CA920677A - Elevator door operator with differential torque motor system - Google Patents

Elevator door operator with differential torque motor system

Info

Publication number
CA920677A
CA920677A CA115816A CA115816A CA920677A CA 920677 A CA920677 A CA 920677A CA 115816 A CA115816 A CA 115816A CA 115816 A CA115816 A CA 115816A CA 920677 A CA920677 A CA 920677A
Authority
CA
Canada
Prior art keywords
elevator door
motor system
torque motor
door operator
differential torque
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
CA115816A
Other versions
CA115816S (en
Inventor
J. Holuba Henry
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.)
Montgomery Elevator Co
Original Assignee
Montgomery Elevator 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 Montgomery Elevator Co filed Critical Montgomery Elevator Co
Priority to CA115816A priority Critical patent/CA920677A/en
Application granted granted Critical
Publication of CA920677A publication Critical patent/CA920677A/en
Expired legal-status Critical Current

Links

CA115816A 1971-06-16 1971-06-16 Elevator door operator with differential torque motor system Expired CA920677A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA115816A CA920677A (en) 1971-06-16 1971-06-16 Elevator door operator with differential torque motor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA115816A CA920677A (en) 1971-06-16 1971-06-16 Elevator door operator with differential torque motor system

Publications (1)

Publication Number Publication Date
CA920677A true CA920677A (en) 1973-02-06

Family

ID=4090027

Family Applications (1)

Application Number Title Priority Date Filing Date
CA115816A Expired CA920677A (en) 1971-06-16 1971-06-16 Elevator door operator with differential torque motor system

Country Status (1)

Country Link
CA (1) CA920677A (en)

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