| 摘要 |
Disclosed is a knife comprising a housing ( 11 ) with a blade fixture ( 12 ) which can be moved translationally in the longitudinal direction (x) of the housing within a receiving duct (A) of the housing ( 11 ). The blade fixture ( 12 ) accommodates the knife blade ( 13 ) between a first blade contact surface ( 38 ) and a second blade contact surface ( 31 ) in a closed position while an operators attachment ( 14 ) is assigned to the base (G) and/or the blade locking mechanism (19) in order to translationally move the blade fixture ( 12 ). The operator's attachment ( 14 ) is retained on the base (G) outside the blade locking mechanism ( 19 ). Inner surfaces ( 35 a, 35 b) that border the blade fixture ( 12 ) and are located in the receiving duct (A) retain the locking mechanism ( 19 ) in the closed position in which the locking mechanism ( 19 ) rests against the base (G), or release the locking mechanism ( 19 ) in order to open the locking mechanism ( 19 ) and remove the blade when the locking mechanism ( 19 ) is moved forward and outward through the blade through-hole ( 37 ) into a blade replacement position.
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