Seat

Inactive Publication Date: 2014-05-15
FREEDMAN SEATS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0019]When the standing lordosis is achieved it is the natural positioning of the vertebral structures that hold the body upright, not the muscles of the back. When the natural standing lordotic posture is lost, as with a horizontal seat pan, the muscles of the back attempt to support the person in an upright position. These muscles soon tire and allow the lumbar spine to curve (slump) forward which has a d

Problems solved by technology

Firstly, as most seats have horizontal or slightly downward sloping seat pans this does not allow the lumbar spine to achieve a stable position and so requires the overuse of insufficient spinal and paraspinal muscles to maintain an upright position.
These muscles are not meant to maintain an upright position for a sustained period.
Secondly, the human body is full o

Method used

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Embodiment Construction

[0043]FIG. 4 best illustrates a general view of a seat according to the present invention incorporated into an office chair which has a base with feet and / or wheels 11 converging into a central pedestal 12. Such a base with wheels is relatively conventional and it should be noted that any recognisable configuration of chair with ground contacting parts could implement the invention.

[0044]A height adjustment means 13 is incorporated into the pedestal 12, which may be in the form of a screw thread (as shown) or a pneumatic / spring cylinder. FIGS. 1 and 2 illustrate relatively raised and lowered positions of the seat by virtue of the height adjustment means 13. Height of the seat from the ground is adjusted for comfort dependent on the length of a user's legs, e.g. so feet will be flat on the floor.

[0045]The seat itself includes a seat pan preferably formed from two pads 14 which have an at least partially concave construction and are a mirror-image of each other. These pads 14 are pref...

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PUM

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Abstract

A seat with a contoured pan comprises of two concavely shaped pads adapted to support the thighs of a user at an optimal angle to the horizontal plane. The seat further includes a linkage between the pads that allows for roll movement as a user sits on the seat. The combined features enable a user to be directed into a comfortable seating position that emulates the shape of the spine when standing.

Description

TECHNICAL FIELD[0001]The present invention relates to a seat; particularly a seat for use in an office chair, task chair, aircraft seat, bicycle, vehicle, wheelchair, pushchair, child's seat / car seat or bench. Specifically, the invention is a seat that actively directs the sitter into a correct sitting position as hypothesised by the inventor, i.e. a position that emulates the position that the sitter's spine and pelvis would achieve if they were standing.BACKGROUND ART[0002]Traditional chairs with near horizontal seat pans (both forward to back and side to side) force people to sit in a posture that is detrimental to proper functioning of their spines and associated tissues, which can lead to strain, injury and, in some cases, spinal degeneration. Specifically, horizontal seat pans force a sitting position with a curved back and reduced thoraco-abdominal space, so causing compression of the abdominal viscera, diaphragm and lungs which can result in hindered digestion and breathing....

Claims

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Application Information

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IPC IPC(8): A47C7/02A47C7/14
CPCA47C7/14A47C9/025A47C7/405A47C7/024A47C7/02A47C9/005A47C7/144A47C7/46
Inventor FREEDMAN, SIMON, ANDREW
Owner FREEDMAN SEATS
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