Apparatus and methods for revitalizing artificial turf fields are disclosed. In one exemplary apparatus, the apparatus may comprise a support frame, a plurality of shearing machines installed on the support frame, and a plurality of wheels installed on the support frame. The support frame may be configured to position the shearing machines parallel to each other, to tilt the shearing machines with respect a surface of the artificial turf field, and to position the shearing machines above a surface of the field at a distance such that the shearing machines cut fibers to produce trimmed fibers that have a length that can extend above infill or topmost layer of the artificial turf field. Methods for revitalizing artificial turf fields using the same are also disclosed.

Apparatus and methods that use shearing machines operate to revitalize artificial turf fields. In one exemplary apparatus, the apparatus may comprise a support frame, a plurality of shearing machines installed on the support frame, and a plurality of wheels installed on the support frame. The support frame may be configured to position the shearing machines parallel to each other, to tilt the shearing machines with respect a surface of the artificial turf field, and to position the shearing machines above a surface of the field at a distance such that the shearing machines cut fibers to produce trimmed fibers that have a length that can extend above infill or topmost layer of the artificial turf field.

Apparatus and methods for revitalizing artificial turf fields are disclosed. In one exemplary apparatus, the apparatus may comprise a support frame, a plurality of shearing machines installed on the support frame, and a plurality of wheels installed on the support frame. The support frame may be configured to position the shearing machines parallel to each other, to tilt the shearing machines with respect a surface of the artificial turf field, and to position the shearing machines above a surface of the field at a distance such that the shearing machines cut fibers to produce trimmed fibers that have a length that can extend above infill or topmost layer of the artificial turf field. Methods for revitalizing artificial turf fields using the same are also disclosed.

A mowing sickle drive system comprises a knife bar supported by a frame and drive apparatus operable to drive the knife bar in a reciprocating linear motion at a variable drive frequency. A spring is coupled to the knife bar for applying a restoring force to the knife bar toward a neutral position when in motion. The spring has a variable modulus of elasticity that is controlled dependent upon the drive frequency.

A mowing sickle drive system comprises a knife bar supported by a frame and drive apparatus operable to drive the knife bar in a reciprocating linear motion at a variable drive frequency. A spring is coupled to the knife bar for applying a restoring force to the knife bar toward a neutral position when in motion. The spring has a variable modulus of elasticity that is controlled dependent upon the drive frequency.

A mower having a supplemental battery charging station mounted thereon is provided. The mower utilizes a flywheel/alternator arrangement to output a selected voltage. The voltage is directed to the supplement battery charging station. The supplemental batteries are thereby charged at the charging station as the mower is driven forward or in another direction. The lawn mower also includes a rack (which may be in the form of a hook) to carry a battery powered supplemental lawn maintenance tool, such as a weed trimmer, hedger, edger, or leaf blower, amongst others.

A mowing sickle drive system comprises a knife bar supported by a frame and drive apparatus operable to drive the knife bar in a reciprocating linear motion at a variable drive frequency. A spring is coupled to the knife bar for applying a restoring force to the knife bar toward a neutral position when in motion. The spring has a variable modulus of elasticity that is controlled dependent upon the drive frequency.

Apparatus and methods for revitalizing artificial turf fields are disclosed. In one exemplary apparatus, the apparatus may comprise a support frame, a plurality of shearing machines installed on the support frame, and a plurality of wheels installed on the support frame. The support frame may be configured to position the shearing machines parallel to each other to tilt the shearing machines with respect a surface of the artificial turf field, and to position the shearing machines above a surface of the field at a distance such that the shearing machines cut fibers to produce trimmed fibers that have a length that can extend above infill or topmost layer of the artificial turf field. Methods for revitalizing artificial turf fields using the same are also disclosed.

An apparatus for revitalizing artificial turf fields may comprise a support frame, a plurality of shearing machines installed on the support frame, and a plurality of wheels installed on the support frame. The support frame may be configured to position the shearing machines parallel to each other, to tilt the shearing machines with respect a surface of the artificial turf field, and to position the shearing machines above a surface of the field at a distance such that the shearing machines cut fibers to produce trimmed fibers that have a length that can extend above infill or topmost layer of the artificial turf field. Methods for revitalizing artificial turf fields involves the aforementioned apparatus.

A mowing sickle drive system comprises a knife bar supported by a frame and drive apparatus operable to drive the knife bar in a reciprocating linear motion at a variable drive frequency. A spring is coupled to the knife bar for applying a restoring force to the knife bar toward a neutral position when in motion. The spring has a variable modulus of elasticity that is controlled dependent upon the drive frequency.