CH621A - Improvements in large springs for watches, clocks and other similar instruments - Google Patents

Improvements in large springs for watches, clocks and other similar instruments

Info

Publication number: CH621A
Authority: CH; Switzerland
Prior art keywords: watches; clocks; similar instruments; large springs; springs
Prior art date: 1889-03-18

Application number

CH621A

Other languages

French (fr)

Inventor

Ernest Karthaus

Original Assignee

Ernest Karthaus

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.)

1889-03-18

Filing date

1889-03-18

Publication date

1889-05-28

1889-03-18 Application filed by Ernest Karthaus filed Critical Ernest Karthaus

1889-05-28 Publication of CH621A publication Critical patent/CH621A/en

Links

Classifications

- 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
- G04B1/00—Driving mechanisms
- G04B1/10—Driving mechanisms with mainspring
- G04B1/18—Constructions for connecting the ends of the mainsprings with the barrel or the arbor
- G04B1/185—Friction clutch between spring and spring cylinder

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)

CH621A 1889-03-18 1889-03-18 Improvements in large springs for watches, clocks and other similar instruments CH621A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH621T		1889-03-18

Publications (1)

Publication Number	Publication Date
CH621A true CH621A (en)	1889-05-28

Family

ID=4178433

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH621A CH621A (en)	1889-03-18	1889-03-18	Improvements in large springs for watches, clocks and other similar instruments

Country Status (1)

Country	Link
CH (1)	CH621A (en)

1889
- 1889-03-18 CH CH621A patent/CH621A/en unknown

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