GB815072A - Improvements in or relating to leaf or page-turning mechanisms - Google Patents

Improvements in or relating to leaf or page-turning mechanisms

Info

Publication number
GB815072A
GB815072A GB904856A GB904856A GB815072A GB 815072 A GB815072 A GB 815072A GB 904856 A GB904856 A GB 904856A GB 904856 A GB904856 A GB 904856A GB 815072 A GB815072 A GB 815072A
Authority
GB
United Kingdom
Prior art keywords
page
support
arms
leaf
wire
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
Application number
GB904856A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHARLES HENRY COOKSEY
Original Assignee
CHARLES HENRY COOKSEY
Filing date
Publication date
Application filed by CHARLES HENRY COOKSEY filed Critical CHARLES HENRY COOKSEY
Publication of GB815072A publication Critical patent/GB815072A/en
Expired legal-status Critical Current

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
    • B42D9/086—Leaf turners having radial arms, one per leaf, operated successively actuated by a spring for each arm
    • 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
    • B42D9/06—Leaf turners having an arm reset after each operation

Landscapes

  • Mechanical Control Devices (AREA)

Abstract

815,072. Leaf turners. COOKSEY, C. H. Feb. 15, 1957 [March 23, 1956], No. 9048/56. Class 52(3) A leaf- or pageturning mechanism comprises a support 6 on which are mounted first and second arms 8 and 19, the support being pivotally mounted so as to carry the arms towards and away from the page the first arm 8 having page-gripping means, a friction disc 9, which when the mechanism is actuated to grip a page causes the page to be bowed outwardly by movement of the first arm, the second arm 19 then entering the bow beneath the leaf and complete the page turning, the disc 9 being released to allow the page turning and the arms being restored to their original position when the mechanism is released. The arms 8, 19 are carried by plates 7, 17 pivoted to the support and joined by an adjustable link 22 having a lost motion connection with the plate 7. A lever 13 is acted upon by a Bowden wire 12 leading to a pedal or other actuating device and is connected by wire 15 to plate 7. A spring secured at one end to the support 6 slides on the wire 15 as shown. On moving the pedal the lever 13 is moved to the right as shown increasing the distance between the wire 15 and support 6 and causing the spring to tilt the support, and the arms 8, 19 towards the page. The remainder of the movement then follows.
GB904856A 1956-03-23 Improvements in or relating to leaf or page-turning mechanisms Expired GB815072A (en)

Publications (1)

Publication Number Publication Date
GB815072A true GB815072A (en) 1959-06-17

Family

ID=1629615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB904856A Expired GB815072A (en) 1956-03-23 Improvements in or relating to leaf or page-turning mechanisms

Country Status (1)

Country Link
GB (1) GB815072A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212479A (en) * 1987-11-24 1989-07-26 Su Chen Chou Device for turning over the page of a score or the like
CN106739623A (en) * 2016-11-30 2017-05-31 成都光谷云财务咨询有限公司 A kind of tax bill pendulum rod type automatic page-turning machine structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212479A (en) * 1987-11-24 1989-07-26 Su Chen Chou Device for turning over the page of a score or the like
CN106739623A (en) * 2016-11-30 2017-05-31 成都光谷云财务咨询有限公司 A kind of tax bill pendulum rod type automatic page-turning machine structure
CN106739623B (en) * 2016-11-30 2024-02-27 成都光谷云基建工程有限公司 Automatic page turning mechanism of pendulum rod for tax bill

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