US3759482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable easel construction
Assignee: Individual
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Filing: 1971-12-06
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Granted: 1973-09-18
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Expires: 1991-12-06
Abstract
Abstract A tripod easel construction including a central upstanding support and guide means providing a plurality of way means for a work holder slide bar and associated securement means whereby workpieces of different height may be readily secured and retained on said slide bar and said workpiece so retained may be readily adjusted to a selected working or display height. An easel construction having an arrangement of easel legs and upstanding support and guide means and associated slide work holder bar and securement means therefor which is readily adjusted as to height, working angle, and which may be readily collapsed and erected.
Inventors
- 👤 E Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:48
CPC Classifications
A; A47; A47B; A47B97/00; A47B97/04; A47B97/08
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
139 words
In an adjustable easel construction, the combination of: a plurality of easel legs; an upstanding support and guide means carried by said legs; means pivotally connecting lower portions of said easel legs to the lower end of said guide means; slidable means pivotally connecting upper ends of said easel legs to the upper end portion of said guide means; a work holder bar movable along said guide means to a selected working height; means slidably mounting said work holder bar on said guide means; longitudinally spaced work holder means slidably adjustable into spaced relation longitudinally of the work holder bar and movable therewith relative to the guide means without modifying the spacing between said work holder means; one of said work holder means including means for holding said work holder bar in selected positions relative to said guide means.
Claim 2
Dependent Claim
139 words
In an adjustable easel construction, the combination of: a plurality of easel legs; an upstanding support and guide means carried by said legs; means pivotally connecting lower portions of said easel legs to the lower end of said guide means; slidable means pivotally connecting upper ends of said easel legs to the upper end portion of said guide means; a work holder bar movable along said guide means to a selected working height; means slidably mounting said work holder bar on said guide means; longitudinally spaced work holder means slidably adjustable into spaced relation longitudinally of the work holder bar and movable therewith relative to the guide means without modifying the spacing between said work holder means; one of said work holder means including means for holding said work holder bar in selected positions relative to said guide means.
Claim 3
Dependent Claim
60 words
In a construction as stated in claim 1 wherein said upstanding support and guide means includes a longitudinally extending hollow body member provided wIth a plurality of internal way means for slidable engagement by said work holder bar, said slidable means, and said means for holding the work holder bar; said body member having front and back longitudinally extending slots.
Claim 4
Dependent Claim
31 words
In a construction as stated in claim 2 wherein said plurality of way means includes front, back, and intermediate ways, said work holder bar being slidably movable along said intermediate way.
Claim 5
Dependent Claim
58 words
In a construction as stated in claim 3 wherein said work holder bar includes a longitudinally extending channel and a longitudinally extending slot communicating with said channel, said channel slot being aligned with one of said slots on said guide means, said work holder means being slidably movable along said channel and slot in said work holder bar.
Claim 6
Dependent Claim
54 words
In a construction as stated in claim 4 wherein said one work holder means includes a slide plate slidable along said outer way, an outer tightening member, means threadedly connecting said slide plate and said tightening member whereby said one work holder means is held in clamped relation with respect to said guide means.
Claim 7
Dependent Claim
53 words
In a construction as stated in claim 5 wherein said one work holder means includes a slide shoe slidable in said channel on said work holder bar, a bolt means extending through said threaded means and connected to said slide shoe, and nut means on said bolt actuatable independently of said tightening means.
Claim 8
Dependent Claim
75 words
In a construction as stated in claim 1 wherein said support and guide means includes a front face lying in the plane defined by two of said easel legs; said one work holder means including a member slidable along said front face; and a crossbar carried by said slidable member and having a back face lying in said plane for supporting contact with said two easel legs and said front face of said guide means.
Claim 9
Dependent Claim
24 words
In a construction as stated in claim 7 including means pivotally connecting said crossbar to said slidable member on said one work holder means.
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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |