CA884108A - Revolving door operating mechanism and speed controller - Google Patents

Revolving door operating mechanism and speed controller

Info

Publication number
CA884108A
CA884108A CA884108DA CA884108A CA 884108 A CA884108 A CA 884108A CA 884108D A CA884108D A CA 884108DA CA 884108 A CA884108 A CA 884108A
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 CA884108A publication Critical patent/CA884108A/en
Expired legal-status Critical Current

Links

CA884108D Revolving door operating mechanism and speed controller Expired CA884108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA884108T

Publications (1)

Publication Number Publication Date
CA884108A true CA884108A (en) 1971-10-26

Family

ID=36390444

Family Applications (1)

Application Number Title Priority Date Filing Date
CA884108D Expired CA884108A (en) Revolving door operating mechanism and speed controller

Country Status (1)

Country Link
CA (1) CA884108A (en)

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