US3743231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copy holders
Assignee: Individual
•
Filing: 1971-11-09
•
Granted: 1973-07-03
•
Expires: 1991-11-09
Abstract
Abstract This invention relates in general to holding a book or similar copy of material in a convenient position for the reader, and relates especially to typing books and associated copy materials used in conjunction with typing instruction in classrooms.
Inventors
- 👤 D Whyte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:56
CPC Classifications
A; A47; A47B; A47B23/00; A47B23/02; A47B23/04; A47B23/042
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
151 words
A copy holder for use in connection with typewriters comprising a frame upright structure comprising, a. a relatively rigid length of strap material formed into a generally vertical column comprising, a first generally upright riser member, a base portion, and a second upright riser member of generally inverted L-shape, said base portion joining the lower ends of said upright riser members, and the upper ends of said riser members being joined by a single fastener, b. said second riser member having a nose portion that extends outward from its generally vertical lines, c. said strap material also having a mounting fastener centered on said base portion where it receives support from a desk surface on which it is mounted, d. the upper portion of the inverted L-shaped second riser member being inclined at approximately 45* to the horizontal to provide an inclined surface on which to mount a pivoting holder assembly.
Claim 2
Dependent Claim
151 words
A copy holder for use in connection with typewriters comprising a frame upright structure comprising, a. a relatively rigid length of strap material formed into a generally vertical column comprising, a first generally upright riser member, a base portion, and a second upright riser member of generally inverted L-shape, said base portion joining the lower ends of said upright riser members, and the upper ends of said riser members being joined by a single fastener, b. said second riser member having a nose portion that extends outward from its generally vertical lines, c. said strap material also having a mounting fastener centered on said base portion where it receives support from a desk surface on which it is mounted, d. the upper portion of the inverted L-shaped second riser member being inclined at approximately 45* to the horizontal to provide an inclined surface on which to mount a pivoting holder assembly.
Claim 3
Dependent Claim
40 words
The copy holder of claim 1, wherein a one piece reinforcing member of strap material is connected at its ends to said second riser member and intermediate its ends to said first riser member to form a truss type structure.
Claim 4
Dependent Claim
42 words
The copy holder of claim 1, wherein said nose portion is formed by the intersecting portions of the inverted L-shaped second riser member, said nose portion thrusting outward to furnish necessary limits to the positioning of copy materials supporting the holder assembly.
Claim 5
Dependent Claim
33 words
The copy holder of claim 1, wherein a supportive stop of non-abrasive, shock absorbing, rubber-like material is mounted on said nose portion to support and protect copy material supported on said copy holder.
Claim 6
Dependent Claim
24 words
The copy holder of claim 1, wherein said mounting fastner comprises a single bolt fastner to create mounting tension and pivotal action of 360*.
Claim 7
Dependent Claim
32 words
The copy holder of claim 1, wherein said holder assembly has an upwardly open channel mounted to said inclined surface in a manner that permits 360* rotational action about a pivot point.
Claim 8
Dependent Claim
107 words
The copy holder of claim 16, with the addition of a second but narrower piece of channel stradling one leg of said first channel, said first channel having a threaded opening near the center of one leg thereof, said threaded opening receiving a set screw therein, said second channel having a cooperating hole slightly larger than said set screw in one leg thereof for receiving said set screw, said enlarged opening allowing said second channel leg to move freely on said set screw, the outer end of said set screw engaging the other leg of said second channel to provide for holding copy material between said channels.
Claim 9
Dependent Claim
41 words
The copy holder of claim 1, wherein said fastener includes an externally threaded bolt and mating locking nuts which produce tension between said base portion and a large flat washer mounted immediately above the desk and directly under the base portion.
References Cited (Backward Citations)
US742395A
Cited
US893593A
Cited
US1811118A
Cited
US1692727A
Cited
US1990770A
Cited
US2034930A
Cited
US2234086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |