Patent US6205418B1 successfully refreshed from Google Patents.
Patent US7434888B2 successfully refreshed from Google Patents.
US7434888B2
Active / In Force
US
⏱️ 0.1 years remaining
Chair having adjustable weight proportion accepting elements
Assignee: Individual
•
Filing: 2006-11-29
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Granted: 2008-10-14
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Expires: 2026-11-29
Abstract
Abstract A seat includes a tray, a net mounted on the tray and a supporting device provided between the tray and the net. Thus, when a user sits on the seat, the net takes a proportion of the user's weight while the supporting device takes another proportion of the user's weight.
Inventors
- 👤 Peter Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:16
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C31/00; A47C31/02; A47C7/02; A47C7/28; A47C7/282
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
138 words
A seat comprising a tray; a plate mounted to the tray; and a net mounted on the tray, with the plate provided between the tray and the net with the net being deflectable towards the plate, wherein when a user sits on the seat, the net takes a proportion of the user's weight while the plate takes another proportion of the user's weight; and an adjusting element retaining the plate at one of various positions spaced from the tray to vary the proportion of the user's weight taken by the net, and wherein the tray is bowl shaped and includes a rim and an interior, with the net including a periphery connected to the rim of the tray, with the net extending over the interior of the tray, with the plate located within the interior of the tray.
Claim 2
Dependent Claim
138 words
A seat comprising a tray; a plate mounted to the tray; and a net mounted on the tray, with the plate provided between the tray and the net with the net being deflectable towards the plate, wherein when a user sits on the seat, the net takes a proportion of the user's weight while the plate takes another proportion of the user's weight; and an adjusting element retaining the plate at one of various positions spaced from the tray to vary the proportion of the user's weight taken by the net, and wherein the tray is bowl shaped and includes a rim and an interior, with the net including a periphery connected to the rim of the tray, with the net extending over the interior of the tray, with the plate located within the interior of the tray.
Claim 3
Dependent Claim
54 words
The seat according to claim 1 wherein the adjusting element comprises a threaded bolt and the plate defines an aperture, and the tray defines a screw hole for receiving the threaded bolt inserted through the aperture of the plate, with rotation of the screw spacing the tray at the one of the various positions.
Claim 4
Dependent Claim
31 words
The seat according to claim 2 wherein the plate has a portion connected to the tray and another portion for contact with the net when the user sits on the seat.
Claim 5
Dependent Claim
54 words
The seat according to claim 2 wherein the adjusting element comprises a threaded bolt, and the plate defines an aperture, and the tray defines a screw hole for receiving the threaded bolt inserted through the aperture of the plate, with rotation of the screw spacing the tray at the one of the various positions.
Claim 6
Dependent Claim
33 words
The seat according to claim 4 further comprising a pad mounted on the plate and intermediate the plate and the net for contact with the net when the user sits on the seat.
Claim 7
Dependent Claim
33 words
The seat according to claim 2 further comprising a pad mounted on the plate and intermediate the plate and the net for contact with the net when the user sits on the seat.
Claim 8
Dependent Claim
13 words
The seat according to claim 1 comprising a frame for supporting the net.
Claim 9
Dependent Claim
33 words
The seat according to claim 1 further comprising a pad mounted on the plate and intermediate the plate and the net for contact with the net when the user sits on the seat.
Claim 10
Dependent Claim
122 words
A seat comprising a tray, a net mounted on the tray and a supporting device provided between the tray and the net so that when a user sits on the seat, the net takes a proportion of the user's weight while the supporting device takes another proportion of the user's weight, wherein the supporting device comprises a plate with a portion connected to the tray and another portion for contact with the net when the user sits on the seat, wherein the supporting device comprises an adjusting element for adjusting the height of the plate on the tray, wherein the adjusting element comprises an axle rotationally mounted on the tray and a cam formed on the axle and located beneath the plate.
Claim 11
Dependent Claim
122 words
A seat comprising a tray, a net mounted on the tray and a supporting device provided between the tray and the net so that when a user sits on the seat, the net takes a proportion of the user's weight while the supporting device takes another proportion of the user's weight, wherein the supporting device comprises a plate with a portion connected to the tray and another portion for contact with the net when the user sits on the seat, wherein the supporting device comprises an adjusting element for adjusting the height of the plate on the tray, wherein the adjusting element comprises an axle rotationally mounted on the tray and a cam formed on the axle and located beneath the plate.
Claim 12
Dependent Claim
17 words
The seat according to claim 9 wherein the supporting device comprises two bearings for supporting the axle.
Claim 13
Dependent Claim
21 words
The seat according to claim 10 wherein each of the bearings defines a tunnel for receiving a portion of the axle.
Claim 14
Dependent Claim
47 words
The seat according to claim 10 wherein the supporting device comprises a plurality of threaded bolts, and each of the bearings defines a plurality of apertures, and the tray defines a plurality of screw holes for receiving the threaded bolts inserted through the apertures of the bearings.
Claim 15
Dependent Claim
39 words
The seat according to claim 9 wherein the tray defines an aperture, and the axle comprises a portion inserted through the aperture of the tray, and the supporting device comprises a knob connected to the portion of the axle.
Claim 16
Dependent Claim
20 words
The seat according to claim 13 wherein the supporting device comprises a pin driven into the axle through the knob.
Claim 17
Dependent Claim
30 words
The seat according to claim 9 wherein the supporting device comprises a positioning element connected to the axle for retaining the adjusting element in a desired one of several positions.
Claim 18
Dependent Claim
42 words
The seat according to claim 15 wherein the supporting device comprises a tab connected to the tray, and the positioning element comprises a hub mounted on the axle and a plurality of spokes extended from the hub and engaged with the tab.
Claim 19
Dependent Claim
20 words
The seat according to claim 16 wherein the supporting device comprises a pin driven into the axle through the hub.
Claim 20
Dependent Claim
19 words
The seat according to claim 9 wherein the plate comprises a plurality of ribs in contact with the cam.
References Cited (Backward Citations)
US430703A
Cited
US1273521A
Cited
US3120407A
Cited
US3107944A
Cited
US3224017A
Cited
US4318556A
Cited
US6059368A
Cited
US6588842B2
Cited
US5405179A
Cited
US6755477B2
Cited
US6082824A
Cited
US6264279B1
Cited
US20020060493A1
Cited
US6983997B2
Cited
US7270378B2
Cited
US7237847B2
Cited
US6786544B1
Cited
US6957861B1
Cited
US7066550B1
Cited
US20070102987A1
Cited
US7267408B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2011-10-14 | 2012-04-14 | 2012-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2015-10-14 | 2016-04-14 | 2016-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2019-10-14 | 2020-04-14 | 2020-10-14 | $7700.00 | Window Closed / Lapsed |