US3724876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loose leaf ring binder easel structure
Assignee: Avery Dennison Office Products Co
•
Filing: 1971-07-12
•
Granted: 1973-04-03
•
Expires: 1991-07-12
Abstract
Abstract Loose leaf ring binder easel structure having outer cover panels, an intermediate back cover panel pivotally hinged therebetween and ring wire sheet holding mechanism mounted on the back panel, one of the outer covers having an easel support secured thereto and extending from the inside cover surface for engaging the ring wires and holding the cover to an outer limit of pivotal movement at an oblique angular relation to the back panel, the second outer cover panel being free to swing into a back to back relation with the back cover panel. When the second cover panel rests on a platform surface the back panel is horizontal and the easel support holds the first cover panel at the upright angle for turning sheets on the ring wires to and from an inclined easel position against the cover.
Inventors
- 👤 A Krikorian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:50
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/40; B42F13/402
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
104 words
In a loose leaf binder having cover panels and pivotally hinged therebetween a connecting back cover panel with loose leaf sheet holding ring wire means mounted thereon, easel support means anchored on one of the cover panels and extending to engage the ring wire means and restrict said one cover panel to an outer limit of pivotal movement on its hinged connection with said back panel, said cover panel at said limit being held by the easel support means in an upright oblique angular relationship with the back panel when the binder is supported with the back panel lying in a substantially horizontal position.
Claim 2
Dependent Claim
104 words
In a loose leaf binder having cover panels and pivotally hinged therebetween a connecting back cover panel with loose leaf sheet holding ring wire means mounted thereon, easel support means anchored on one of the cover panels and extending to engage the ring wire means and restrict said one cover panel to an outer limit of pivotal movement on its hinged connection with said back panel, said cover panel at said limit being held by the easel support means in an upright oblique angular relationship with the back panel when the binder is supported with the back panel lying in a substantially horizontal position.
Claim 3
Dependent Claim
65 words
The structure of claim 1, in which, said ring wire means comprise a plurality of rings having mating separable ring halves extending in arched overlying relation to said back cover panel, and said easel support means is fastened on and removed from the ring wire halves over the outer free end of at least one of the ring halves when said ring halves are separated.
Claim 4
Dependent Claim
37 words
The structure of claim 2, in which, said easel support means is anchored against the inner face of said one cover panel and fixed thereto in remotely spaced relation to the hinged connection with said back panel.
Claim 5
Dependent Claim
73 words
The structure of claim 2, in which, said easel support means is a flexible strap having its anchored end fixed on the inner face of said one cover panel in a central inwardly spaced relation to the edge thereof remote from the hinged connection with the back panel and said strap is provided with a reinforced opening at its outer end engageable with a ring half at the center of said back panel.
Claim 6
Dependent Claim
49 words
The structure of claim 2, in which, said easel support means comprises a panel extension at the outer edge of said one cover panel and openings are provided at the free end edge of said extension for releasable engagement with the adjacent ring halves of said plurality of rings.
Claim 7
Dependent Claim
45 words
The structure of claim 2, in which, said easel support means is anchored on the inner face of said one cover panel and at a location spaced from the hinged connection with the back panel a distance approximately equal to the diameter of said rings.
Claim 8
Dependent Claim
32 words
The structure of claim 6, in which, said easel support means is rigid and pivotally anchored to the cover panel for swinging the outer end over the end of a ring half.
Claim 9
Dependent Claim
42 words
The structure of claim 7, in which, said easel support means comprises at least one wire bail pivotally mounted in registering relation with a ring and having convergently directed sides forming an outer angularly looped tip for nesting a ring half therein.
Claim 10
Dependent Claim
71 words
The structure of claim 8, in which, said ring wire means is a loose leaf toggle plate ring mechanism for releasably locking the ring halves in closed condition, wire bails are pivotally mounted on said cover panel for operative engagement with the rings at opposite ends of the back panel, and means are provided on said cover panel adjacent the bails to keep the bails releasably held against the panel surface.
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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |