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US 6,308,605 B1Granted
Crosscutter for web materials
Assigneebielomatik Leuze GmbH & Co.
InventorsJürgen Rau, Hansjörg Klein
Life of this patent
Estimating the term…
Abstract
A crosscutter for web materials, particularly paper, has a cutter shaft (13), which comprises a light metal cutter block (19) and a steel shaft end (14). The latter comprises a bearing (12) and drive (17)-receiving spigot and a flange (16), which is connected by means of a positive and nonpositive connection to the cutter block. For nonpositive connection purposes threaded bolts (35) are inserted in bushes (33), which are screwed and bonded into corresponding cutter block recesses. In addition, a reamed bolt connection is provided.
Claims14
A crosscutter for web material comprising:
- at least one cutter shaft, including a cutter block made of light metal, extending axially over most of a cutting area and having a circumference, wherein the cutter block has several circumferentially distributed cylindrical holes continuing over the entire length of the cutter block;
- at least one cutter blade secured to the cutter block at a cutter support;
- cutter shaft end pieces having bearing means for the cutter shaft;
- at least one shaft end piece manufactured separately from the cutter block and made of a high strength material, having at one side facing the cutter block a flange extended radially into the vicinity of the circumference of the cutter block;
- and
- connection means for connecting the cutter block to the flange, said connection means cooperating with and extending into said cylindrical holes.
3 more elements
Dependencies are inferred from the claim text.