GB190915046A - Improvements in and relating to Leaf-turners for Music. - Google Patents
Improvements in and relating to Leaf-turners for Music.Info
- Publication number
- GB190915046A GB190915046A GB190915046DA GB190915046A GB 190915046 A GB190915046 A GB 190915046A GB 190915046D A GB190915046D A GB 190915046DA GB 190915046 A GB190915046 A GB 190915046A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arm
- frames
- leaf
- spring
- turners
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D9/00—Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
- B42D9/04—Leaf turners
- B42D9/08—Leaf turners having radial arms, one per leaf, operated successively
- B42D9/088—Leaf turners having radial arms, one per leaf, operated successively actuated by means other than springs
Abstract
15,046. Wackermann, K. June 28. Leaf-turners.-A leaf-turner in which leaf-engaging frames are turned successively by an arm rotated by clock-work, comprises a series of frames a, a', a<2> rotatably mounted on a rod b. The frames are superposed one upon another and are adapted to be engaged in turn by an arm c rotated through gearing h, i, k, l, m, n by suitable clockwork. The driving-arm rotates in an inclined plane and engages enlargements e on the frames a. The frames are pressed upwards by a spring g on the spindle b, and each is provided with a flap f to engage the frame below and prevent it from rising under the action of the spring and into the path of the arm c, until the first frame has been turned over. The releasing-mechanism comprises an arm o on the spindle of the gear-wheel m, which is engaged by a spring-pressed pin p adapted to be pulled away by a string q so as to release the arm o.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB190915046T | 1909-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190915046A true GB190915046A (en) | 1910-01-27 |
Family
ID=32556272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190915046D Expired GB190915046A (en) | 1909-06-28 | 1909-06-28 | Improvements in and relating to Leaf-turners for Music. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190915046A (en) |
-
1909
- 1909-06-28 GB GB190915046D patent/GB190915046A/en not_active Expired
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