Door and spring assembly for a paper feed mechanism

Details Door and spring assembly for a paper feed mechanism Door and spring assembly for a paper feed mechanism

B - Operations, Transporting

41

J

270/184

B41J 11/30 (2006.01) B41J 11/32 (2006.01) B65H 20/20 (2006.01) G03B 1/30 (2006.01)

Patent

CA 1311253

EN986039 ABSTRACT A feed mechanism for a printer having a door with hinge elements connected by hinge pins to the tractor body so as to be rotatable between first and second position. The hinge elements have rotary cams with convex and planar surfaces. A single flat steel spring is simply supported between its ends by a platform. The spring is held in flexed condition in a continuous bend by the platform and the cams of the hinge elements. The platform has coplanar support edges for simply supporting the spring. Alignment and centering means on the platform maintain the horizontal axis of the spring aligned with the common axis of the hinge pins and centered between the cams.

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