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A hedge trimmer having a drive motor, a gear mechanism, and a blade arrangement with at least one cutter bar, which is driven in a reciprocating manner by the drive motor via the gear mechanism in a longitudinal direction. The blade arrangement includes a guide mechanism that extends over at least a

A hedge trimmer having a drive motor, a gear mechanism, and a blade arrangement with at least one cutter bar, which is driven in a reciprocating manner by the drive motor via the gear mechanism in a longitudinal direction. The blade arrangement includes a guide mechanism that extends over at least a part of the length of the blade arrangement. The guide mechanism is embodied as a molded part that includes a generally flat fastening portion and a profiled guide portion. The cutter bar is longitudinally movably held on the guide portion.

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1. A hedge trimmer comprising: a drive motor;a gear mechanism;a blade arrangement defining a longitudinal direction and having at least one cutter bar and having a free end;said at least one cutter bar being configured to be driven to move in a reciprocating manner in said longitudinal direction by

1. A hedge trimmer comprising: a drive motor;a gear mechanism;a blade arrangement defining a longitudinal direction and having at least one cutter bar and having a free end;said at least one cutter bar being configured to be driven to move in a reciprocating manner in said longitudinal direction by said drive motor via said gear mechanism causing forces to develop during operation of the hedge trimmer which act on said blade arrangement;a supporting component for accommodating said blade arrangement thereon;said blade arrangement further including a guide unit for said at least one cutter bar;said guide unit being configured as a molded part having a profiled guide portion and a generally flat fastening portion;said generally flat fastening portion being configured to connect said blade arrangement to said supporting component so as to permit said guide unit to support said blade arrangement with respect to said supporting component and so as to conduct said forces at said fastening portion into said supporting component;said guide unit having a first and second end regions extending in said longitudinal direction;said first end region being mounted on said supporting component whereat said fastening portion is disposed;said second end region extending approximately to said free end of said blade arrangement;said profiled guide portion being arranged at least in part in said second end region;said generally flat fastening portion being configured so as not to extend into said second end region; and,said at least one cutter bar being longitudinally moveably guided on said profiled guide portion of said guide unit. 2. A hedge trimmer according to claim 1, wherein said profiled guide portion is provided with a ribbing. 3. A hedge trimmer according to claim 2, wherein said ribbing includes at least one transverse rib that extends transverse to the longitudinal direction of said blade arrangement. 4. A hedge trimmer according to claim 3, wherein a plurality of said transverse ribs are provided, and wherein said transverse ribs are more densely disposed in a region of said guide portion that faces said fastening portion than in a region of said guide portion that is remote from said fastening portion. 5. A hedge trimmer according to claim 2, wherein said ribbing includes at least one longitudinal rib that extends in the longitudinal direction of said blade arrangement. 6. A hedge trimmer according to claim 2, wherein said profiled guide portion is provided with an upper side and longitudinal sides that extend in the longitudinal direction of said blade arrangement, further wherein said longitudinal sides extend from said upper side in a direction toward said at least one cutter bar and form with said upper side a U-profile, and wherein said ribbing is disposed in the space enclosed by said upper side, said longitudinal sides, and said at least one cutter bar. 7. A hedge trimmer according to claim 1, wherein said profiled guide portion is provided with at least one hole for a connection to said at least one cutter bar, and wherein at least one longitudinal rib is disposed on a side of said profiled guide portion that faces away from said at least one cutter bar and at the level of said at least one hole. 8. A hedge trimmer according to claim 7, wherein said at least one longitudinal rib is disposed only in the vicinity of said at least one hole. 9. A hedge trimmer according to claim 1, wherein in a region that faces said fastening portion, said profiled guide portion has a first height measured perpendicular to a plane of said at least one cutter bar, further wherein in a region remote from said fastening portion, said profiled guide portion has a second height, and wherein said first height is greater than said second height. 10. A hedge trimmer according to claim 1, wherein said fastening portion is provided with at least one reinforcing rib, further wherein said profiled guide portion is provided with longitudinal sides that extend in the longitudinal direction of said blade arrangement, and wherein at least one of said longitudinal sides merges into one of said reinforcing ribs. 11. A hedge trimmer according to claim 1, wherein said drive motor is an internal combustion engine having a crankcase, and wherein said fastening portion is connected to said crankcase at least at one fastening point. 12. A hedge trimmer according to claim 1, wherein said gear mechanism is disposed in a gearbox, and wherein said fastening portion is connected to said gearbox at least at one fastening point. 13. A hedge trimmer according to claim 1, which further comprises a handle housing and a drive unit, wherein said drive unit includes said drive motor, said gear mechanism and said blade arrangement, further wherein said drive unit is mounted in said handle housing in a vibration-dampening manner via at least one anti-vibration element, and wherein said fastening portion is connected to said handle housing at least at one fastening point via an anti-vibration element. 14. A hedge trimmer according to claim 1, wherein said fastening portion includes at least one fastening opening for a securement of attachments. 15. A hedge trimmer according to claim 1, wherein said guide unit is a die cast part of lightweight metal. 16. A hedge trimmer comprising: a drive motor;a gear assembly including a gear box and a gear mechanism mounted in said gear box;a blade arrangement defining a longitudinal direction and having at least one cutter bar and having a free end;said at least one cutter bar being configured to be driven to move in a reciprocating manner in said longitudinal direction by said drive motor via said gear mechanism causing forces to develop during operation of the hedge trimmer which act on said blade arrangement;said blade arrangement further including a guide unit for said at least one cutter bar;said guide unit being configured as a molded part having a profiled guide portion and a generally flat fastening portion;said generally flat fastening portion being fixedly connected to said gear box so as to permit said guide unit to support said blade arrangement with respect to said gear box and so as to conduct said forces at said fastening portion into said gear box;said guide unit having a first and second end regions extending in said longitudinal direction;said first end region being arranged at said gear box whereat said fastening portion is disposed;said second end region extending at least partially over a part of a length of said blade arrangement;said profiled guide portion being arranged at least in part in said second end region;said generally flat fastening portion being configured so as not to extend into said second end region;said at least one cutter bar being longitudinally moveably guided on said profiled guide portion of said guide unit; and,said first end region of said guide unit being fixedly connected to said gear box at said fastening portion.