CA772911A - Revolving door operating mechanism and speed controller - Google Patents

Revolving door operating mechanism and speed controller

Info

Publication number
CA772911A
CA772911A CA772911DA CA772911A CA 772911 A CA772911 A CA 772911A CA 772911D A CA772911D A CA 772911DA CA 772911 A CA772911 A CA 772911A
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 CA772911A publication Critical patent/CA772911A/en
Expired legal-status Critical Current

Links

CA772911D Revolving door operating mechanism and speed controller Expired CA772911A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA772911T

Publications (1)

Publication Number Publication Date
CA772911A true CA772911A (en) 1967-12-05

Family

ID=36220190

Family Applications (1)

Application Number Title Priority Date Filing Date
CA772911D Expired CA772911A (en) Revolving door operating mechanism and speed controller

Country Status (1)

Country Link
CA (1) CA772911A (en)

Similar Documents

Publication Publication Date Title
CA973211A (en) Revolving door operating and speed control mechanism
CA939412A (en) Door control mechanism
CA923154A (en) Door control unit
CA772911A (en) Revolving door operating mechanism and speed controller
CA750211A (en) Revolving door speed control device
CA869280A (en) Speed control for revolving door
CA849334A (en) Revolving door operating mechanism and speed controller
CA769344A (en) Door stop
CA884108A (en) Revolving door operating mechanism and speed controller
CA894567A (en) Revolving door operating mechanism and speed controller
CA754291A (en) Door pivots
CA720164A (en) High speed automatic rotary drive and control mechanism
CA688053A (en) Revolving door pushbar circuit controller
CA714958A (en) Door operating mechanism
CA997793A (en) Revolving door operating and speed control mechanism
CA791575A (en) Door control mechanism
CA755896A (en) Speed control mechanism
CA818288A (en) Door operating mechanism
CA708742A (en) Door control mechanism
AU404837B2 (en) Improvements in door operating apparatus
AU721666A (en) Improved garage or like door resease mechanism
CA730878A (en) Door control mechanism
CA735143A (en) Door control mechanism
CA723046A (en) Door operating device
AU418311B2 (en) Door operating mechanism