Geoffry H Williamson from Los Angeles, CA

Wide Film Transport And Register Movement
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US Patent:

45346305, Aug 13, 1985
Filed:

Jan 31, 1984
Appl. No.:

6/575446
Inventors:

Geoffry H. Williamson - Los Angeles CA
Assignee:

Imax Systems Corporation - Toronto
International Classification:

G03B 122
US Classification:

352194
Abstract:

A transport and register movement for motion picture cameras and projectors and having spaced transport arms with cam operated claw pins and a crank shaft and transmission between the arms to oscillate the same and with a laterally offset drive shaft and cam operated register pins and a crank pin oscillating a counterbalance in opposition to motion of the arms.

High Speed Transport For Large Film Formats
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US Patent:

48969605, Jan 30, 1990
Filed:

Oct 13, 1988
Appl. No.:

7/257099
Inventors:

Geoffry H. Williamson - Yucaipa CA
International Classification:

G03B 122
US Classification:

352193
Abstract:

A transport and register movement for high speed motion picture cameras and projectors and having an oscillation axis about which a claw arm oscillates and shiftably carries a claw pin carrier that reciprocates radially from said oscillation axis, including crank and connecting rod drives for separately oscillating and reciprocating motions of the claw arm and claw pin carrier, and coordinated with register pin motion.

Geoffry H Williamson