EP0558884B1 - Handbetätigte Stellvorrichtung für einen Bedienungsstand bzw. -sitz - Google Patents

Handbetätigte Stellvorrichtung für einen Bedienungsstand bzw. -sitz Download PDF

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Publication number
EP0558884B1
EP0558884B1 EP93100165A EP93100165A EP0558884B1 EP 0558884 B1 EP0558884 B1 EP 0558884B1 EP 93100165 A EP93100165 A EP 93100165A EP 93100165 A EP93100165 A EP 93100165A EP 0558884 B1 EP0558884 B1 EP 0558884B1
Authority
EP
European Patent Office
Prior art keywords
controller
gripping element
hand
support
guide
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
Application number
EP93100165A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0558884A1 (de
Inventor
Joachim Dipl.-Ing. Lohmeier
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.)
Jungheinrich AG
Original Assignee
Jungheinrich 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 Jungheinrich AG filed Critical Jungheinrich AG
Publication of EP0558884A1 publication Critical patent/EP0558884A1/de
Application granted granted Critical
Publication of EP0558884B1 publication Critical patent/EP0558884B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/02—Controlling members for hand actuation by linear movement, e.g. push buttons

Definitions

  • the invention relates to a manually operated adjusting device for an operator seat according to the preamble of claim 1.
  • Switching levers which can be actuated by moving the hand with an immovable arm, are provided as actuators which can be gripped by hand. It is also known to move the shift lever in two vertical directions, whereby several shift channels can be controlled. The actuation of the actuating levers takes place proportionally along two mutually perpendicular flat arcs, being approximately parallel to the plane receptacle during operation in a plane.
  • an adjusting device for industrial trucks in which a support for the forearm is also provided on the side of the operating seat and a hand-held actuator is provided in front of the forearm support, which can be gripped by hand between the ball of the hand and the finger .
  • a push button is provided on the side for actuation using the thumb.
  • the actuator is guided in a control housing by means of a rod and can carry out both a translatory and a rotary movement.
  • the invention has for its object to provide a manually operated control device for an operator seat, in particular for conveyors, which enables sensitive control without cramping or consequential damage to the operator after a long time. Furthermore, it should be easy to use within the ergonomic limits.
  • a shield-shaped spherical grip element which can be gripped by hand and thereby lies between the fingers and the ball of the hand. Alternatively, it can also be gripped between the thumb and fingers. Its height above the support is such that it can be easily gripped by hand when the forearm rests on the support.
  • the handle element is approximately in a suitable manner guided in a plane such that it can be actuated essentially from the finger joints and / or from the wrist.
  • the management level is parallel to the level contact surface.
  • At least one switch button or the like is arranged on the grip element and is arranged on the side of the grip element opposite the forearm.
  • the grip element is the interface to the human hand. According to one embodiment of the invention, it can have lateral depressions on opposite sides, into which the thumb or ring finger / little finger can engage.
  • the movement of the grip element is mainly carried out by turning the finger or wrist (fine control).
  • the movement can also be generated by laying the hand on the entire surface and shifting the whole arm (rough control, for example full speed). This makes it possible to change the hand position and avoid a static hand position.
  • the grip element according to the invention can be adapted to the palm of the hand from the 5th percentile to the 95th percentile man. The grip element is only so high that the hand is above the grip element when the forearm is resting on it.
  • a handle element With a handle element according to the invention, four analog channels can be controlled sensitively, the handle element containing switching buttons or the like in order to switch further digital channels.
  • the handle element enables movements and loads on the operator within ergonomically permissible limits. The operator has no influence on the handle element due to dynamic forces acting on his body from any direction (braking, accelerating, etc.). Even use over a longer period of time does not cause cramps or consequential damage to the musculoskeletal system.
  • the grip element is designed so that the forearm support absorbs the arm weight and supports the upper body against dynamic forces acting transversely to the body axis.
  • the grip element according to the invention can be used for the bare hand as well as for a hand with work gloves. A too precise fixation of the hand on the grip element is not necessary, so that cramping is avoided.
  • a pivot axis for the grip element lies approximately in the area of the wrist when the hand grips the grip element. This makes it particularly easy to move the grip element out of the wrist and with your fingers. Fine motor limbs are therefore used for control. However, as already mentioned, it is not impossible to hold the grip element in the grip grip of the hollow hand and to move it from the movement of the entire arm.
  • an embodiment of the invention provides that the guide has an elongated hole and a pin which are mounted so as to be movable relative to one another, the elongated hole lying essentially in the longitudinal direction of the forearm.
  • the grip element is connected to a guide element below the support, which is guided in one plane by means of stationary guide sections or surfaces.
