US3588013A - Chair - Google Patents

Chair Download PDF

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Publication number
US3588013A
US3588013A US760028A US3588013DA US3588013A US 3588013 A US3588013 A US 3588013A US 760028 A US760028 A US 760028A US 3588013D A US3588013D A US 3588013DA US 3588013 A US3588013 A US 3588013A
Authority
US
United States
Prior art keywords
chair
leg
edge
members
leg means
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
US760028A
Other languages
English (en)
Inventor
Laszlo Mazak
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
Application granted granted Critical
Publication of US3588013A publication Critical patent/US3588013A/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
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/002—Chair or stool bases
    • A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs

Definitions

  • Kleeman ABSTRACT There is disclosed a chair, especially an office chair, incorporating a formed leg means having a lower leg edge from which said leg means is inwardly retracted, said leg means providing an essentially circular-shaped support surface.
  • a plurality of inset-disposed travelling members in the form of roller or ball members is provided for said leg means to impart mobility to the chair.
  • a plate or ring-shaped support member is inserted in said leg means, the travelling members being inserted in said support member at approximately the region of said lower leg edge and being substantially uniformly distributed with respect to said lower leg edge, whereby during slight tilting of the chair the contact surfaces of neighboring travelling members together with the region of the lower leg edge disposed intermediate thereto provides a three-point-like standing surface which limits tilting of the chair.
  • the present invention relates to an improved chair, especially an office chair, possessing a formed leg or pedestal portion which is inwardly retracted from its lower edge or marginal region and possesses an essentially circular-shaped standing surface.
  • Another, more specific object of the present invention relates to an improved chair which is equipped with a new and improved leg arrangement equipped with travelling members, such as rollers or balls for the chair, to render same mobile, while at the same time eliminating the danger of the chair tilting or shooting away.
  • Still a further significant object of the present invention relates to an improved construction of chair, especially an office chair, which is relatively simple in construction, economical to manufacture, does not provide the potential hazards of use as sociated with the aforementioned prior art type chairs, and at the same time is still appealing to the eye and extremely utilitarian.
  • the chair of the invention incorporates a plurality of travelling members in the form of roller or spherical bodies which are disposed in inset or recessed fashion at the leg of the chair and'serve to impart mobility to the chair. More precisely, these roller or spherical bodies are arranged at a plate or ring-shaped support which is inserted in the chair leg, and further, such rollers or spherical bodies are located at the region of the lower edge of the leg and are uniformly distributed with respect thereto.
  • the arrangement of the roller or spherical bodies is undertaken in such a fashion that during slight tipping or tilting of the chair the contact surfaces of neighboring roller or spherical bodies together with the region of the lower leg edge disposed intermediate thereto provide a three-point-like standing surfacewhich limits the tilting of the chair.
  • the exemplary embodiment of inventive chair encompasses a seat 1, a generally elevationally displaceable telescopic column having a pin or shaft 2 secured to the seat 1, and a cylindrical portion 3 as well as a leg portion 4 which is formed at the cylindrical portion 3 and is drawn inwardly or retracted from the lower edge 5.
  • this chair together with the seat, the column, and leg can be formed of a single piece or the telescopic column arrangement can consist of more than two components.
  • the chair can be equipped with any desired type of adjusting means for regulating the height of the seat and/or the inclination of the backrest.
  • the leg 4 which in the exemplary embodiment is of circular configuration can also have a different form, for example a polygonal shape, and further can also be provided with openings.
  • a support plate 6 is arranged at the side of the leg 4 facing the floor and is disposed in recessed fashion in such leg. Furthermore, the central region of this support plate 6 is preferably drawn in or retracted. The support plate 6 is fixedly connected with the leg portion 4, for instance through the use of screws 7 or equivalent fastening expedients.
  • the marginal edge 5 which is only slightly spaced from the floor immediately comes into contact with the floor and together with the contact or rolling surfaces of two neighboring spherical bodies 8 forms a three-point-like standing surface for the chair which prevents any further tilting thereof.
  • the support plate 6 can also be replaced by a ring-shaped support member or by a number of individual elements each of which carry a roller or ball or spherical body.
  • a pedestal chair comprising the combination of:
  • said base comprising a substantially circular disclike body having a diameter significantly greater than the thickness of the leg and a floor-covering area approximately the same as the area of the seat portion, said body having a flat bottom surface;
  • roller members greater than four, circularly disposed in the bottom surface of said body
  • roller members being mounted in a circle having a diameter smaller than the outer diameter of said body and significantly larger than the major transverse dimension of said leg
  • rollers further being mounted on radii which are separated by equal angles, the lowest portions of said roller members having floor contact positions lying in a plane spaced from and parallel to said bottom surface of said body;
  • the radius of said ring being sufficiently larger than the circle in which said roller members are mounted to provide a plurality of points of contact any one of which, with two adjacent roller members, form a triangular support when said leg is tilted in any direction from the vertical.

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
US760028A 1967-10-03 1968-09-16 Chair Expired - Lifetime US3588013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1376967A CH467047A (de) 1967-10-03 1967-10-03 Stuhl

Publications (1)

Publication Number Publication Date
US3588013A true US3588013A (en) 1971-06-28

Family

ID=4395143

Family Applications (1)

Application Number Title Priority Date Filing Date
US760028A Expired - Lifetime US3588013A (en) 1967-10-03 1968-09-16 Chair

Country Status (7)

Country Link
US (1) US3588013A (de)
AT (1) AT273410B (de)
CH (1) CH467047A (de)
DE (2) DE1982568U (de)
FI (1) FI43919B (de)
FR (1) FR1585730A (de)
GB (1) GB1237249A (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044587A (en) * 1989-04-25 1991-09-03 Marpal Ag Ergonomic seat
US20050017148A1 (en) * 2003-06-17 2005-01-27 Benson Tung Base assembly for a sunshade
US20080111046A1 (en) * 2006-11-14 2008-05-15 Benson Tung Sunshade base with swivel seat
US20090179122A1 (en) * 2007-11-30 2009-07-16 James Inzero Modular boat support
US10351024B2 (en) * 2017-11-30 2019-07-16 Ford Global Technologies, Llc Ovoid seating assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO148208C (no) * 1978-05-24 1983-08-31 Standard Tel Kabelfab As Stol.
DE3414551C2 (de) 1984-04-17 1993-10-07 Hesshaimer Gmbh Operationstisch

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044587A (en) * 1989-04-25 1991-09-03 Marpal Ag Ergonomic seat
US20050017148A1 (en) * 2003-06-17 2005-01-27 Benson Tung Base assembly for a sunshade
US6869058B2 (en) * 2003-06-17 2005-03-22 Benson Tung Base assembly for a sunshade
US20080111046A1 (en) * 2006-11-14 2008-05-15 Benson Tung Sunshade base with swivel seat
US7431259B2 (en) 2006-11-14 2008-10-07 Benson Tung Sunshade base with swivel seat
US20090179122A1 (en) * 2007-11-30 2009-07-16 James Inzero Modular boat support
US10351024B2 (en) * 2017-11-30 2019-07-16 Ford Global Technologies, Llc Ovoid seating assembly

Also Published As

Publication number Publication date
AT273410B (de) 1969-08-11
CH467047A (de) 1969-01-15
GB1237249A (en) 1971-06-30
DE1982568U (de) 1968-04-04
FI43919B (de) 1971-03-31
DE1654318A1 (de) 1971-02-18
FR1585730A (de) 1970-01-30

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