Patent US4592652A successfully refreshed from Google Patents.
US4592652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material contacting device
Assignee: Dainippon Screen Manufacturing Co Ltd
•
Filing: 1984-11-05
•
Granted: 1986-06-03
•
Expires: 2004-11-05
Abstract
Abstract A sheet material contacting device comprising a flexible sheet-like pressing member having a sufficient weight to force a sheet material against a planar transparent plate, a pair of rigid support members fixedly holding opposed edges of said pressing member, and means for vertically moving said pressing member relative to said transparent plate.
Inventors
- 👤 Kojiro Henmi
- 👤 Eiji Miyasaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:03
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/6221; G03B27/6228
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
68 words
A sheet material contacting device comprising: a flexible sheet-like pressing member having a sufficient weight to force a sheet material against a planar transparent plate; a pair of rigid support members fixedly holding opposed edges of said pressing member the support members being in the form of bars which are rotatable in mutually opposite directions; and means for vertically moving said pressing member relative to said transparent plate.
Claim 2
Dependent Claim
68 words
A sheet material contacting device comprising: a flexible sheet-like pressing member having a sufficient weight to force a sheet material against a planar transparent plate; a pair of rigid support members fixedly holding opposed edges of said pressing member the support members being in the form of bars which are rotatable in mutually opposite directions; and means for vertically moving said pressing member relative to said transparent plate.
Claim 3
Dependent Claim
28 words
The device as set forth in claim 1, wherein said pressing member comprises a rubber plate and a fabric bonded to the lower surface of said rubber plate.
Claim 4
Dependent Claim
71 words
A sheet material contacting device comprising: a flexible sheet-like pressing member having a sufficient weight to force a sheet material against a planar transparent plate; a pair of parallel, rigid support members fixedly holding opposed edges of said pressing member; means for moving the support members toward and away from one another while maintaining the support members parallel, and means for vertically moving said pressing member relative to said transparent plate.
Claim 5
Dependent Claim
71 words
A sheet material contacting device comprising: a flexible sheet-like pressing member having a sufficient weight to force a sheet material against a planar transparent plate; a pair of parallel, rigid support members fixedly holding opposed edges of said pressing member; means for moving the support members toward and away from one another while maintaining the support members parallel, and means for vertically moving said pressing member relative to said transparent plate.
Claim 6
Dependent Claim
28 words
The device as set forth in claim 3, wherein said pressing member comprises a rubber plate and a fabric bonded to the lower surface of said rubber plate.
References Cited (Backward Citations)
US2774289A
Cited
US3711197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-02 | 1989-12-02 | 1990-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-02 | 1993-12-02 | 1994-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-02 | 1997-12-02 | 1998-06-03 | $7700.00 | Window Closed / Lapsed |