  • the guide element is preferably formed by a guide plate which, according to a further embodiment of the invention, can be cross-shaped.
  • the movement of the grip element with the guide preferably takes place in a horizontal plane. This allows the arm and Hand weight are taken so that the arm muscles are only used by the control task and no superimposed static holding voltage occurs.
  • the forward and backward movement can be along a straight path. However, a given path can also be curved depending on the requirements.
  • the left-right movement describes a circular arc, the center of which corresponds approximately to that of the wrist pivot.
  • a connecting pin can be provided between the guide element and the underside of the handle element, which extends through a preferably circular opening with a larger diameter than that of the pin. The size and shape of the opening therefore determines the size and shape of the movement surface for the grip element according to the invention.
  • the handle element is mounted to produce a limited height a further control signal, for example a horn signal.
  • the grip element according to the invention can also be used for both the right and the left hand.
  • its shape can be adapted to the human hand or to other circumstances. As already mentioned, it can also be operated from a hand wearing work gloves, with the same size. Since the grip element according to the invention is a flat, curved component on a flat surface, unwanted actuation, for example by getting caught with the sleeve, can be ruled out.
  • a grip element 10 has the contour of a mouse and has a spherical upper side 12 and a flat lower side 14.
  • the grip element 10 is gripped from above by the hand of the operator, as shown in FIG. 7.
  • the side 16 of the grip element 10 facing the palm of the hand is provided with a steeper curvature than the flatter side 18 on the opposite side.
  • the maximum height of the element 10 is approximately from the side 16 facing the palm of the hand reached a third of the total length of the grip element 10.
  • the grip element 10 is approximately oval with approximately straight long sides, as can be clearly seen in FIG. 2.
  • indentations 20, 22 are provided for gripping with the thumb and, for example, ring fingers.
  • three key switches 24, 26, 28 are arranged.
  • the grip element 10 can be moved to a limited extent in one plane, preferably a horizontal plane, the axes of which are shown in dash-dot lines at 30 and 32 in FIG. 2. From the broad arrows shown in Fig. 2 it can be seen that the handle element 10 can be pivoted in a straight line back and forth and / or to the side. For this purpose, a guide is provided, which will be explained in more detail with reference to FIGS. 3 to 6.
  • FIG. 3 shows a horizontal, level support 34 for the forearm of the operator, which has an opening via which the grip element 10 is connected to a guide 36, specifically via two pins 38, 40.
  • the guide 36 has a housing 42, which is closed by a cover 44.
  • cover 44 which is drawn transparently in FIG. 6 for reasons of illustration, two circular openings 46, 48 are provided through which the Extend pin 38, 40 through.
  • the diameter of the pins 38, 40 is considerably smaller than the diameter of the openings 46, 48.
  • a cross-shaped guide plate 50 is located in the housing 42. It is guided horizontally almost without play at the top through the cover 44 and at the bottom through suitable guide surfaces.
  • the arms 52, 54, 56 and 58 extend through corresponding openings in the housing 42 to the outside. They can be connected to signal converters (not shown).
  • 3 shows how a rod 60 protrudes downward from the housing 42 and is connected to a signal converter 62 for converting the adjustment paths or positions of the grip element 10 into suitable actuating signals.
  • An elongated hole 64 is formed in the arm 52, through which a pin 66 fixed to the housing extends. The pin 66 enables the handle element 10 to move in a straight line.
  • the pivot connection formed by the pin 66 and the elongated hole 64 is approximately in agreement with the operator's wrist.
  • the maximum adjustment movements of the guide plate 50 are limited by the circular openings 46, 48 in the cover plate 44. In FIG. 6, different positions of the guide plate 50 are indicated in dotted lines.
  • Fig. 7 it can be seen how the forearm of an operator rests on the support 34, above which three handle elements 10, 10a and 10b of identical construction are arranged, their underside (Fig. 3) being only slightly above the surface of the support 34 is located.
  • the grip elements 10, 10a, 10b lie on a circular arc, the center of which lies approximately in the elbow joint of the operator.
  • the handle element 10 can also be height-adjustable to trigger a digital signal when the handle element is pressed down, for example a horn signal.
  • the grip element 10 is formed from a suitable plastic material, but can also consist of metal or wood.
  • the adjusting device shown is suitable for a wide variety of operating positions and operating positions, in particular as an adjusting device for control valves of a conveyor vehicle and here again in particular for a reach truck.
  • other vehicles and also more or less stationary conveyors are controlled with the actuating device according to the invention such as cranes, excavators and the like.
  • a spring mechanism is assigned to the handle element or the guide in order to hold the handle element in the neutral position and to return it to it after actuation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Control Devices (AREA)
EP93100165A 1992-03-02 1993-01-08 Handbetätigte Stellvorrichtung für einen Bedienungsstand bzw. -sitz Expired - Lifetime EP0558884B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4206515 1992-03-02
DE4206515A DE4206515C1 (zh) 1992-03-02 1992-03-02

