GB233266A - Improvements in or relating to perpetual date indicators - Google Patents

Improvements in or relating to perpetual date indicators

Info

Publication number
GB233266A
GB233266A GB2934224A GB2934224A GB233266A GB 233266 A GB233266 A GB 233266A GB 2934224 A GB2934224 A GB 2934224A GB 2934224 A GB2934224 A GB 2934224A GB 233266 A GB233266 A GB 233266A
Authority
GB
United Kingdom
Prior art keywords
names
aperture
day
plate
date
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
GB2934224A
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB2934224A priority Critical patent/GB233266A/en
Publication of GB233266A publication Critical patent/GB233266A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09D—RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS
    • G09D3/00—Perpetual calendars
    • G09D3/04—Perpetual calendars wherein members bearing the indicia are movably mounted in the calendar
    • G09D3/10—Perpetual calendars wherein members bearing the indicia are movably mounted in the calendar with members in band form

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Drawing Aids And Blackboards (AREA)

Abstract

233,266. Jakobsen, J. Dec. 6, 1924. Date indicators.- A perpetual date indicator comprises a band 2 mounted on rollers 3, 4 and having the dates for a vear and the names of the days of the week repeated continuously in two parallel columns on the same face, one date only being visible through an aperture 6 in a plate 5. An aperture 7 in the plate 5 sufficiently long to expose seven day-names has guides 8 for six covering-plates 9 which may be adjusted so as to show any one day-name only. Instead of separates plates 9 a rolling shutter having an aperture may be used to cover six of the daynames. In a modification the aperture 7 exposes four day-names only, and two apertures for the dates are provided, separated by a distance equal to the distance between three day-names, either one of these apertures being used whiles the other is closed by a plate.
GB2934224A 1924-12-06 1924-12-06 Improvements in or relating to perpetual date indicators Expired GB233266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2934224A GB233266A (en) 1924-12-06 1924-12-06 Improvements in or relating to perpetual date indicators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2934224A GB233266A (en) 1924-12-06 1924-12-06 Improvements in or relating to perpetual date indicators

Publications (1)

Publication Number Publication Date
GB233266A true GB233266A (en) 1925-05-07

Family

ID=10290025

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2934224A Expired GB233266A (en) 1924-12-06 1924-12-06 Improvements in or relating to perpetual date indicators

Country Status (1)

Country Link
GB (1) GB233266A (en)

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