Impression roller assembly including an ejector roller
OwnerRay L. Bannister, Frederick C. Close +1inventors
InventorsRay L. Bannister, Frederick C. Close, Peter J. Loeber
Life of this patent
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Abstract
An impression roller assembly including an ejector roller for a postage meter or like machine includes a first member pivotable about a substantially horizontal axis, an impression roller carried at or towards the free end of the first member, a second member pivotable relative to the first member about an axis co-incident with the rotation axis of the first impression roller, an ejector roller mounted at or towards the free end of the second member, and means for driving the ejector roller. In use, rotation of the impression roller by the drive of the machine directly or indirectly causes rotation of an ejector roller.
Claims14
An impression roller assembly, for use in a machine capable of ejecting relatively flat articles after a treatment operation, the assembly comprising means mounting a first roller for rotation about a first axis, means mounting a second roller having a surface in the shape of a curved surface of a cylinder and said surface being capable of applying a linear force by friction to eject said flat articles, means mounting said second roller for arcuate movement in an arc of a circle whose centre is colinear with said first axis, drive means for causing said first roller to rotate, and transmission means arranged to effect rotation of the second roller in response to rotation of said first foller.
An impression roller assembly for use in a machine where it is desired to eject relatively flat articles after printing, stamping or franking has been applied to them, the assembly including a first member pivotable about a substantially horizontal axis, an impression roller carried at or towards the free end of the first member, a second member pivotable relative to the first member about an axis co-incident with the rotation axis of the impression roller, an ejector roller mounted at or towards the free end of the seond member, and means for driving the ejector roller.
An impression roller assembly for a postage meter, said postage meter including a print drum (12), an impression roller (10) disposed opposite the print drum to define a nip therebetween to receive an envelope, and an ejection roller (44) disposed downstream from the nip, said ejection roller 44 being mounted on bracket 18 and resiliently biased about an axis parallel to the axis of said print drum, said impression roller assembly comprising:
- means for mounting the impression roller (10) so as to alternately grip and release an envelope in the nip;
- and
- means for receiving and storing a driving force within the ejection roller (44) when the ejection roller is frictionally restrained from rotation by an envelope which is gripped in the nip by the impression roller and is acting upon the ejection roller;
- wherein the stored driving force within the ejection roller is released to drive the envelope further downstream when the envelope is released from the nip by a pivotal movement of the impression roller away from the print drum.
An impression roller assembly for a postage meter, said postage meter including a print drum (12), an impression roller (10) disposed opposite the print drum to define a nip therebetween to receive an envelope, and an ejection roller (44) disposed downstream from the nip, said ejection roller 44 being mounted on bracket 18 and resiliently biased about an axis parallel to the axis of said print drum, said impression roller assembly comprising:
- means for mounting the impression roller (10) so as to alternately grip and release an envelope in the nip;
- and
- means for receiving and storing a driving force within the ejection roller (44) when the ejection roller is frictionally restrained from rotation by an envelope which is gripped in the nip by the impression roller and is acting upon the ejection roller;
- wherein the stored driving force within the ejection roller is released to drive the envelope further downstream when the envelope is released from the nip by a pivotal movement of the impression roller away from the print drum;
- and
- wherein the means for mounting the impression roller comprises:
- a first member pivotable about a first axis, carrying the impression roller at a free end thereof, and biased by a spring so that the impression roller is urged towards the print drum;
- and
- a second member pivotable relative to the first member about an axis coincident with the rotation axis of the impression roller, carrying the ejection roller, and biased by a spring so that the ejection roller is urged towards an envelope moving downstream from the nip.
Dependencies are inferred from the claim text.