CA218725A - Safety mechanism for elevator shaft doors - Google Patents

Safety mechanism for elevator shaft doors

Info

Publication number
CA218725A
CA218725A CA218725A CA218725DA CA218725A CA 218725 A CA218725 A CA 218725A CA 218725 A CA218725 A CA 218725A CA 218725D A CA218725D A CA 218725DA CA 218725 A CA218725 A CA 218725A
Authority
CA
Canada
Prior art keywords
elevator shaft
safety mechanism
shaft doors
doors
safety
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
CA218725A
Other languages
French (fr)
Inventor
John Rosentreter Albert
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.)
FRANK E HUTCHINS
Original Assignee
FRANK E HUTCHINS
Publication date
Application granted granted Critical
Publication of CA218725A publication Critical patent/CA218725A/en
Expired legal-status Critical Current

Links

CA218725A Safety mechanism for elevator shaft doors Expired CA218725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA218725T

Publications (1)

Publication Number Publication Date
CA218725A true CA218725A (en) 1922-05-16

Family

ID=35113169

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218725A Expired CA218725A (en) Safety mechanism for elevator shaft doors

Country Status (1)

Country Link
CA (1) CA218725A (en)

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