US5482311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjusting/positioning device for a backrest of a stroller
Assignee: Link Treasure Ltd
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Filing: 1994-09-02
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Granted: 1996-01-09
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Expires: 2014-09-02
Abstract
Abstract A backrest adjusting device for a stroller includes a slidable seat slidably mounted to each of two limbs of a backrest frame member of the stroller. Each slidable seat includes a receptacle, a spring mounted in the receptacle, a first pin mounted above the spring and transversely passing through an associated limb of the backrest frame member, a stop piece mounted in the receptacle and located above the first pin thereby defining a lowermost position of the slidable seat, and a second pin projecting outward from an outer periphery thereof. A pull bar is mounted between the slidable seats. The second pins engage with sockets defined in a frame of the stroller when the backrest frame member is in a substantially upright position. The backrest frame member is pivotable to a substantially horizontal position when the second pins disengage with the sockets upon actuation of the pull bar which causes upward movement of the slidable seats.
Inventors
- 👤 Li-Chu C. Huang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:47
CPC Classifications
B; B62; B62B; B62B9/00; B62B9/26; B62B9/10; B62B9/102; B62B9/104
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
164 words
A backrest adjusting device for a stroller having a frame and a backrest frame member with two limbs, comprising: a pair of sockets defined in the frame of the stroller; a slidable seat slidably mounted to each of said limbs and comprising: a receptacle; a spring mounted in said receptacle; a first pin mounted above said spring and transversely passing through associated said limb of said backrest frame member; a stop piece mounted in said receptacle and located above said first pin thereby defining a lowermost position of said slidable seat; and a second pin projecting outward from an outer periphery thereof; and a pull bar mounted between said slidable seats; whereby said second pins engage with said sockets when said backrest frame member is in a substantially upright position, and said backrest frame member is pivotable to a substantially horizontal position when said second pins disengage with said sockets upon actuation of said pull bar which causes upward movements of said slidable seats.
Claim 2
Dependent Claim
164 words
A backrest adjusting device for a stroller having a frame and a backrest frame member with two limbs, comprising: a pair of sockets defined in the frame of the stroller; a slidable seat slidably mounted to each of said limbs and comprising: a receptacle; a spring mounted in said receptacle; a first pin mounted above said spring and transversely passing through associated said limb of said backrest frame member; a stop piece mounted in said receptacle and located above said first pin thereby defining a lowermost position of said slidable seat; and a second pin projecting outward from an outer periphery thereof; and a pull bar mounted between said slidable seats; whereby said second pins engage with said sockets when said backrest frame member is in a substantially upright position, and said backrest frame member is pivotable to a substantially horizontal position when said second pins disengage with said sockets upon actuation of said pull bar which causes upward movements of said slidable seats.
Claim 3
Dependent Claim
113 words
The device as claimed in claim 1 wherein each said slidable seat comprises: a first section having a longitudinal bore defined therein through which associated said limb of said backrest frame member passes; a second section having a receptacle therein which communicates with said longitudinal bore and in which said spring and said stop piece are received; a pin head receiving compartment defined in said first section opposite to said second section; and a recess defined in said second section opposite to said pin head receiving compartment; and said first pin includes a pin head received in said pin head receiving compartment and a stem with a distal end received in said recess.
Claim 4
Dependent Claim
157 words
A stroller comprising: a frame having a pair of sockets defined therein; a backrest frame member having two limbs; and a backrest adjusting device comprising: a slidable seat slidably mounted to each said limb and comprising a receptacle, a spring mounted in said receptacle, a first pin mounted above said spring and transversely passing through said limb of said backrest frame member, a stop piece mounted in said receptacle and located above said first pin thereby defining a lowermost position of said slidable seat, and a second pin projecting outward from an outer periphery thereof; and a pull bar mounted between said slidable seats; whereby said second pins engage with said sockets when said backrest frame member is in a substantially upright position, and said backrest frame member is pivotable to a substantially horizontal position when said second pins disengage with said sockets upon actuation of said pull bar which causes upward movements of said slidable seats.
Claim 5
Dependent Claim
157 words
A stroller comprising: a frame having a pair of sockets defined therein; a backrest frame member having two limbs; and a backrest adjusting device comprising: a slidable seat slidably mounted to each said limb and comprising a receptacle, a spring mounted in said receptacle, a first pin mounted above said spring and transversely passing through said limb of said backrest frame member, a stop piece mounted in said receptacle and located above said first pin thereby defining a lowermost position of said slidable seat, and a second pin projecting outward from an outer periphery thereof; and a pull bar mounted between said slidable seats; whereby said second pins engage with said sockets when said backrest frame member is in a substantially upright position, and said backrest frame member is pivotable to a substantially horizontal position when said second pins disengage with said sockets upon actuation of said pull bar which causes upward movements of said slidable seats.
Claim 6
Dependent Claim
113 words
The stroller as claimed in claim 3 wherein each said slidable seat comprises: a first section having a longitudinal bore defined therein through which associated said limb of said backrest frame member passes; a second section having a receptacle therein which communicates with said longitudinal bore and in which said spring and said stop piece are received; a pin head receiving compartment defined in said first section opposite to said second section; and a recess defined in said second section opposite to said pin head receiving compartment; and said first pin includes a pin head received in said pin head receiving compartment and a stem with a distal end received in said recess.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-01-08 | 1999-07-10 | 2000-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-08 | 2003-07-10 | 2004-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-08 | 2007-07-10 | 2008-01-09 | $7700.00 | Window Closed / Lapsed |