Pinroll with pinstrips
AssigneeFirma Staedtler & Uhl
InventorJosef Egerer
Life of this patent
Estimating the term…
Abstract
A pin roll includes a roll body having wedge grooves therein disposed parallel to the axis of the roll body. Pinstrips are disposed in the wedge grooves, and clamping wedges are disposed in the wedge grooves to hold the pinstrips therein. At least two parallel pegs in the roll body are disposed generally transversely of the wedge grooves. The clamping wedges have means defining oblique slots extending from the bottom thereof with the pegs being disposed in the oblique grooves. Operable means operable in a longitudinal direction and engageable with the wedge means are operable to effect securing and releasing of the pinstrips.
Claims12
A pin roll comprising a roll body, wedge grooves in said roll body disposed parallel to the axis of said roll body, pinstrips disposed in said wedge grooves, clamping wedges disposed in said wedge grooves and holding said pinstrips in said wedge grooves, at least two parallel pegs in said roll body disposed generally transversely of said wedge grooves, said clamping wedges having means defining oblique slots extending from the bottom thereof, said pegs being disposed in said oblique grooves, and operable means operable in a longitudinal direction and engageable with said wedges means to effect securing and releasing of said pinstrips.
Dependencies are inferred from the claim text.