EP0480221A2 - Dispositif de commande avec au moins deux transmetteurs de signaux - Google Patents

Dispositif de commande avec au moins deux transmetteurs de signaux Download PDF

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Publication number
EP0480221A2
EP0480221A2 EP91116102A EP91116102A EP0480221A2 EP 0480221 A2 EP0480221 A2 EP 0480221A2 EP 91116102 A EP91116102 A EP 91116102A EP 91116102 A EP91116102 A EP 91116102A EP 0480221 A2 EP0480221 A2 EP 0480221A2
Authority
EP
European Patent Office
Prior art keywords
signal
housing
button
signal transmitters
drive mechanism
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.)
Granted
Application number
EP91116102A
Other languages
German (de)
English (en)
Other versions
EP0480221A3 (en
EP0480221B1 (fr
Inventor
René Riser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magnetic Elektromotoren AG Liestal
Ewellix Switzerland AG
Original Assignee
Magnetic Elektromotoren AG Liestal
Magnetic Elektromotoren AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Magnetic Elektromotoren AG Liestal, Magnetic Elektromotoren AG filed Critical Magnetic Elektromotoren AG Liestal
Publication of EP0480221A2 publication Critical patent/EP0480221A2/fr
Publication of EP0480221A3 publication Critical patent/EP0480221A3/de
Application granted granted Critical
Publication of EP0480221B1 publication Critical patent/EP0480221B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/008—Use of remote controls
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head-, foot- or like rests for beds, sofas or the like
    • A47C20/04—Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head-, foot- or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/008—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors with rotary output
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06—Details
    • F15B7/08—Input units; Master units
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/005—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for preventing unintentional use of a control mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/20—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling
    • 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
    • H01H9/0214—Hand-held casings

Definitions

  • the present invention relates to a control device with at least two signal generators, each having a drive mechanism.
  • a disadvantage here is the lack of clarity about the locking already carried out and the separate setting of the locking as well as the high costs for such systems.
  • the invention seeks to remedy this.
  • the invention has for its object to improve a control device of the type mentioned so that the locking can be carried out on the control box of the bed itself.
  • the drive mechanism has a button and that the locking element can be brought into and out of engagement with the button. This safely prevents the patient from activating the bed motor and at the same time enables the locking to be checked easily.
  • Figures 1 and 2 show a control device for hospital beds with a housing 1, consisting of lower housing part 2 and upper housing part 3, which are connected to each other by screws, not shown, with a number of pneumatic pushbuttons 4, which are each arranged in pairs next to one another and functionally assigned and with a number of locking arrangements 5 according to the invention, which are arranged pivotably between two assigned pushbuttons 4.
  • bearing sections 6 are provided in the upper and lower parts 2, 3 of the housing 1.
  • the locking arrangement 5 consists of an organ with an axis 7, which are mounted in the bearing sections 6, and two tabs 8, 9, which protrude diametrically from the axis 7 and are formed integrally therewith.
  • the bearing bore in the upper part 2 is open to the outside and the end face of the axis 7 is arranged flush with the surface of the upper part 2.
  • this end face engaging means 10 are provided, in which an actuator (Not shown) can be used to pivot the locking member 5. Since the engagement means are visible from the outside, it can be read according to the invention whether the assigned pushbuttons 4 are locked.
  • FIG. 3 shows the embodiment of the pneumatic push-button switch according to the invention, which is shown in the control device according to FIGS. 1 and 2.
  • the pushbutton switch 1 contains a one-way working piston 11 with reset function and a pushbutton 12.
  • the working piston 11 has a cylindrical housing 13 open on one side with a connecting piece 14 for a hose 15 (FIG. 1) and with recesses on the open side in order to close the pushbutton vent, a piston 16 with an annular portion 17 which abuts the inside of the housing 13, and a compression spring 18 which is arranged between the bottom 19 of the housing 13 and the piston 16 to reset the piston 16.
  • the button 12 is a cap with a square basic shape. At the open end 4, the push button 12 has a flange 21 with which the push button 12 rests on the housing. Furthermore, a plunger 22, against which the piston 16 rests, is formed inside the cap.
  • the working piston 11 is pivotally arranged in an annular extension 23 which is formed in one piece with the lower housing part 3.
  • a hole 24 is formed in the bottom of the lower housing part 3, which is formed centrally to the shoulder 23, on the underside of the housing 13 of the working cylinder 11 a shoulder 25 is arranged, and a flange 26 is provided in the hole 24 is inserted and encompasses the approach 25.
  • the locking member 5 has two tabs 8, 9, which rest against the housing 13 of the working cylinder 11 below the flange 21 of the pushbutton 12 when the locking member 5 is pivoted. These rags 8,9 serve in this position as a stop for the pushbutton 12, whereby the push-in movement of the pushbutton is blocked and the signal output is prevented.
  • FIG. 4 shows a second embodiment of a locking arrangement according to the invention, in which the locking is carried out on the rear of the housing 1.
  • the housing 13 of the working piston 11 is pivotally arranged in the annular extension 23 in the lower housing part 3.
  • a cutout 28 is therefore provided in the projection 23.
  • the housing 13 of the working piston 11 when the button 12 is locked. Since the button 12 has a square shape, it is guided in a stable position in the upper housing part 2, i.e. the bearing of the cutouts, not shown, in the flange 21 is not changed when the button 12 is pressed in with respect to the housing 13 of the working piston 11. As a result, the flange 21 will rest on the shoulders 29 when the pushbutton 12 is pressed in and the push-in movement is blocked, so that the signal output is prevented. If the housing 13 or the working piston 11 is pivoted in the direction of arrow A and thus the lugs 29, they assume a position such that they are aligned with the recesses in the flange, not shown.
  • engagement means are provided in the end face of the extension 25, which are designed analogously to the engagement means 10 shown in FIG.
  • a valve is provided in the second embodiment in order to prevent the signal output.
  • a channel 31 is provided instead of the connecting piece 14 and the hose.
  • This channel 31 leads on the one hand into a plug arrangement (not shown) on a narrow side of the housing and on the other hand into the valve opening and communicates via an annular recess 32 with the working chamber of the working piston 11 and also via a second channel 33 with a vent hole 34 which is outside the working piston 11 opens into the housing 1.
  • valve body 35 is disc-shaped and has in one side a recess 36 and a sealing ring 37 which are diametrically opposed to one another.
  • engagement means (not shown) are provided, which can be designed analogously to the engagement means 10 of the first embodiment.
  • the valve body 35 is rotatably mounted in the bottom of the lower housing part 3 and can be operated from the outside. 6 shows the valve body in such a way that the channel 31 is connected to the vent opening 34 via the recess 36 and the channel 33, so that when the pushbutton 12 is pressed in, the signal medium (air) is expelled via the vent opening 34, as a result of which the signal is emitted is prevented via the channel 31.
  • valve body 35 If the valve body 35 is rotated, the connection between the channels 31 and 33 is interrupted while being sealed by the sealing ring 37.
  • the pushbutton 12 When the pushbutton 12 is pressed in, the signal medium is passed on via the channel 31 and a signal is emitted.
  • the embodiments of the signal transmitters described above are pneumatic pushbuttons with air as the signal medium.
  • this can be done in the same way in order to prevent the signal output in the case of electrical pushbutton switches.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Burglar Alarm Systems (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Selective Calling Equipment (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Lock And Its Accessories (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Actuator (AREA)
  • Air Bags (AREA)
EP91116102A 1990-10-09 1991-09-21 Dispositif de commande avec au moins deux transmetteurs de signaux Expired - Lifetime EP0480221B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3242/90A CH681833A5 (fr) 1990-10-09 1990-10-09
CH3242/90 1990-10-09

