Film transport for a motion picture camera
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 6, 1993
Grant Date -
N/A
app pub date -
Apr 19, 1991
filing date -
Oct 21, 1988
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Film transport for a motion picture camera with a claw 2, of which at least one claw tip 21, 22 advances the film to be transported, provided with perforations on one edge 10, stepwise past a gate, and a transport drive which comprises a working arm 5 connected with the middle segment 20 of claw 2 with articulation, said arm being connected by a claw crank pivot 12 with a crank arm 4 and moving claw 2 in such fashion that claw tips 21, 22 traverse an elongated closed curve which at one end enters the film plane and at the other end leaves it again, with crank arm 4 being coupled by a control arm 6 with a fixed bearing 14 of an oscillation crank 7, said crank being connected end segment 23 of claw 2 with articulation.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- G03B Class
- 7.19 % this patent is cited more than
- 32 Age