Pen capping mechanism

Pen carousel, pen sensing and indexing

Pen carriage for an ink-jet printer

Pen carriage suspension for graphic recorder

Pen changeover mechanism for pen recorder

Pen changer with orthogonal pick up from the turret

Pen cleaning system for a pen plotter

Pen control circuit

Pen drive for recorder

Pen driving mechanism

Pen exchange mechanism, a pen chuck mechanism, a pen position re

Pen exchanging mechanism in automatic drafter

Pen holding device for an automatic drafting device

Pen lifting and lowering positioner for graphic recorder

Pen operability checking system for vector plotters

Pen plotter pen type identification system

Pen position regulator

Pen pressure device

Pen recorder

Pen recorder