FR511877A - Gear changing device for lifting or other devices, driven electrically - Google Patents

Gear changing device for lifting or other devices, driven electrically

Info

Publication number
FR511877A
FR511877A FR511877A FR511877DA FR511877A FR 511877 A FR511877 A FR 511877A FR 511877 A FR511877 A FR 511877A FR 511877D A FR511877D A FR 511877DA FR 511877 A FR511877 A FR 511877A
Authority
FR
France
Prior art keywords
lifting
devices
changing device
gear changing
driven electrically
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
FR511877A
Other languages
French (fr)
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.)
OTIS PIFRE ATELIERS SA
Original Assignee
OTIS PIFRE ATELIERS SA
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 OTIS PIFRE ATELIERS SA filed Critical OTIS PIFRE ATELIERS SA
Application granted granted Critical
Publication of FR511877A publication Critical patent/FR511877A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0453—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with planetary or epicycloidal gear, e.g. differential gear

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR511877A 1919-06-17 1919-06-17 Gear changing device for lifting or other devices, driven electrically Expired FR511877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR511877T 1919-06-17

Publications (1)

Publication Number Publication Date
FR511877A true FR511877A (en) 1921-01-06

Family

ID=8912611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR511877A Expired FR511877A (en) 1919-06-17 1919-06-17 Gear changing device for lifting or other devices, driven electrically

Country Status (1)

Country Link
FR (1) FR511877A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451457A (en) * 1940-09-16 1948-10-12 Shepherd Judson O'd Traffic signal control system
WO2000050330A1 (en) * 1999-02-25 2000-08-31 Zf Friedrichshafen Ag Drive for a lifting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451457A (en) * 1940-09-16 1948-10-12 Shepherd Judson O'd Traffic signal control system
WO2000050330A1 (en) * 1999-02-25 2000-08-31 Zf Friedrichshafen Ag Drive for a lifting device

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