Publications (3)

Publication Number Publication Date
EP0480221A2 true EP0480221A2 (fr) 1992-04-15
EP0480221A3 EP0480221A3 (en) 1992-07-01
EP0480221B1 EP0480221B1 (fr) 1995-05-17

Family

ID=4251724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91116102A Expired - Lifetime EP0480221B1 (fr) 1990-10-09 1991-09-21 Dispositif de commande avec au moins deux transmetteurs de signaux

Country Status (4)

Country Link
EP (1) EP0480221B1 (fr)
AT (1) ATE122806T1 (fr)
CH (1) CH681833A5 (fr)
DE (1) DE59105508D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2349429A (en) * 1999-04-20 2000-11-01 Kipley Roydon Marks Air switch operator
US9653227B2 (en) 2011-10-13 2017-05-16 Dewertokin Gmbh Mechanically lockable hand switch
DE102006003891B4 (de) * 2006-01-27 2018-05-30 Leopold Kostal Gmbh & Co. Kg Tastschalter und Verwendung des Tastschalters

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE521739C2 (sv) * 1999-11-19 2003-12-02 Bt Ind Ab Förfarande för anpassining av reglage vid maskiner samt reglage för utövande av förfarandet
DK1671340T3 (da) * 2003-10-10 2014-05-05 Linak As Elektrisk håndbetjening, især til elektrisk indstillelige hospitals- og plejesenge
EP1946345B1 (fr) 2005-11-11 2012-01-25 Linak A/S Commande manuelle electrique, notamment pour lits de soin et d' hopital a reglage electrique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080720A (en) * 1960-06-23 1963-03-12 Simmons Co Remote control switch operating device
CA1263541A (fr) * 1987-01-13 1989-12-05 Bell-Northern Research Ltd. Mecanisme a bouton-poussoir commande par outil pour controler le fonctionnement d'un systeme de verrouillage sur panneau

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2349429A (en) * 1999-04-20 2000-11-01 Kipley Roydon Marks Air switch operator
US6357233B1 (en) 1999-04-20 2002-03-19 Kipley Roydon Marks Air switch operator
GB2349429B (en) * 1999-04-20 2003-10-15 Kipley Roydon Marks Air switch operator
DE102006003891B4 (de) * 2006-01-27 2018-05-30 Leopold Kostal Gmbh & Co. Kg Tastschalter und Verwendung des Tastschalters
US9653227B2 (en) 2011-10-13 2017-05-16 Dewertokin Gmbh Mechanically lockable hand switch

Also Published As

Publication number Publication date
DE59105508D1 (de) 1995-06-22
EP0480221A3 (en) 1992-07-01
ATE122806T1 (de) 1995-06-15
EP0480221B1 (fr) 1995-05-17
CH681833A5 (fr) 1993-05-28

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