Patent US3604328A successfully refreshed from Google Patents.
US3604328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide copying device
Assignee: Nikon Corp
•
Filing: 1969-09-19
•
Granted: 1971-09-14
•
Expires: 1989-09-19
Abstract
Abstract A slide copying device is provided which is capable of moving in both horizontal and vertical directions to allow trimming of a slide both horizontally and vertically. The device employs a single dual purpose clamp handle, which also is used as the handle for the trimming operations.
Inventors
- 👤 Sadao Nakagawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:22
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
234 words
A slide copying device comprising a main unit provided with a predetermined window frame, a first dovetail groove, and clamp hole; a dovetail holding plate provided with a predetermined window frame, clamp shaft escape hole, a first dovetail that engages with the first dovetail groove on the back surface, and a second and third dovetails on the front surface; a film holding plate provided with a predetermined window frame, a second dovetail groove which engages with the second dovetail, and a third dovetail groove which engages with the third dovetail on the back surface; a female screw which is fixed to the film holding plate 3; a clamp shaft which screws with said female screw, one end of which forming a handle and the other end fitting in a horizontal direction sliding a plate, the clamp shaft having means for stopping the slip out of said sliding plate, and being capable of moving said dovetail holding plate and film holding plate freely in both horizontal and vertical directions as well as sandwiching said horizontal sliding plate in said main unit and clamping it at any position; the horizontal direction sliding plate being fitted into said clamp shaft and engaged with a horizontal direction guiding means provided on a vertical direction sliding plate; said vertical direction sliding plate being movable in a vertical direction along a vertical direction guiding means provided on said main unit.
Claim 2
Dependent Claim
234 words
A slide copying device comprising a main unit provided with a predetermined window frame, a first dovetail groove, and clamp hole; a dovetail holding plate provided with a predetermined window frame, clamp shaft escape hole, a first dovetail that engages with the first dovetail groove on the back surface, and a second and third dovetails on the front surface; a film holding plate provided with a predetermined window frame, a second dovetail groove which engages with the second dovetail, and a third dovetail groove which engages with the third dovetail on the back surface; a female screw which is fixed to the film holding plate 3; a clamp shaft which screws with said female screw, one end of which forming a handle and the other end fitting in a horizontal direction sliding a plate, the clamp shaft having means for stopping the slip out of said sliding plate, and being capable of moving said dovetail holding plate and film holding plate freely in both horizontal and vertical directions as well as sandwiching said horizontal sliding plate in said main unit and clamping it at any position; the horizontal direction sliding plate being fitted into said clamp shaft and engaged with a horizontal direction guiding means provided on a vertical direction sliding plate; said vertical direction sliding plate being movable in a vertical direction along a vertical direction guiding means provided on said main unit.
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) | 1974-09-13 | 1975-03-15 | 1975-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-13 | 1979-03-15 | 1979-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-13 | 1983-03-15 | 1983-09-14 | $7700.00 | Window Closed / Lapsed |