US3918760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guard rail safety lock
Assignee: Individual
•
Filing: 1974-09-09
•
Granted: 1975-11-11
•
Expires: 1994-09-09
Abstract
Abstract A guard rail safety lock for an infant''s automobile seat comprising a U-shaped member pivotally mounted to the side frame in a position to closely overlie the guard rail in a first position and to clear the guard rail in a second position.
Inventors
- 👤 Morris I Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:18
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/26; B60N2/28; B60N2/2821; B60N2/2857; B60N2/286
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
182 words
In an infant''s car seat of the type having a guard rail pivotally mounted at each end to the corresponding side of the side frame of said seat to rotate between a lowered waistencircling position and a raised position above the seat and wherein that portion of the guard rail adjacent each said pivot is oriented generally parallel to the corresponding side of the side frame when the guard rail is in its lowered waist-encircling position, a safety lock to optionally retain said guard rail in said lowered position, said safety lock comprising a U-shaped member pivotally mounted to the side frame of said seat at right angles to and below said guard rail pivot, said U-shaped member having side arms adapted to closely overlie said guard rail when both said guard rail and said safety lock are in lowered position and of a length to permit the cross-bar portion of said U-shaped member to clear the end of said guard rail to permit said safety lock to be raised about its pivot to a raised position free from said guard rail.
Claim 2
Dependent Claim
182 words
In an infant''s car seat of the type having a guard rail pivotally mounted at each end to the corresponding side of the side frame of said seat to rotate between a lowered waistencircling position and a raised position above the seat and wherein that portion of the guard rail adjacent each said pivot is oriented generally parallel to the corresponding side of the side frame when the guard rail is in its lowered waist-encircling position, a safety lock to optionally retain said guard rail in said lowered position, said safety lock comprising a U-shaped member pivotally mounted to the side frame of said seat at right angles to and below said guard rail pivot, said U-shaped member having side arms adapted to closely overlie said guard rail when both said guard rail and said safety lock are in lowered position and of a length to permit the cross-bar portion of said U-shaped member to clear the end of said guard rail to permit said safety lock to be raised about its pivot to a raised position free from said guard rail.
Claim 3
Dependent Claim
51 words
A safety lock as claimed in claim 1, wherein the cross-bar portiOn of said U-shaped member is displaced from the plane of the side arm portion of said U-shaped member sufficiently that when said safety lock is in its raised position said side arm portions are oriented slightly beyond the perpendicular.
References Cited (Backward Citations)
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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) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |