Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Motion picture film advancement apparatus with vibration reduction










Image Number 5 for United States Patent #5593078.

A rotary film advancement apparatus for use in a motion picture camera or projector which uses film having pairs of evenly spaced perforations located near the edges of the film having a steering channel which defines a closed loop path having a pre-selected contour. A rotor is mounted on the stator and rotates at a selected angular velocity in a given direction of rotation about a rotor axis which extends through the interior of the closed loop contour. At least one claw is pivotally mounted to the rotor about a pivot axis which is radially spaced from the rotor axis and has a claw tip dimensioned to engage a film perforation. The claw tip rotates with the rotor at a claw tip rotational speed. A steering pin spaced from the claw tip and the pivot axis follows the path of the steering channel thereby pivoting the claw tip both forwardly and backwardly, and inwardly and outwardly.








 
 
  Recently Added Patents
Modular storage system
Luminaire
One-dimensional metal nanostructures
Gemstone
Mobile communication method, mobile station, and network device
Computer network running a distributed application
Method and apparatus for providing seamless call handoff between networks that use dissimilar transmission methods
  Randomly Featured Patents
Current detection printed board, voltage detection printed board, current/voltage detection printed board, current/voltage detector, current detector and voltage detector
Sheet stacking and aligning apparatus
Device for topical treatment of acne and its method of manufacture
Distance measurement instrument
Polyether dihydroxyalkyl carbamate epoxy additive for epoxy resins
Stabilized primate lentivirus envelope glycoproteins
Anchoring device
Vascular endothelial growth factor fusion constructs used to inhibit osteoclastogenesis
Network for setting up connections between nodes
Device for generating electromagnetic waves, method for operating a device of this type and method for modulating the electromagnetic waves to be generated using a device of this type in accor