Roll film cassette

Details Roll film cassette Roll film cassette

1977-03-09

1978-01-31

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

G03B 104

Patent

active

040712028

ABSTRACT:
A roll film cassette has a tubular wall provided with an axially extending film slot. At least one open axial end of the tubular wall is provided with an axially projecting rib. A cover for this open end is formed with an annular recess in which the rib is receivable to form with the cover a labyrinth-type light seal; the recess is interrupted at one location by a projection which enters into the film slot when the cover is in position closing the open end.

REFERENCES:
patent: 1794426 (1931-03-01), Taylor
patent: 2019672 (1935-11-01), Goodhond
patent: 2072625 (1937-03-01), Rose
patent: 2172255 (1939-09-01), Nagel

Affiliated with

Also associated with

Rating

Roll film cassette does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Roll film cassette, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Roll film cassette will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2074044