EP0501978B1 - Support for the forearm - Google Patents

Support for the forearm Download PDF

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Publication number
EP0501978B1
EP0501978B1 EP90916025A EP90916025A EP0501978B1 EP 0501978 B1 EP0501978 B1 EP 0501978B1 EP 90916025 A EP90916025 A EP 90916025A EP 90916025 A EP90916025 A EP 90916025A EP 0501978 B1 EP0501978 B1 EP 0501978B1
Authority
EP
European Patent Office
Prior art keywords
support
cushion
axis
arm
forearm
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
EP90916025A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0501978A1 (en
Inventor
Mathis Nordnes
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0501978A1 publication Critical patent/EP0501978A1/en
Application granted granted Critical
Publication of EP0501978B1 publication Critical patent/EP0501978B1/en
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
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
    • A47B21/03—Tables or desks for office equipment, e.g. typewriters, keyboards with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves
    • A47B21/0371—Platforms for supporting wrists
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/125—Rests specially adapted therefor, e.g. for the head or the feet for arms
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0084—Accessories for tables or desks
    • A47B2200/0092—Articulated arm used as wrist support

Definitions

  • the present invention is related to a support for a person's forearm according to the preamble of claim 1.
  • SE-B-459.313 discloses a forearm support according to the preamble of claim 1 which is, in the first place, arranged to be mounted at both sides of a chair, and which has a support cushion which can be moved longitudinally, which can be adjusted vertically, and which can be rotated about a fixed vertical axis.
  • the said known support on the contrary, can not be moved transversally, and the arm consequently can not move parallelly sideways while resting on the support cushion.
  • NO-B-154.714 discloses a similar type of forearm support, which can only be moved longitudinally and rotated about a vertical axis, and which can also not be moved transversally.
  • WO-A-89/04623 discloses a forearm support which can be adjusted vertically and in which the support cushion can be rotated about two interrelated vertical axis, in the sense that the support cushion can be rotated about a first vertical axis of a first cushion carrier means, which in turn can be rotated about a second vertical axis of a second carrier means which axis is offset the said first mentioned vertical axis, thereby providing a type of 2-dimensional planetary movement for the support cushion.
  • a support is provided for an arm, or when using two abart supports, even for both arms, thereby allowing movements of the hand within a desired, relatively large area which substantially correspond with the working area for a normal working place in a seated position. It is of substantial importance that the hand or hands everywhere within this area may rest with the entire weight of the forearm and hand on the support.
  • the support also may completely take over the load in case the user should lean forwards, stretch the body etc. thereby transmitting a substantial portion of the weight of the upper part of the body to the support.
  • Corresponding prior art supports do not exist, whether on the market nor in the litterature.
  • the support for the forearm according to the present invention can be adjusted in the height for optimal adaptation to the user in question, allowing turning of the forearm in a plane parallel to the table on which the work is performed and to which the support is fixed.
  • a transversal movement parallel to the edge of the table and a displacement out from and towards the body, as well as combinations of such movements are enabled with the inventive support.
  • the support for the forearm may be used for one arm alone, such as in connection with assembly work, use of a calculator etc., or with one support according to the present invention for each arm, whereby the distance between the users two arms easily can be adjusted by the user when clamping the support correspondingly to the working table.
  • Fig. 1 schematically a side-view of a support for the forearm according to the present invention
  • Fig. 2 discloses the support in a front-view
  • Fig. 3 discloses schematically in a ground view, the freedom of arm movement with the support.
  • the support for the forearm comprises a resting cushion 8 having a length suitably corresponding to half of the length of users forearm and preferably being equipped with an upholstery, most suitably covered with leather, in such a way that the forearm comfortably rests on the cushion.
  • the cushion 8 has a bawl shaped transversal section as disclosed in Fig. 2.
  • the underside of the cushion 8 is secured to a rail well known in the art, such as according to the roll on system.
  • Balls 2 are captured in a retainer 3 in the entire length of the rail 1 whereby a plate 4 extends along the edges outside the rail 1 and being connected with the retainer 3.
  • the rail 1 extends along substantially the entire underside of the cushion 8. Having the fixed plate 4 anchored, the cushion may be displaced a lenght corresponding to the length of the rail 1 and the retainer 3, e.g. the length of the cushion, corresponding to distance necessary for stretching the arm in the different cases.
  • the support of the cushion 8 to the plate 4 is made such that large forces and movements may be transferred from the user against the cushion 8 to the plate 4, also with the cushion in its end positions.
  • the forces are transferred suitably to the underlaying table etc.
  • a stop 7 is provided on the retainer 3 at both ends of the rail.
  • a bolt 5 is secured to the plate 4 and vertically threaded into a socket arm 6.
  • the plate 4 and thereby also the cushion 8 in this manner may be adjusted in the height by turning the bolt 5 in or out of the socket arm 6.
  • This embodiment additionally provides the user with the possibilities in a very simple and secure way to turn the cushion 8 horizontally around the bolt, thereby covering a working area corresponding to a circle segment which can be moved from a position on the table where the cushion is arranged away from the user and to a position where the cushion is turned back against the user.
  • the end of the socket arm 6 opposite the bolt 5 comprises an upper and a lower, horizontal flange between which is mounted an easily rotatably clamp 9, preferably with upper and lower ball bearings.
  • the clamp 8 comprises an upper flange adapted for arrangement on the upper surface of a table 14, and a lower flange having a securing bolt 15 for securing the clamp 9 to the table.
  • the clamp 9 thereby easily can be secured to the edge of a table 14 as disclosed in Fig. 3.
  • the working area is substantially increased when making the socket arm 6 rotatable, in addition to the possible rotation of the cushion 8.
  • the cushion 8 may be turned around the axis 11 of the bolt 5 in the socket arm 6.
  • the socket arm 6 itself may be turned around the axis 12 at the connection between the clamp 9 and the socket arm 6.
  • the lower flange 13 of the socket arm is extended in such a way that its front edge provided an abutment and a stop against the clamp 9, thereby limiting the possible rotation angle of the socket arm 6, as can be seen from Fig.3.
  • the bearing of the socket arm 6 in the clamp 9 may be provided with a certain friction to movement to achieve a certain dampening of the transversal movement.
  • the cushion 8 suitably is concave to provide a comfortable and steady rest for the forearm. As disclosed in Fig. 1 the cushion 8 furthermore is inclined downwards towards the rail, such as downwards from the user to conform with the shape of the forearm, or when turning the cushion 8 to conform with special wishes from the user in connection with the work to be performed.
  • the axis 12 on Fig. 3 is disclosed at a distance outside the abutment of the clamp 9 on the table 14. By suitable choice this distance may be changed in such a way that the rotation radius of the socket arm may be increased or decreased by arranging the axis 12 closer to or further away from the table, or even, by a special embodiment, arranging the axis 12 through the flanges of the clamp 9 and the table as well.
  • two supports according to the present invention are clamped to a table at a distance from each other suitable for the user.
  • the length of the upper flange of the clamp 9 suitably has such a dimention that the edge of the keyboard may abut against this edge 10.
  • the possible movements provided by the support give full availability to all the different parts of the keyboard, maintaining full support in the entire area.
  • Corresponding arrangement of two supports furthermore may be suitable for other types of works, such as production works for assembly, soldering etc.
  • a secure support is provided for working places where one hand apparatus such as calculators are used during a long period of a working day.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Special Chairs (AREA)
  • Finger-Pressure Massage (AREA)
  • Materials For Medical Uses (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Stringed Musical Instruments (AREA)
  • Passenger Equipment (AREA)
  • Seal Device For Vehicle (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
EP90916025A 1989-11-03 1990-11-01 Support for the forearm Expired - Lifetime EP0501978B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO894388A NO894388D0 (no) 1989-11-03 1989-11-03 Underarmstoette for bruk ved sittende arbeid.
NO894388 1989-11-03
PCT/NO1990/000167 WO1991006233A1 (en) 1989-11-03 1990-11-01 Support for the forearm

