Film feed apparatus

Details Film feed apparatus Film feed apparatus

1973-08-23

1976-12-14

Hayes, Monroe H.

Optics: motion pictures

Camera and/or projector drive mechanisms

With film engaging claws reciprocally driven to engage film

74605, G03B 122

Patent

active

039972542

ABSTRACT:
A lubrication unit is provided for lubricating drive and driven members used in a film apparatus which continuously feeds a film in a small size motion picture camera, a motion picture projector, a still camera incorporating a motor drive or the like. The unit includes lubrication means for lubricating engaging parts of a drive member that is rotatively driven and a driven member which is held in engagement with the drive member when the drive member is driven at a high speed. The lubrication means includes a lubricant storage in either a drive member or driven member, the lubricant storage communicating with the engaging surfaces of the drive and driven members to supply a controlled amount of lubricant thereto under the influence of the centrifugal force that is developed upon rotation of either drive or driven member.

REFERENCES:
patent: 767877 (1904-08-01), Fleming
patent: 1378910 (1921-05-01), Smith
patent: 1590493 (1926-06-01), Bohmker
patent: 3454334 (1969-07-01), Campbell
patent: 3556648 (1971-01-01), Nozawa

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