Cutlery – Cutting tools – Plural cooperating blades
Patent
1997-04-14
2000-04-04
Rachuba, M.
Cutlery
Cutting tools
Plural cooperating blades
30247, 30249, 30251, A01G 3037, B26B 1300
Patent
active
060445645
ABSTRACT:
A branch cutter tool (1) having two blades (11,12) that are movable in relation to each other, of which one blade (11) is rigidly connected with a housing (2) and the other blade (12) can be moved by an electric motor (5) via a threaded spindle (8), a threaded nut (21) arranged on the threaded spindle and a rod assembly connected to the threaded nut. The blade (11) has an extension (13) projecting into the housing (2) and the threaded spindle (8) is rotatably supported by means of a rolling bearing (31) which is fixed to the threaded spindle (8) and is axially supported in a recess (17) formed into the extension (13) such that the cutting forces taking place in a cutting operation are absorbed by the components involved so that the housing (2) is not subjected to stress by these forces. The tensile forces transferred to the threaded spindle (8) when the movable blade (12) is closed are applied to the extension (13) via the rolling bearing (31). Furthermore, a force acts upon the extension in the opposite direction in the region of the bearing support of the movable blade (12) so that these forces thus cancel each other out and a closed power flux results.
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Goodman Charles
J. Wagner GmbH
Rachuba M.
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