A carriage for an ink-jet printer constrains torsional deflections by providing the carriage to writing-instrument latch interface features having a zero clearance interfit such that when opened, the writing-instrument latch allows individual writing-instruments to be accessed and when closed the writing-instrument...http://www.google.de/patents/US6378987?utm_source=gb-gplus-sharePatent US6378987 - Method for reducing torsional deflections
