CH72542A - Drive device with variable transmission ratio - Google Patents

Drive device with variable transmission ratio

Info

Publication number
CH72542A
CH72542A CH72542A CH72542DA CH72542A CH 72542 A CH72542 A CH 72542A CH 72542 A CH72542 A CH 72542A CH 72542D A CH72542D A CH 72542DA CH 72542 A CH72542 A CH 72542A
Authority
CH
Switzerland
Prior art keywords
drive device
variable transmission
transmission ratio
ratio
variable
Prior art date
Application number
CH72542A
Other languages
German (de)
Inventor
Oskar Bertea
Original Assignee
Oskar Bertea
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 Oskar Bertea filed Critical Oskar Bertea
Publication of CH72542A publication Critical patent/CH72542A/en

Links

CH72542A 1915-09-28 1915-09-28 Drive device with variable transmission ratio CH72542A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH72542T 1915-09-28

Publications (1)

Publication Number Publication Date
CH72542A true CH72542A (en) 1916-06-02

Family

ID=4322247

Family Applications (1)

Application Number Title Priority Date Filing Date
CH72542A CH72542A (en) 1915-09-28 1915-09-28 Drive device with variable transmission ratio

Country Status (1)

Country Link
CH (1) CH72542A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454991A (en) * 1945-08-17 1948-11-30 Cooke Grady Carlyle Variable-speed transmission
US2476353A (en) * 1944-04-01 1949-07-19 Fred Horace Coles Infinitely variable speed gear
US2577913A (en) * 1949-05-13 1951-12-11 Alf A Peterson Variable-speed drive and clutch
US2637215A (en) * 1947-07-10 1953-05-05 John D Rieser Adjustable speed transmission
US2648987A (en) * 1949-01-11 1953-08-18 George W Curtis Variable-speed v-belt transmission
US3837234A (en) * 1973-05-21 1974-09-24 Wu S Bicycle with stepless transmission

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476353A (en) * 1944-04-01 1949-07-19 Fred Horace Coles Infinitely variable speed gear
US2454991A (en) * 1945-08-17 1948-11-30 Cooke Grady Carlyle Variable-speed transmission
US2637215A (en) * 1947-07-10 1953-05-05 John D Rieser Adjustable speed transmission
US2648987A (en) * 1949-01-11 1953-08-18 George W Curtis Variable-speed v-belt transmission
US2577913A (en) * 1949-05-13 1951-12-11 Alf A Peterson Variable-speed drive and clutch
US3837234A (en) * 1973-05-21 1974-09-24 Wu S Bicycle with stepless transmission

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