FR678212A - Improvements to control systems for elevators, hoists and other similar machines - Google Patents

Improvements to control systems for elevators, hoists and other similar machines

Info

Publication number
FR678212A
FR678212A FR678212DA FR678212A FR 678212 A FR678212 A FR 678212A FR 678212D A FR678212D A FR 678212DA FR 678212 A FR678212 A FR 678212A
Authority
FR
France
Prior art keywords
hoists
elevators
control systems
similar machines
machines
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)
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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR678212A publication Critical patent/FR678212A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/50—Adaptations of switches or switchgear with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR678212D 1928-07-11 1929-07-09 Improvements to control systems for elevators, hoists and other similar machines Expired FR678212A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US678212XA 1928-07-11 1928-07-11

Publications (1)

Publication Number Publication Date
FR678212A true FR678212A (en) 1930-03-20

Family

ID=22078632

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678212D Expired FR678212A (en) 1928-07-11 1929-07-09 Improvements to control systems for elevators, hoists and other similar machines

Country Status (1)

Country Link
FR (1) FR678212A (en)

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