IT1225457B - Chair with backrest of varying flexibility and position according to the user's weight - Google Patents

Chair with backrest of varying flexibility and position according to the user's weight

Info

Publication number
IT1225457B
IT1225457B IT8812494A IT1249488A IT1225457B IT 1225457 B IT1225457 B IT 1225457B IT 8812494 A IT8812494 A IT 8812494A IT 1249488 A IT1249488 A IT 1249488A IT 1225457 B IT1225457 B IT 1225457B
Authority
IT
Italy
Prior art keywords
backrest
chair
weight
user
seat
Prior art date
Application number
IT8812494A
Other languages
Italian (it)
Other versions
IT8812494A0 (en
Inventor
Andrea Marani
Original Assignee
M Piu Di Marani Giorgio E C S
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 M Piu Di Marani Giorgio E C S filed Critical M Piu Di Marani Giorgio E C S
Priority to IT8812494A priority Critical patent/IT1225457B/en
Publication of IT8812494A0 publication Critical patent/IT8812494A0/en
Application granted granted Critical
Publication of IT1225457B publication Critical patent/IT1225457B/en

Links

Abstract

A chair is concerned, in particular an office chair, fitted with a rocking seat (3), which is maintained in the resting position by some return springs (8) and which is preferably anchored behind the backrest (9,10 and 11) by means of one or more flexible rods or spiral springs (6) which slide across supporting components, which are preferably fixed (5), of the chair frame and which protrude above these with a section or arm, on the length of which depends the flexibility of the said spiral springs and the backrest attached. The weight of the user which rests on the seat changes the position of the said seat in opposition to the action of the said return springs (8), the upper range of the said flexible spiral springs (6) is reduced proportionally and as a result changes the position and flexibility of the backrest, ensuring the right level of comfort for people of different weight.
IT8812494A 1988-06-02 1988-06-02 Chair with backrest of varying flexibility and position according to the user's weight IT1225457B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT8812494A IT1225457B (en) 1988-06-02 1988-06-02 Chair with backrest of varying flexibility and position according to the user's weight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8812494A IT1225457B (en) 1988-06-02 1988-06-02 Chair with backrest of varying flexibility and position according to the user's weight

Publications (2)

Publication Number Publication Date
IT8812494A0 IT8812494A0 (en) 1988-06-02
IT1225457B true IT1225457B (en) 1990-11-14

Family

ID=11140830

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8812494A IT1225457B (en) 1988-06-02 1988-06-02 Chair with backrest of varying flexibility and position according to the user's weight

Country Status (1)

Country Link
IT (1) IT1225457B (en)

Also Published As

Publication number Publication date
IT8812494A0 (en) 1988-06-02

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