CA215518A - Counterbalancing mechanism for sectional doors - Google Patents

Counterbalancing mechanism for sectional doors

Info

Publication number
CA215518A
CA215518A CA215518A CA215518DA CA215518A CA 215518 A CA215518 A CA 215518A CA 215518 A CA215518 A CA 215518A CA 215518D A CA215518D A CA 215518DA CA 215518 A CA215518 A CA 215518A
Authority
CA
Canada
Prior art keywords
counterbalancing mechanism
sectional doors
doors
counterbalancing
sectional
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
CA215518A
Other languages
French (fr)
Inventor
P. Haines Edward
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.)
J EDWARDS OGDEN CO
Original Assignee
J EDWARDS OGDEN CO
Publication date
Application granted granted Critical
Publication of CA215518A publication Critical patent/CA215518A/en
Expired legal-status Critical Current

Links

CA215518A Counterbalancing mechanism for sectional doors Expired CA215518A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA215518T

Publications (1)

Publication Number Publication Date
CA215518A true CA215518A (en) 1922-01-31

Family

ID=35109962

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215518A Expired CA215518A (en) Counterbalancing mechanism for sectional doors

Country Status (1)

Country Link
CA (1) CA215518A (en)

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