CA1025831A - Friction drive device for motion-picture projectors - Google Patents

Friction drive device for motion-picture projectors

Info

Publication number
CA1025831A
CA1025831A CA231,886A CA231886A CA1025831A CA 1025831 A CA1025831 A CA 1025831A CA 231886 A CA231886 A CA 231886A CA 1025831 A CA1025831 A CA 1025831A
Authority
CA
Canada
Prior art keywords
motion
drive device
friction drive
picture projectors
projectors
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
CA231,886A
Other languages
French (fr)
Inventor
Roberto Bencini
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA231,886A priority Critical patent/CA1025831A/en
Application granted granted Critical
Publication of CA1025831A publication Critical patent/CA1025831A/en
Expired legal-status Critical Current

Links

CA231,886A 1975-07-21 1975-07-21 Friction drive device for motion-picture projectors Expired CA1025831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA231,886A CA1025831A (en) 1975-07-21 1975-07-21 Friction drive device for motion-picture projectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA231,886A CA1025831A (en) 1975-07-21 1975-07-21 Friction drive device for motion-picture projectors

Publications (1)

Publication Number Publication Date
CA1025831A true CA1025831A (en) 1978-02-07

Family

ID=4103661

Family Applications (1)

Application Number Title Priority Date Filing Date
CA231,886A Expired CA1025831A (en) 1975-07-21 1975-07-21 Friction drive device for motion-picture projectors

Country Status (1)

Country Link
CA (1) CA1025831A (en)

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