Publications (2)

Publication Number Publication Date
EP0501978A1 EP0501978A1 (en) 1992-09-09
EP0501978B1 true EP0501978B1 (en) 1995-09-13

Family

ID=19892545

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90916025A Expired - Lifetime EP0501978B1 (en) 1989-11-03 1990-11-01 Support for the forearm

Country Status (10)

Country Link
EP (1) EP0501978B1 (ja)
JP (1) JPH05501373A (ja)
AT (1) ATE127666T1 (ja)
AU (1) AU634308B2 (ja)
BR (1) BR9007802A (ja)
CA (1) CA2072647A1 (ja)
DE (1) DE69022428T2 (ja)
DK (1) DK0501978T3 (ja)
NO (2) NO894388D0 (ja)
WO (1) WO1991006233A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5407249A (en) * 1990-10-15 1995-04-18 Bonutti; Peter M. Armrest assembly
AU656705B3 (en) * 1992-12-31 1995-02-09 Bernard John Coombs Synchronous support
FI92370C (fi) * 1993-06-07 1994-11-10 Top Cousins Oy Hiirialusta
US5385322A (en) * 1993-10-01 1995-01-31 Baxter International Inc. Ergonomic elbow rest
IL109513A0 (en) * 1994-05-02 1994-08-26 I R D International Research A Keyboard operator wrist support
US6109571A (en) * 1995-12-07 2000-08-29 Hirschovits; Adiel Mouse support
EP0809957B1 (de) * 1996-05-30 2002-11-20 GRAHL GmbH Stuhl, insbesondere Drehstuhl, mit Armlehnen
AU687335B3 (en) * 1997-05-01 1998-02-19 AEL Pty Ltd Forearm support
US6042064A (en) * 1997-08-28 2000-03-28 Hong; Kwang Y. Wrist support
DE102017110147A1 (de) * 2017-05-10 2018-11-15 Gefa Nägler Armentlastungs- und Unterstützungsvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO154714C (no) * 1984-01-23 1986-12-10 Terje Steinar Olsen Arbeidsstol.
SE459313B (sv) * 1985-12-06 1989-06-26 Kurt Stenvall Sjaelvinstaellande avlastande armstoed
WO1989004623A1 (en) * 1987-11-23 1989-06-01 Grahl Industries, Inc. Chair with specially shaped elbow support

Also Published As

Publication number Publication date
WO1991006233A1 (en) 1991-05-16
CA2072647A1 (en) 1991-05-04
NO902406D0 (no) 1990-05-30
NO902406L (no) 1991-05-06
NO170666C (no) 1992-11-18
BR9007802A (pt) 1992-09-01
NO894388D0 (no) 1989-11-03
DE69022428D1 (de) 1995-10-19
ATE127666T1 (de) 1995-09-15
AU634308B2 (en) 1993-02-18
NO170666B (no) 1992-08-10
DE69022428T2 (de) 1996-07-25
DK0501978T3 (da) 1996-02-05
JPH05501373A (ja) 1993-03-18
EP0501978A1 (en) 1992-09-09
AU6628090A (en) 1991-05-31

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