FR514673A - Differential device with single, variable or multiple speed change, for vehicles controlled by hand or mechanically - Google Patents

Differential device with single, variable or multiple speed change, for vehicles controlled by hand or mechanically

Info

Publication number
FR514673A
FR514673A FR514673A FR514673DA FR514673A FR 514673 A FR514673 A FR 514673A FR 514673 A FR514673 A FR 514673A FR 514673D A FR514673D A FR 514673DA FR 514673 A FR514673 A FR 514673A
Authority
FR
France
Prior art keywords
mechanically
variable
hand
speed change
differential device
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
FR514673A
Other languages
French (fr)
Inventor
Arnold Ramsden Garnett
Stanley Orton Needham
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.)
ARNOLD RAMSDEN GARNETT
Original Assignee
ARNOLD RAMSDEN GARNETT
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 ARNOLD RAMSDEN GARNETT filed Critical ARNOLD RAMSDEN GARNETT
Application granted granted Critical
Publication of FR514673A publication Critical patent/FR514673A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • A61G5/021—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms
    • A61G5/023—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms acting directly on hubs or axis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • A61G5/024—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular operating means
    • A61G5/026—Cranks or hand wheels
    • 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
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/14—Rider propulsion of wheeled vehicles operated exclusively by hand power
    • 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
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/06—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR514673A 1919-04-30 1920-04-28 Differential device with single, variable or multiple speed change, for vehicles controlled by hand or mechanically Expired FR514673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB514673X 1919-04-30

Publications (1)

Publication Number Publication Date
FR514673A true FR514673A (en) 1921-03-16

Family

ID=10460132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR514673A Expired FR514673A (en) 1919-04-30 1920-04-28 Differential device with single, variable or multiple speed change, for vehicles controlled by hand or mechanically

Country Status (1)

Country Link
FR (1) FR514673A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985002155A1 (en) * 1983-11-09 1985-05-23 Sanitätshaus Heinrich Oesterreich Gmbh Transmission hub with free wheeling, particularly for wheel chairs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985002155A1 (en) * 1983-11-09 1985-05-23 Sanitätshaus Heinrich Oesterreich Gmbh Transmission hub with free wheeling, particularly for wheel chairs
US4727965A (en) * 1983-11-09 1988-03-01 Sanitatshaus Heinrich Oesterreich Gmbh Geared hub with freewheel, especially for wheel-chairs

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