Publications (2)

Publication Number Publication Date
EP0558884A1 EP0558884A1 (de) 1993-09-08
EP0558884B1 true EP0558884B1 (de) 1996-12-27

Family

ID=6453022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93100165A Expired - Lifetime EP0558884B1 (de) 1992-03-02 1993-01-08 Handbetätigte Stellvorrichtung für einen Bedienungsstand bzw. -sitz

Country Status (2)

Country Link
EP (1) EP0558884B1 (zh)
DE (2) DE4206515C1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4316361C2 (de) * 1993-05-15 1999-04-01 Radosav Nikolic Hydraulisch arbeitendes Flurförderzeug
DE9417838U1 (de) * 1994-11-08 1994-12-22 Jungheinrich Ag, 22047 Hamburg Handbetätigte Stellvorrichtung für einen Bedienungsstand bzw. -sitz
DE59509669D1 (de) 1994-11-08 2001-11-08 Jungheinrich Ag Handbetätigte Stellvorrichtung für einen Bedienungsstand bzw. -sitz
DE29613139U1 (de) * 1996-07-29 1997-12-04 ABB Daimler-Benz Transportation (Deutschland) GmbH, 16761 Hennigsdorf Tastatureinheit
DE29714284U1 (de) * 1997-08-09 1997-10-16 Jungheinrich Ag, 22047 Hamburg Handbetätigte Stellvorrichtung für den Bedienungsstand bzw. -sitz eines Schubmaststaplers
DE19849235B4 (de) * 1998-10-26 2004-12-02 Jungheinrich Ag Vorrichtung zum Betätigen und Steuern einer elektrischen Lenkmotorik
JP4291544B2 (ja) * 2002-04-03 2009-07-08 株式会社豊田自動織機 産業車両
DE102004040457A1 (de) * 2004-08-20 2006-02-23 Jungheinrich Ag Flurförderzeug mit ergonomisch angeordneten Bedienelementen
JP4673695B2 (ja) 2005-07-29 2011-04-20 本田技研工業株式会社 インターフェース装置
ES2338836B8 (es) * 2007-11-29 2011-08-04 Help Concept, S.L. Elementos de mando que permiten accionar con la/s mano/s el acelerador y/o el freno de un vehiculo automovil.
WO2016123187A2 (en) 2015-01-29 2016-08-04 Crown Equipment Corporation Control module and palm rest for a materials handling vehicle

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703931A (en) * 1971-05-17 1972-11-28 Caterpillar Tractor Co Electro-hydraulic touch control system for earthmoving vehicles
US3937294A (en) * 1974-09-26 1976-02-10 Clark Equipment Company Operator hand control for industrial lift trucks
DE2718579C3 (de) * 1977-04-26 1981-04-02 Steinbock Gmbh, 8052 Moosburg Armlehne für Fahrersitze, insbesondere von Arbeitsmaschinen, beispielsweise Gabelstaplern
DE2911996C2 (de) * 1979-03-27 1985-07-25 Clark Equipment Co., Buchanan, Mich. Batteriegetriebener Hublader
US4738417A (en) * 1987-02-02 1988-04-19 Fmc Corporation Hand operated control
FI77334C (fi) * 1987-03-03 1989-02-10 Teopros Oy Styranordning.
DE3728373C2 (de) * 1987-08-26 1994-01-27 Porsche Ag Handbetätigbare Stellvorrichtung für Steuerventile
US4914976A (en) * 1988-04-13 1990-04-10 Honeywell Inc. Five and six degree of freedom hand controllers
US5157381A (en) * 1990-04-23 1992-10-20 Cheng San Yih Computer mouse
GB9104996D0 (en) * 1991-03-08 1992-06-17 British Aerospace Twist throttle

Also Published As

Publication number Publication date
DE59304843D1 (de) 1997-02-06
EP0558884A1 (de) 1993-09-08
DE4206515C1 (zh) 1993-03-11

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