403 A US3021403 A US 3021403A US 14485 A US14485 A US 14485A US 1448560 A US1448560 A US 1448560A US 3021403 A US3021403 A US 3021403A
- Authority
- US
- United States
- Prior art keywords
- housing
- piston
- movable
- fixed
- insulation member
- 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
- H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H9/042—Explosion-proof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
- H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
Definitions
- This invention relates to electrical switches and more particularly to an electrical switch which is safelyoper able in the vicinity of flammable gas or fumes.
- An electrical switch including a casing closed at one f of its ends by a fixed insulation member having a first electrical conductor extending therethrough, an insulation member movable in said casing to form an enclosure between said insulation members and having a second electrical conductor extending therethrough, means fixed to said movable insulation member and having a flange exwhich includes a casing 10 having threaded onto one of a its ends a sleeve 11 by which it is fixed to an insulation member 12.
- An insulation member 13 is movable within the casing 10 and has extending through it a contact ber 15 extending through the fixed insulation member 12.
- An O-ring seal 16 is between the casing 10 and the member 12 and a similar seal 17 is between the casing 10 and the member 13.
- a housing 18 extends through the member 12 and is fixed thereto by means of an external ridge 19 and a snap ring 20, an O-ring seal 21 being provided between the member 12 and the housing 18.
- alpiston 22 which tending transversely of said casing, a housing fixed to and extending through said fixed insulation member, said housing having at its inner end an opening receiving said flange, a piston movable in said housing, and a latch pivoted to the inner end of said piston and cooperating with said opening and said flange to lock said piston to, said housing, said piston being movable to unlock said. piston from said housing and to move said movable in- Jsulation member away from said fixed insulation member. member 14 whi'chis arranged to engage a contact mem- 2.
- An electrical switch including a casing closed at one member movable in said casing to form an enclosure between said insulation members and having a second electrical conductor extending therethrough, means fixed to said movable insulation member and having a flange exhas pivoted to its inner end a catch 23.
- This catch (1) is biased by a spring pin 32 so that it may be activated-to rotate in a counterclockwise direction and (2) cooperates with the housing 18 and a member 24 to lock the switchin its closed position.
- Themember 24 is fixed to the movable insulation member 13 by a nut 31a and is surrounded by a seal ring 25.
- a similar seal ring 26 is provided between the piston 22 and the housing 18.
- a gas inlet cap 27 Threaded on the outer end of the housing 18 is a gas inlet cap 27 against which a plunger 28 is held by a spring 29. When this plunger is in its illustrated position, the
- the catch 23 is held against counterclockwise rotation by its engagement withthe inner surface of the housing 18, p
- a housing fixed to and extending through said fixed insulation member said housing having at its inner end an opening receiving said flange, a piston movable in said housing, a latch pivoted to the inner end of said piston and cooperating with said opening and said flange to lock said piston to said housing, said piston being movable to unlock said piston from said housing and to move said movable insulation member away from said fixed insulation member, means for locking said piston to said housing, and gas pressure operated means for unlocking said piston from said housing and actuating said piston.
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- Circuit Breakers (AREA)
Description
Feb. 13, 1962 J. GOLDBERG ETAL 3,021,403
QUICK DISCONNECT DEVICE Filed March ll, 1960 x 35 llllll INVENTORS JACK GOLDBERG HERBERT L. ROSENBERG RgYBERT E LE VINO J? @004; 0. a Q, MW
ATTORNEY 3,021,403 QUICK DISCONNECT DEVICE 3,021,403 Patented Feb. 13, 1962 by an upwardly extending part 31' of the'member 24 which Jack Goldberg and Herbert L. Rosenberg, Levittown,
and Robert F. Le Vino, Huntingdon Valley, Pa., as-
signors to the United States of America as represented by the Secretary of the Army Filed Mar. 11, 1960, Ser. No. 14,485
2 .Claims. (Cl. 200-82) (Granted under Title 35, US. Code The invention described herein may be manufactured (1952), see. 266) v it passes the end of the housing 18 and is free to rotate and used by or for the Government for governmental purposes without the payment to us of any royalty thereon.
This invention relates to electrical switches and more particularly to an electrical switch which is safelyoper able in the vicinity of flammable gas or fumes.
In the operation of some aircraft emergency escape systems, certain electrical connections have to be broken at a point where flammable gas may exist. Heretofore this has been done by means of a cablev cutter. This is un satisfactory for the reason that the severing of the connection may produce a spark'by which the flammable gas is ignited. The present invention avoids this difliculty by the provision of an electrical switch which functions in response to pneumatic pressure and has its contact .members separated in an enclosure from which the flammable gas is excluded. I
The invention will be better understood from thefollowing description when considered in connection with the accompanying drawing and its scope is indicated by the appended claims. I
The single figure of the drawing illustrates a switch could otherwise result in' serious injury to the aircraft 7 engages the catch 23. p v
When the aircraft emergency escapeisystem is to be operated, a gas pressure generated by an explosive cartridge is applied through the inlet 27 of the plunger 28.
. This compresses the spring 29 and moves the plunger 28 to a position where the balls 30 moveto' the interior of the piston 22 and release it from the housing 18. As the piston moves, the catch 23 moves with it to a point where counterclockwise, thus releasing the members 24 and 13.
