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US 7,287,816 B1Granted
Chair and grouping thereof
AssigneeNorix Group, Inc.
InventorRichard B. Karl
Life of this patent
Estimating the term…
Abstract
A chair has a durable surface with top cover supported by foam thereby providing an ergonomic recoverable shape and a fluid directing perimeter rim or perimeter ridge on a bottom surface thereof.
Claims14
A chair having a durable surface with an ergonomic recoverable shape comprising:
- (a) the chair having a top cover is secured to a bottom panel;
- (b) the bottom panel having a support panel secured thereover;
- (c) a foam support being situated between the support panel and the top cover;
- (d) the foam support being situated within the top cover;
- (e) the top cover being shaped by the foam support to direct a fluid flow away from a surface of the chair;
- (f) the chair including a directing means to keep the fluid from passing under the chair;
- (g) the directing means including a fluid directing perimeter rim on a lower surface of the chair said rim extending below the support panel and having an upwardly turned U-shaped section that is secured to the support panel;
- (h) the top cover providing a seating portion and a back portion for the chair;
- (i) the foam support shaping the back portion and the seating portion of the chair;
- (j) the top cover communicating with the bottom panel;
- (k) the back portion having a back tangential plane;
- (l) the seating portion having a seating tangential plane;
- (m) the back tangential plane and the seating portion having a plane intersection;
- and
- (n) the plane intersection having an angle in a range of about 70 degrees to about 120 degrees.
12 more elements
A chair having a durable surface with an ergonomic recoverable shape comprising:
- the chair having a top cover is secured to a bottom panel;
- the bottom panel having a support panel secured thereover;
- a foam support being situated between the support panel and the top cover;
- the foam support being situated within the top cover;
- the top cover being shaped by the foam support to direct a fluid flow away from a surface of the chair;
- the chair including a directing means to keep the fluid from passing under the chair;
- the support panel having a thickness of up to about 5 centimeters;
- the directing means including a fluid directing perimeter rim on a bottom surface of the chair;
- the top cover providing a seating portion and a back portion for the chair;
- the foam support shaping the back portion and the seating portion of the chair;
- the top cover having a bottom cover perimeter;
- the bottom panel having a bottompanel perimeter;
- the fluid directing perimeter rim being at or adjacent to the bottom cover perimeter and the bottom panel perimeter;
- an S-curve in a portion of the top cover connecting the back portion and the seating portion of the chair;
- the chair foam support having a density of about 10 grams to about 50 grams per cubic centimeter;
- the foamed polymer supporting the top cover from the inside and filling the space between the bottom panel and the top cover;
- the foamed polymer being at least one polymer selected from the group consisting of foamed polyurethane, and foamed polyimide;
- the bottom panel being substantially centrally located in a bottom portion of the top cover;
- the bottom portion of the top cover having the fluid directing perimeter rim in order for a fluid on the chair to flow down the chair and contact the fluid directing perimeter rim so that the fluid is directed away from an under portion of the chair;
- the support panel having a thickness of up to about 5 centimeters;
- staples and screws securing the chair together;
- and
- the top cover being a flexible vinyl fabric to add strength and durability to the chair while providing comfort.
20 more elements
Dependencies are inferred from the claim text.