Apparatus for printing a strip
OwnerWilfried Kramerinventor
Life of this patent
Estimating the term…
Abstract
The invention relates to an apparatus for printing stamps, which are cut from a strip (2) drawn from a roll (1). The apparatus has an adjustable printer and a common drive for the non-jerky advance of the strip and for operating a cutting mechanism. An eccentrically mounted, reciprocating clutch (17) is provided for the advance and engages with a strip-diving roller (56) operates the cutting mechanism and is connected to a movable blade (22) thereof. The pawl is eccentrically fixed to a rotary driven disk (18), which also carriers a cam (58) for controlling the lever. The printer has adjustable type wheels (24), which are rotatable by a common shaft (31) via friction clutches and for each type wheel there is an independently controllable pawl (33) for arresting the type wheel in a predetermined position.
Claims14
An apparatus for printing a strip, comprising:
- (a) a roller having two end faces;
- (b) a printer which is adjustable to print a plurality of different imprints;
- (c) a cutting mechanism comprising a moveable blade;
- and
- (d) a common drive mechanism for both operating the cutting mechanism and advancing the strip, the drive mechanism comprising:
- (1) a rotatable motive disk having an eccentrically mounted cam surface thereon for controlling the cutting mechanism;
- (2) a drive pawl mounted eccentrically on the motive disk to allow for reciprocal motion thereof, the drive pawl being engageable with the roller for stepwise rotation of the roller to advance the strip;
- and
- (3) a cam-controlled lever and a rod which is operatively connected to said lever, said lever being mounted for pivotal movement thereof and said rod being mounted for slidable movement thereof, said rod being connected to the moveable blade of the cutting mechanism, and said cam surface being operable to contact said lever to pivot said lever and thus slidably move said rod and said blade to cut said strip.
An apparatus for printing a strip, comprising:
- (a) a strip advancing mechanism, the mechanism comprising means for advancing the strip in a substantially smooth and jerkless motion so as to avoid tearing of the strip, the advancing means comprising a rotatable motive disk, a drive pawl eccentrically mounted on the disk, and a cam surface eccentrically mounted on the disk;
- (b) a rotatable shaft;
- (c) a type wheel having a plurality of printing surfaces thereon, the type wheel being mounted on the shaft and rotatable therewith, the type wheel further having a plurality of notches formed in an exterior surface thereof;
- (d) means for rotating the shaft;
- (e) a positioning pawl for engaging a notch of the type wheel to prevent rotation thereof;
- (f) a cutting mechanism having a moveable blade;
- and
- (g) a cam-controlled lever and a rod which is operatively connected to said lever, said lever being mounted for pivotal movement thereof and said rod being mounted for slidable movement thereof, said rod being connected to the moveable blade of the cutting mechanism, and said cam surface being operable to contact said lever to pivot said lever and thus slidably move said rod and said blade to cut said strip.
Dependencies are inferred from the claim text.