A lawn trimmer including a cutting disc, a drive shaft; and a flexible drive shaft. The drive shaft is within a straight shaft, connected to the motor and extending to the flexible drive shaft, translating the rotation of the motor to the flexible drive shaft. The flexible drive shaft is within a curved shaft, parallel but not-colinear with the straight shaft, extends to a rotor head connected to the curved shaft, translating drive shaft rotation to a cutting disc comprising a plurality of cutting blades on a cutting plane; an intersection between the cutting plane and the curved shaft axis defines a predetermined oblique angle.

The invention is directed to an outdoor device, preferably a string trimmer, having a hinged pole for folding the string trimmer. The hinge has an easy to use lock that allows for repeated folding of the trimmer for easy transport and storage. The string trimmer has a battery at a rear end of the pole near the handle, and a motor at a front end on the cutting head. An electrical cable is run from the battery to the motor to provide power to the motor. The hinge provides a protective sheath around the cable to protect it from damage when the string trimmer is folded and the cable might otherwise be exposed. Additionally, the string trimmer includes a guard around the cutting head that contacts a battery housing to secure the string trimmer in a folded position.

The disclosure provides an operating rod assembly and a string trimmer. The operating rod assembly includes a first rod provided with a first limiting piece, a second rod provided with a second limiting piece and a connector for connecting the first rod and the second rod. An outer diameter of the second rod is smaller than an inner diameter of the first rod; the first limiting piece and the second limiting piece are matched to limit the relative rotation angle between the first rod and the second rod. When the connector is in a locking state, two ends of the connector respectively lock the first rod and the second rod; when the connector is in a loosening state, the connector releases the second rod or the first rod, and the first rod and the second rod can rotate and stretch relative to each other.

A kit for converting trimmer to lawnmower is disclosed. The kit comprises blade stand, edge support and variety of blades and strings. The kit is compatible with all the existing grass trimmers present in market. In an embodiment of the present invention, the user can easily adjust the cutting height by adjusting the height of blade stand on the edge support. In an embodiment of the present invention, the blade stand comprise of edge support that is an aluminum or steel loop structure to provide wide variety of height levels to blade stand for cutting brushes. The blade stand and edge support comprise of holes drilled in them such that blade stand can be screwed to edge support at variety of height levels.

A working machine support belt includes: a back plate portion; a left shoulder belt and a right shoulder belt; a waist belt; a left suspender band that connects the left shoulder belt and the waist belt; a right suspender band that connects the right shoulder belt and the waist belt; a left side belt that extends left-downward from the back plate portion, turns forward, and is connected to a left end portion of the waist belt; a right side belt that extends right-downward from the upper portion of the back plate portion, turns forward, and is connected to a right end portion of the waist belt; a locking member that locks the left end portion and the right end portion of the waist belt; and a pad member supported via a rear support band and a front support band, and provided with a hook that supports a working machine.

A working machine support belt includes: a back plate portion; a left shoulder belt and a right shoulder belt; a waist belt; a left suspender band that connects the left shoulder belt and the waist belt; a right suspender band that connects the right shoulder belt and the waist belt; a left side belt that extends left-downward from the back plate portion, turns forward, and is connected to a left end portion of the waist belt; a right side belt that extends right-downward from the upper portion of the back plate portion, turns forward, and is connected to a right end portion of the waist belt; a locking member that locks the left end portion and the right end portion of the waist belt; and a pad member supported via a rear support band and a front support band, and provided with a hook that supports a working machine.

A power tool system includes a first power tool and a second power tool. The first power tool includes a first connecting rod having a first working assembly, a second connecting rod having a first battery assembly, a first connector having a first connector portion with terminals A, B and C and a second connector portion with terminals A′, B′ and C′. The second power tool includes a third connecting rod with a second working assembly, a fourth connecting rod with a second battery assembly and a second connector with a same structure as the first connector; voltages of the first and second battery assemblies are different; terminals A, B are connected with first working assembly, and terminals A′, B′ are connected with first battery assembly; and terminals B, C are connected with second working assembly, and terminals B′, C′ are connected with second battery assembly.

An outdoor surface treating apparatus having a body having a handle and a head arranged to be removably connected with an accessory tool assembly. The head includes a first engagement arrangement for releasably engaging with a second engagement arrangement in the accessory tool assembly. A drive unit, arranged in the head, includes a first coupling member for drivingly coupling with a second coupling member in the accessory tool assembly. The first engagement arrangement is fixed. The second engagement arrangement is movable between an extended position and a retracted position. The accessory tool assembly includes a biasing element for biasing the second engagement arrangement into the extended position. As the accessory tool assembly is aligned with the head, in particular when the first engagement arrangement is aligned with the second engagement arrangement, and is moved along a movement axis into engagement with the head, the second engagement arrangement first moves over the first engagement arrangement against the bias then returns to the extended position and locks with the first engagement arrangement while the first coupling member couples with the second coupling member.

A reciprocating mower unit (14) comprises a reduction gear (54) and a crank mechanism (56) arranged within a housing (24). The reduction gear (54) receives input rotary motion from a transmission shaft at a first, relatively higher, rotation speed, and deliver an output rotary motion to a gear output shaft (58) at a second, relatively lower, rotation speed, whereas the crank mechanism (56) converts the output rotary motion of the gear output shaft (58) to an oscillating, anti-phase motion of a pair of mowing blades (32a, 32b) about a common oscillation axis (A1). The reciprocating mower unit (14) comprises an input shaft (48) provided with a coupling interface (49) for releasably coupling the input shaft (48) to the transmission shaft.

A reciprocating mower unit (14) comprises a reduction gear (54) and a crank mechanism (56) arranged within a housing (24). The reduction gear (54) receives input rotary motion from a transmission shaft at a first, relatively higher, rotation speed, and deliver an output rotary motion to a gear output shaft (58) at a second, relatively lower, rotation speed, whereas the crank mechanism (56) converts the output rotary motion of the gear output shaft (58) to an oscillating, anti-phase motion of a pair of mowing blades (32a, 32b) about a common oscillation axis (A1). The reciprocating mower unit (14) comprises an input shaft (48) provided with a coupling interface (49) for releasably coupling the input shaft (48) to the transmission shaft.