US4819988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Restraining device for a chair
Assignee: Individual
•
Filing: 1987-07-01
•
Granted: 1989-04-11
•
Expires: 2007-07-01
Abstract
Abstract A restraining device for highchairs and the like comprises limb means for closely overlying the lap of an occupant of the chair and adjustable vertically and horizontally with respect to the chair. The device includes a post which is attached in one embodiment to the underside of the feeding tray and in another embodiment to the seat of the chair.
Inventors
- 👤 Thomas Hellstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:48
CPC Classifications
A; A47; A47D; A47D15/00; A47D15/005; A47D15/006
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
111 words
In a device for restraining an occupant of a chair having a seat, arms, and a tray extending across the front of the occupant, the invention characterized by: post means disposed midway between the arms and extending generally vertically between the seat and tray and secured to one of them; thigh engaging limb means mounted on the post means for vertically adjustable positioning and extending laterally thereof toward the arms to overlie in juxtaposition the thighs of an occupant and prevent escape from the chair; and detent means for locking the limb means in vertically adjusted positions to adapt the limb means to the thighs of the occupant to be restrained.
Claim 2
Dependent Claim
111 words
In a device for restraining an occupant of a chair having a seat, arms, and a tray extending across the front of the occupant, the invention characterized by: post means disposed midway between the arms and extending generally vertically between the seat and tray and secured to one of them; thigh engaging limb means mounted on the post means for vertically adjustable positioning and extending laterally thereof toward the arms to overlie in juxtaposition the thighs of an occupant and prevent escape from the chair; and detent means for locking the limb means in vertically adjusted positions to adapt the limb means to the thighs of the occupant to be restrained.
Claim 3
Dependent Claim
25 words
The invention defined by claim 1 wherein said limb means is generally U-shaped to overlie the thighs of an occupant and partially embrace the torso.
Claim 4
Dependent Claim
44 words
The invention defined by claim 1 wherein said detent means comprising an elongated tongue resiliently connected at one end to the sleeve and having a catch portion at the opposite end for entering any one of a series of apertures in the post means.
Claim 5
Dependent Claim
47 words
The invention defined in claim 3 wherein said sleeve is formed of plastic material and said detent means comprises an elongated tongue integrally resiliently connected with the sleeve at one end and having a catch portion at the opposite end for locking engagement with the post means.
Claim 6
Dependent Claim
35 words
The invention defined by claim 3 wherein said tongue includes a handle portion to facilitate manual deflection of the tongue to disengage the catch from the post to permit adjustment between the post and sleeve.
Claim 7
Dependent Claim
41 words
The invention defined by claim 1 wherein said post means comprising a plurality of end connected post sections whereby removal or addition of sections permit elongation or shortening of the post means to accommodate varying distances between the seat and tray.
Claim 8
Dependent Claim
40 words
The invention defined by claim 6 wherein said post means is hollow and the post sections are shaped to interfit at their meeting ends, and fastener means extends axially through the post sections to secure them in rigid connected relation.
Claim 9
Dependent Claim
21 words
The invention defined by claim 1 wherein said post means is adjustable toward and away from an occupant of the chair.
Claim 10
Dependent Claim
14 words
The invention defined by claim 1 wherein said post is mounted on the seat.
Claim 11
Dependent Claim
25 words
The invention defined by claim 9 wherein the limb means is fixedly connected to the post and the post is vertically adjustable on the seat.
Claim 12
Dependent Claim
25 words
The invention defined in claim 1 wherein said limb means is sufficiently rigid to prevent flexure thereof and escape of an occupant of the chair.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-04-10 | 1992-10-10 | 1993-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-10 | 1996-10-10 | 1997-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-10 | 2000-10-10 | 2001-04-11 | $7700.00 | Window Closed / Lapsed |