Chairs and seats – Straddle seat – Sectional or split relatively movable supporting surface
Reexamination Certificate
2007-07-31
2007-07-31
Cranmer, Laurie K. (Department: 3636)
Chairs and seats
Straddle seat
Sectional or split relatively movable supporting surface
C297S195100, C297S195110, C297S215150, C297S202000
Reexamination Certificate
active
10641735
ABSTRACT:
The present invention relates to a chair for eliminating problems of sedentary origin, which chair consists a saddle-shaped seat part (13) supporting the pelvis and the thigh muscles of the seated person which seat part has two curved thigh troughs (113, 115), which both have a bottom section (101, 102) and its opposite sides there is an inner side section (103and104) and outer side section (105and106) in relation to the other thigh trough, and which mentioned sections form lengths (L) to the mentioned thigh troughs and within this length there are front sections (107) and back sections (108) for the thigh troughs; when the inner side sections rise from their front sections towards each other, thus forming a central ridge (110) longitudinal to the seat part and mentioned back sections form a back section (A), where from the mentioned lengths reach down-wards and at the same time away from each other. In the chair according to the invention the thigh troughs (113, 115) are at least two separate parts (3, 5) between of which there is a central opening (20) parallel with the mentioned central ridge (110).
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Cranmer Laurie K.
Easydoing Oy
Harrington & Smith PC
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