JPS61160435U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a spool chamber showing an embodiment of the present invention; FIG. 2 is a perspective view showing a film chamber and a sheet with a convex rail that also serves as scratch prevention;
FIG. 3 is a longitudinal sectional view of the spool chamber showing the sheet wound around the spool chamber, and FIG. 4 is a cross-sectional view of the spool chamber showing the spool chamber according to the present invention and the film in a loosely wound state. The top view, Figure 5, is a cross-sectional view of the conventional spool chamber and the spool chamber showing the state in which the film is wound into loose ends.
The figure is a longitudinal sectional view of the spool chamber showing the state shown in FIG. 5. 1: Spool body, 2: Spool chamber, 3: Peripheral surface of spool chamber, 4: Film, 5: Convex rail, 6: Sheet, 7: Convex rail portion.

Claims (1)

[Claims for Utility Model Registration] 1. A camera spool chamber, characterized in that a continuous protrusion is provided at a position on the circumferential surface of the camera spool chamber where the perforation portion of the film comes into contact. 2. The spool chamber for a camera according to claim 1, wherein the protrusion is a tape having an appropriate thickness that is adhered to the peripheral surface of the camera. 3. The camera spool chamber according to claim 1, wherein the protrusion is integrally molded with the peripheral surface of the camera spool chamber. 4. The camera spool chamber according to claim 1, wherein the protrusion is a sheet wrapped around the circumferential surface of the spool chamber.