CA849334A - Revolving door operating mechanism and speed controller - Google Patents

Revolving door operating mechanism and speed controller

Info

Publication number
CA849334A
CA849334A CA849334DA CA849334A CA 849334 A CA849334 A CA 849334A CA 849334D A CA849334D A CA 849334DA CA 849334 A CA849334 A CA 849334A
Authority
CA
Canada
Prior art keywords
operating mechanism
speed controller
revolving door
door operating
revolving
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
Inventor
E. Sheckells Amuel
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.)
International Steel Co
Original Assignee
International Steel Co
Publication date
Application granted granted Critical
Publication of CA849334A publication Critical patent/CA849334A/en
Expired legal-status Critical Current

Links

CA849334D Revolving door operating mechanism and speed controller Expired CA849334A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA849334T

Publications (1)

Publication Number Publication Date
CA849334A true CA849334A (en) 1970-08-18

Family

ID=36333532

Family Applications (1)

Application Number Title Priority Date Filing Date
CA849334D Expired CA849334A (en) Revolving door operating mechanism and speed controller

Country Status (1)

Country Link
CA (1) CA849334A (en)

Similar Documents

Publication Publication Date Title
CA973211A (en) Revolving door operating and speed control mechanism
CA939108A (en) Door pivot device
CA929033A (en) Hopper door operating mechanism
CA967811A (en) Motor driven operating mechanism for revolving doors
CA939412A (en) Door control mechanism
CA928343A (en) Apparatus for operating swing doors
CA928150A (en) Revolving door
CA994607A (en) Revolving door and swing doors
CA940167A (en) Laterally movable door and operating mechanism therefor
CA947575A (en) Sliding door
CA849334A (en) Revolving door operating mechanism and speed controller
CA884108A (en) Revolving door operating mechanism and speed controller
CA894567A (en) Revolving door operating mechanism and speed controller
CA869280A (en) Speed control for revolving door
CA997793A (en) Revolving door operating and speed control mechanism
CA772911A (en) Revolving door operating mechanism and speed controller
CA835789A (en) Door operating means
CA885434A (en) Leveler door and operating mechanism
CA882365A (en) Control system for revolving door
CA857175A (en) Slide-glide-plug door mechanism
CA847742A (en) Boxcar door control
CA848150A (en) Variable speed drive mechanism
CA878086A (en) Door operating mechanisms
CA818288A (en) Door operating mechanism
CA846399A (en) Elevator door control