Patent ID: 9193194
Filing Date: 2015-11-24
Classification: B41J

Abstract:
1. A printer assembly comprising: a housing comprising a pair of opposite first and second sidewalls extending along a nominal x-axis, the first sidewall having a guide slot extending along a z-axis, the guide slot being defined between opposite first bearing surfaces; a shaft rotatably mounted between the sidewalls, the shaft extending along a y-axis; first and second pinions fixedly mounted at either end of the shaft for rotation therewith; a print bar carriage slidably received within the housing, the print bar carriage comprising: a drive motor operatively connected to the shaft for rotating the shaft and thereby lifting the print bar carriage relative to the housing along the z-axis via the rack-and-pinion lift mechanism, wherein, during sliding movement of the print bar carriage, the set of first bearings travels within the guide slot and bear against the first guide surfaces to constrain rotational movement of the print bar carriage.