Rotary Crank Or Eccentric Drive Patents (Class 74/116)
Adjustable (Class 74/117)
Lever transmitter (Class 74/118)
Rack and pinion transmitter (Class 74/120)
Rotary cam drive (Class 74/122)
  • Rotary perforating apparatus
    Patent number: 3943810
    Abstract: A rotary perforating apparatus for forming the guide perforations in photographic film, wherein the mechanism which controls the movements of the punch carrier arms comprises a control disc which rotates eccentrically with respect to a film-supporting wheel, and wherein the punch carrier arms are connected to said control disc through control arms which may perform a spacial swinging movement, thereby to provide a mechanism which is little subject to wear, and wherein standard ball bearings and ball joints may be used.
    Type: Grant
    Filed: August 2, 1974
    Date of Patent: March 16, 1976
    Assignee: AGFA-GEVAERT N.V.
    Inventor: Wilfried Edgard Muylle
  • Laminated drive arms for speed reducer
    Patent number: 3930416
    Abstract: Drive arm of a speed reducer is provided with an aperture capable of carrying a various number of clutch means. Removable separates are provided between the arms having apertures corresponding at least in part with the arm apertures, thus, different sized clutches can be employed depending on the amount of torque to be transferred.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: January 6, 1976
    Assignee: Dahltron Corporation
    Inventor: Arvid Dahlstrom