Dispenser for rolled sheet material
Document feed mechanism
Document feed tractor
Document feed tractor with height adjustable web support surface
Document feed tray for feeding elongated fan-folded papers throu
Document tractor
Door and spring assembly for a paper feed mechanism
Double feed roll lift mechanism
Double stroke feeder
Double surfaced developing tank
Double-capstan tape driving device
Double-eccentric locking means
Dragboard assembly
Draw roller for strip material
Draw roller with adjustable pull ring
Draw-off and hold-back cable tension machine
Draw-roller unit for a web-printing machine
Drawing machine
Drawing roller drive
Drilled unported vacuum drum with a porous sleeve