Self-propelled lawn mower

Harvesters – Motorized harvester – With condition-responsive operation

Reexamination Certificate

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Details

C056S006000, C056SDIG008

Reexamination Certificate

active

07117660

ABSTRACT:
A self-propelled lawn mower comprising a microprocessor and at least one cutter (10), wherein an elastic tension element (13) that is connected to the frame of the lawn mower and the at least one cutter (10) is provided. Central automatic adjustment of the height of the cutters (10) in relation to the ground is also provided. The cutters (10) consist of a rotary disk (3) with retractable blades (5) provided with a stop (4) underneath the lower surface in the form of a central extension that can come into contact with the ground.

REFERENCES:
patent: 3548570 (1970-12-01), Knotts et al.
patent: 4133404 (1979-01-01), Griffin
patent: 4777785 (1988-10-01), Rafaels
patent: 4817372 (1989-04-01), Toda et al.
patent: 4831813 (1989-05-01), Jonas et al.
patent: 4873819 (1989-10-01), Shivers et al.
patent: 4887415 (1989-12-01), Martin
patent: 5004234 (1991-04-01), Hollis
patent: 5461292 (1995-10-01), Zondlo
patent: 5906051 (1999-05-01), Nannen
patent: 5974347 (1999-10-01), Nelson
patent: 6009358 (1999-12-01), Angott et al.
patent: 6255793 (2001-07-01), Peless et al.
patent: 6338013 (2002-01-01), Ruffner
patent: 9841081 (1998-09-01), None

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