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US 3,941,319 AGranted
Cutter ring having detachable cutter packets
AssigneePallmann Maschinenfabrik GmbH & Co. KG
InventorWilhelm Pallmann
Life of this patent
Estimating the term…
Abstract
A cutting device having concentric counter-rotating cutter rings thereon with the outer ring having end members with support members extending axially therebetween. Cutter packets are detachably mounted on the radially outer side of said support members and are clamped in place by spring biased clamping bars. The housing of the device includes motor operated lift members engageable with said bars singly in respective rotated positions of said outer ring for unclamping said packets for replacement. Each packet has a support plate and a cutter blade adjustably connected thereto.
Claims15
In a rotary cutting device;
- a housing, a pair of counterrotating cutter rings in concentric relation in said housing each comprising end members and circumferentially spaced axial elements extending between and connected to said end members, said elements on the radially outer ring comprising axial bar-like supports, a cutter packet on the radially outer side of each support, a clamping bar on the radially outer side of each packet, spring means urging each clamping bar into clamping pressure engagement with the radially outer side of each packet, and release means on the housing for engagement with said clamping bars to move the bars into packet releasing position to permit exchange of said packets.
Dependencies are inferred from the claim text.