CH669085GA3 - straw hat sundial using shadow of drinking straw - indicates time of day when doffed hat is levelled and oriented with straw pointing to North - Google Patents

straw hat sundial using shadow of drinking straw - indicates time of day when doffed hat is levelled and oriented with straw pointing to North Download PDF

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Publication number
CH669085GA3
CH669085GA3 CH215687A CH215687A CH669085GA3 CH 669085G A3 CH669085G A3 CH 669085GA3 CH 215687 A CH215687 A CH 215687A CH 215687 A CH215687 A CH 215687A CH 669085G A3 CH669085G A3 CH 669085GA3
Authority
CH
Switzerland
Prior art keywords
straw
hat
crown
drinking
shadow
Prior art date
Application number
CH215687A
Other languages
German (de)
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 filed Critical
Priority to CH215687A priority Critical patent/CH669085GA3/en
Publication of CH669085GA3 publication Critical patent/CH669085GA3/en

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Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B1/00—Hats; Caps; Hoods
    • A42B1/24—Hats; Caps; Hoods with means for attaching articles thereto, e.g. memorandum tablets or mirrors
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B49/00—Time-pieces using the position of the sun, moon or stars
    • G04B49/02—Sundials

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Adornments (AREA)
  • Magnetic Treatment Devices (AREA)

Abstract

The horizontal sundial is constituted by the drinking straw (3) casting its shadow on the graduated falt crown (1) when the hat is removed and correctrly oriented with the aid of a magnetic compass (2) fitted to the centre of its crown. The straw (3) is pushed through two eyelets (4,5) in a vertical plane contg. the major axis of the crown. The angle between the straw (3) and the crown (1= corresponds to the geographical latitude (betA) of the site. The hours are marked by Roman numerals (e.g. III, IV, V, VI, VII) at the rim of the crown (1),. The straw (3) may be stowed within a loop (7) on the hatband when not required for orienting or drinking. Enother eyelet (6) neables the hat to be hung. The brim (8) may carry decoration or an appropriate motto.
CH215687A 1987-06-09 1987-06-09 straw hat sundial using shadow of drinking straw - indicates time of day when doffed hat is levelled and oriented with straw pointing to North CH669085GA3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH215687A CH669085GA3 (en) 1987-06-09 1987-06-09 straw hat sundial using shadow of drinking straw - indicates time of day when doffed hat is levelled and oriented with straw pointing to North

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH215687A CH669085GA3 (en) 1987-06-09 1987-06-09 straw hat sundial using shadow of drinking straw - indicates time of day when doffed hat is levelled and oriented with straw pointing to North

Publications (1)

Publication Number Publication Date
CH669085GA3 true CH669085GA3 (en) 1989-02-28

Family

ID=4227189

Family Applications (1)

Application Number Title Priority Date Filing Date
CH215687A CH669085GA3 (en) 1987-06-09 1987-06-09 straw hat sundial using shadow of drinking straw - indicates time of day when doffed hat is levelled and oriented with straw pointing to North

Country Status (1)

Country Link
CH (1) CH669085GA3 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH3268A (en) * 1891-03-12 1891-08-15 Johann Nadler Closure for soda water bottles and similar containers
US3829980A (en) * 1972-08-09 1974-08-20 E Iversen Sun dial plastic top or cap
FR2437023A1 (en) * 1978-09-21 1980-04-18 Roth Dominique Wrist-watch size portable sun-dial - has inbuilt compass and bubble level

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH3268A (en) * 1891-03-12 1891-08-15 Johann Nadler Closure for soda water bottles and similar containers
US3829980A (en) * 1972-08-09 1974-08-20 E Iversen Sun dial plastic top or cap
FR2437023A1 (en) * 1978-09-21 1980-04-18 Roth Dominique Wrist-watch size portable sun-dial - has inbuilt compass and bubble level

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