Continued movement of the piston forces the member 13 away from the member 12 and separates the contact mem-. bers 14 in the enclosure formedbetween these two mem-.
bers. Since this enclosure is sealed against leakage by O- rings 16, 17, 21 and and 26, the switch is safely operated in the vicinity of flammable gas or fumes which personnel.
We claim:
1. An electrical switch including a casing closed at one f of its ends by a fixed insulation member having a first electrical conductor extending therethrough, an insulation member movable in said casing to form an enclosure between said insulation members and having a second electrical conductor extending therethrough, means fixed to said movable insulation member and having a flange exwhich includes a casing 10 having threaded onto one of a its ends a sleeve 11 by which it is fixed to an insulation member 12. An insulation member 13 is movable within the casing 10 and has extending through it a contact ber 15 extending through the fixed insulation member 12. An O-ring seal 16 is between the casing 10 and the member 12 and a similar seal 17 is between the casing 10 and the member 13. I
A housing 18 extends through the member 12 and is fixed thereto by means of an external ridge 19 and a snap ring 20, an O-ring seal 21 being provided between the member 12 and the housing 18. v
Movable within the housing 18 is alpiston 22 which tending transversely of said casing, a housing fixed to and extending through said fixed insulation member, said housing having at its inner end an opening receiving said flange, a piston movable in said housing, and a latch pivoted to the inner end of said piston and cooperating with said opening and said flange to lock said piston to, said housing, said piston being movable to unlock said. piston from said housing and to move said movable in- Jsulation member away from said fixed insulation member. member 14 whi'chis arranged to engage a contact mem- 2. An electrical switch including a casing closed at one member movable in said casing to form an enclosure between said insulation members and having a second electrical conductor extending therethrough, means fixed to said movable insulation member and having a flange exhas pivoted to its inner end a catch 23. This catch (1) is biased by a spring pin 32 so that it may be activated-to rotate in a counterclockwise direction and (2) cooperates with the housing 18 and a member 24 to lock the switchin its closed position. Themember 24 is fixed to the movable insulation member 13 by a nut 31a and is surrounded by a seal ring 25. A similar seal ring 26 is provided between the piston 22 and the housing 18.
Threaded on the outer end of the housing 18 is a gas inlet cap 27 against which a plunger 28 is held by a spring 29. When this plunger is in its illustrated position, the
2 housing 18 and the piston 22 are interlocked by balls 30,
the catch 23 is held against counterclockwise rotation by its engagement withthe inner surface of the housing 18, p
and the movable insulation member 13 is held stationary tending transversely of said casing, a housing fixed to and extending through said fixed insulation member, said housing having at its inner end an opening receiving said flange, a piston movable in said housing, a latch pivoted to the inner end of said piston and cooperating with said opening and said flange to lock said piston to said housing, said piston being movable to unlock said piston from said housing and to move said movable insulation member away from said fixed insulation member, means for locking said piston to said housing, and gas pressure operated means for unlocking said piston from said housing and actuating said piston.
References Cited in the file of this patent UNITED STATES PATENTS 2,875,292 Saholt Feb. 24, 1959 2,891,120 Saholt June 16,1959 2,938,976 Wilson May'31, 1960
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14485A US3021403A (en) | 1960-03-11 | 1960-03-11 | Quick disconnect device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14485A US3021403A (en) | 1960-03-11 | 1960-03-11 | Quick disconnect device |
Publications (1)
Publication Number | Publication Date |
---|---|
US3021403A true US3021403A (en) | 1962-02-13 |
Family
ID=21765780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14485A Expired - Lifetime US3021403A (en) | 1960-03-11 | 1960-03-11 | Quick disconnect device |
Country Status (1)
Country | Link |
---|---|
US (1) | US3021403A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11576769B2 (en) | 2014-10-23 | 2023-02-14 | Medos International Sarl | Method for anchoring biceps tenodesis |
US11628071B2 (en) | 2009-11-03 | 2023-04-18 | Howmedica Osteonics Corp. | Intervertebral implant with integrated fixation |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2875292A (en) * | 1958-07-18 | 1959-02-24 | Orville J Saholt | Pressure-actuated stepping switch |
US2891120A (en) * | 1958-11-05 | 1959-06-16 | Orville J Saholt | Pressure actuated switch |
US2938976A (en) * | 1959-04-28 | 1960-05-31 | Cannon Electric Co | Pressure actuated electrical switch |
-
1960
- 1960-03-11 US US14485A patent/US3021403A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2875292A (en) * | 1958-07-18 | 1959-02-24 | Orville J Saholt | Pressure-actuated stepping switch |
US2891120A (en) * | 1958-11-05 | 1959-06-16 | Orville J Saholt | Pressure actuated switch |
US2938976A (en) * | 1959-04-28 | 1960-05-31 | Cannon Electric Co | Pressure actuated electrical switch |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11628071B2 (en) | 2009-11-03 | 2023-04-18 | Howmedica Osteonics Corp. | Intervertebral implant with integrated fixation |
US11576769B2 (en) | 2014-10-23 | 2023-02-14 | Medos International Sarl | Method for anchoring biceps tenodesis |
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