GB520864A - Improvements in or relating to map holders - Google Patents

Improvements in or relating to map holders

Info

Publication number
GB520864A
GB520864A GB3175238A GB3175238A GB520864A GB 520864 A GB520864 A GB 520864A GB 3175238 A GB3175238 A GB 3175238A GB 3175238 A GB3175238 A GB 3175238A GB 520864 A GB520864 A GB 520864A
Authority
GB
United Kingdom
Prior art keywords
knobs
map
shaft
spool
worm
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
GB3175238A
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.)
British Airways PLC
Original Assignee
British Airways PLC
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 British Airways PLC filed Critical British Airways PLC
Priority to GB3175238A priority Critical patent/GB520864A/en
Publication of GB520864A publication Critical patent/GB520864A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/06—Maps; Plans; Charts; Diagrams, e.g. route diagram of belt form, e.g. endless belt

Abstract

520,864. Map holders; protractors. BRITISH AIRWAYS, Ltd., and McMILLAN, A. R. O. Nov. 2, 1938, No. 31752. [Class 146 (ii)] [Also in Group XX] A holder for a strip map consists of a box receptacle 1 having a window 7 and a protractor mechanism, with variable basic position. The map is wound on a spool with knobs 5 and at its end is coupled, as by a slot 6, to a winding- spool 2 with knobs 4. The case is in two parts hinged at 19 and has a hinged drawer 25 carrying a time-piece embedded in sponge rubber. The case also carries a pencil 20, indiarubber 21 and a stamp 22 with inking-pad 23. A protractor arm 16 has a knob 17 and a worm-wheel 15 engaging a worm 14 sliding on a cruciform shaft 13 coupled by bevel wheels 12 to a shaft 10 having knobs 11. Shaft 10 is threaded through a sleeve 9 having an angulation scale 8 visible through a window 18. Specification 520,865 is referred to.
GB3175238A 1938-11-02 1938-11-02 Improvements in or relating to map holders Expired GB520864A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3175238A GB520864A (en) 1938-11-02 1938-11-02 Improvements in or relating to map holders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3175238A GB520864A (en) 1938-11-02 1938-11-02 Improvements in or relating to map holders

Publications (1)

Publication Number Publication Date
GB520864A true GB520864A (en) 1940-05-06

Family

ID=10327859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3175238A Expired GB520864A (en) 1938-11-02 1938-11-02 Improvements in or relating to map holders

Country Status (1)

Country Link
GB (1) GB520864A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485802A (en) * 1946-04-03 1949-10-25 George R Asachika Combination utility case and roll book

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485802A (en) * 1946-04-03 1949-10-25 George R Asachika Combination utility case and roll book

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