US4582359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-handed high chair tray release mechanism
Assignee: Graco Childrens Products Inc
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Filing: 1985-03-13
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Granted: 1986-04-15
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Expires: 2005-03-13
Abstract
Abstract A one-hand operable high chair tray release mechanism is provided with a handle that simultaneously releases pegs that secure cuffs located beneath the tray to the arms of a high chair via mating openings in the chair arms and cuffs. The pegs translate horizontally and are spring biased to maintain the tray secured to the arms of the high chair tray.
Inventors
- 👤 Robert D. Wise
- 👤 Robert L. Quinlan, Jr.
- 👤 Charles W. Lauro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:00
CPC Classifications
A; A47; A47B; A47B39/00; A47D; A47D1/00; A47D1/008; A47D1/0085; A47C; A47C7/00; A47C7/62; A47C7/68
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
168 words
A high chair tray release mechanism operable with one hand and for use with a high chair with a pair of arms having a series of symmetrically disposed holes along said pair of arms and a tray adapted to extend across the upper surface of said pair of arms, comprising: a pair of cuffs fixed along the underside of said tray to accept said pair of high chair arms and having openings to mate with a pair of the holes provided in said pair of high chair arms; a pair of horizontally translatable pegs to couple said tray to said high chair arms by extending through both the openings in said cuffs and the holes in said high chair arms; means for coupling said pair of pegs, wherein said pair of pegs and said means for coupling said pair of pegs comprise a unitary element; and means for simultaneously retracting said pegs from engagement with the openings in said cuffs and the holes in said pair of arms.
Claim 2
Dependent Claim
168 words
A high chair tray release mechanism operable with one hand and for use with a high chair with a pair of arms having a series of symmetrically disposed holes along said pair of arms and a tray adapted to extend across the upper surface of said pair of arms, comprising: a pair of cuffs fixed along the underside of said tray to accept said pair of high chair arms and having openings to mate with a pair of the holes provided in said pair of high chair arms; a pair of horizontally translatable pegs to couple said tray to said high chair arms by extending through both the openings in said cuffs and the holes in said high chair arms; means for coupling said pair of pegs, wherein said pair of pegs and said means for coupling said pair of pegs comprise a unitary element; and means for simultaneously retracting said pegs from engagement with the openings in said cuffs and the holes in said pair of arms.
Claim 3
Dependent Claim
45 words
The invention of claim 1, wherein said cuffs are constructed with a channel of a cross-section to accept the shape of said arms and of sufficient length to prevent the tray from tipping about an axis of rotation centered along the line connecting said pegs.
Claim 4
Dependent Claim
36 words
The invention of claim 1, wherein said unitary element comprises an elongated member spanning the distance between said cuffs and terminating at both ends in L-shaped fingers disposed in the same direction to form said pegs.
Claim 5
Dependent Claim
39 words
The invention of claim 1, wherein said means for simultaneously retracting said pegs from engagement with said cuffs and said arms comprises a handle connected to at least one of said pegs which accomplishes horizontal translation of said pegs.
Claim 6
Dependent Claim
18 words
The invention of claim 4, wherein said handle pivots about a pin located on one of said cuffs.
Claim 7
Dependent Claim
18 words
The invention of claim 4, wherein said handle has a slot through which an elongated member is threaded.
Claim 8
Dependent Claim
32 words
The invention of claim 4, wherein said handle is spring biased to extend said pegs through said openings in said cuffs and said holes in said arms while in the unstretched position.
References Cited (Backward Citations)
GB171264A
Cited
US2100546A
Cited
US2154294A
Cited
US2118509A
Cited
US2505490A
Cited
US3476435A
Cited
US3490808A
Cited
US4151973A
Cited
US4288123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-14 | 1989-10-14 | 1990-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-14 | 1993-10-14 | 1994-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-14 | 1997-10-14 | 1998-04-15 | $7700.00 | Window Closed / Lapsed |