FR974725A - Device ensuring constant and automatic chain tension according to the engaged sprocket, in gear changes by chain derailment for bicycles, tandems and similar vehicles - Google Patents

Device ensuring constant and automatic chain tension according to the engaged sprocket, in gear changes by chain derailment for bicycles, tandems and similar vehicles

Info

Publication number
FR974725A
FR974725A FR974725DA FR974725A FR 974725 A FR974725 A FR 974725A FR 974725D A FR974725D A FR 974725DA FR 974725 A FR974725 A FR 974725A
Authority
FR
France
Prior art keywords
chain
tandems
bicycles
gear changes
similar vehicles
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
Other languages
French (fr)
Inventor
Jean Maurin
Angelo Verzeletti
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
Application granted granted Critical
Publication of FR974725A publication Critical patent/FR974725A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/16—Tensioning or adjusting equipment for chains, belts or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR974725D 1948-11-06 1948-11-06 Device ensuring constant and automatic chain tension according to the engaged sprocket, in gear changes by chain derailment for bicycles, tandems and similar vehicles Expired FR974725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR974725T 1948-11-06

Publications (1)

Publication Number Publication Date
FR974725A true FR974725A (en) 1951-02-26

Family

ID=9517648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR974725D Expired FR974725A (en) 1948-11-06 1948-11-06 Device ensuring constant and automatic chain tension according to the engaged sprocket, in gear changes by chain derailment for bicycles, tandems and similar vehicles

Country Status (1)

Country Link
FR (1) FR974725A (en)

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