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US 6,634,716 B2Granted
Office chair
AssigneeArmin Sander
InventorsArmin Sander, Martin Potrykus
Life of this patent
Estimating the term…
Abstract
A footrest is fastened via a telescopically extendable connecting element to an office chair, in particular to an office chair having a backrest that can be tilted into a rest position. This results in an especially comfortable and ergonomic seating position, and in particular a situation in which the office chair is pushed away from the footrest when the footrest is not needed.
Claims13
An office chair, comprising:
- a backrest which can be tilted into a rest position;
- a support column supporting said backrest;
- a footrest;
- and a connecting element, wherein said connecting element is a
- telescopic tube connected on a first end to said support column and on a second end to said footrest, said telescopic tube being extendable from a basic position into an extended position, said telescopic tube having a restoring element exerting a restoring force on said telescopic tube in a direction of the basic position, and said telescopic tube having a valve with a, large outflow resistance compared with an inflow resistance, for air flowing out of said telescopic tube during movement into the basic position.
2 more elements
A footrest assembly for fastening to an office chair, comprising:
- a footrest;
- and
- a telescopic tube connected on a first end to said support column and on a second end to said footrest, said telescopic tube being extendable from a basic position into an extended position, said telescopic tube having a restoring element exerting a restoring force on said telescopic tube in a direction of the basic position, and said telescopic tube having a valve with a large outflow resistance compared with an inflow resistance, for air flowing out of said telescopic tube during movement into the basic position.
An office chair, comprising:
- a backrest which can be tilted into a rest position;
- a seat carrier supporting said backrest;
- a footrest;
- and
- a telescopic tube connected on a first end to said support column and on a second end to said footrest, said telescopic tube being extendable from a basic position into an extended position, said telescopic tube having a restoring element exerting a restoring force on said telescopic tube in a direction of the basic position, and said telescopic tube having a valve with a large outflow resistance compared with an inflow resistance, for air flowing out of said telescopic tube during movement into the basic position.
2 more elements
Dependencies are inferred from the claim text.