Earth working – Lawn edger – Rolling or driven cutter
Patent
1985-04-11
1987-02-24
Johnson, Richard J.
Earth working
Lawn edger
Rolling or driven cutter
56 171, 56 116, A01B 4504
Patent
active
046450114
ABSTRACT:
A lawn edger device is disclosed having a motor and a cutter blade supported by a platform and a handle mounted hand control for varying the depth of the cutter blade relative the ground. The platform includes a first and a second end, the first end being supported by a first set of ground engaging wheels. A first arm is pivotally connected to the second end of the platform. The distal end of the first arm rotatably supports a second set of the ground engaging wheels. A connecting arm is secured to the first arm and includes a toothed portion which cooperates with a locking plate rigidly connected to the platform. The toothed portion cooperates with the locking plate to variably adjust the longitudinal disposition of the connection arm relative the locking plate. The hand control is pivotally connected to the connecting arm to release the toothed portion from the locking plate to permit movement of the connecting arm and thereby effect adjustment of the depth of the cutter blade relative the ground upon movement of the first arm. In an alternative embodiment, an edger includes wheels rotatably secured to a frame. A motor supporting platform is pivotally secured to the frame and a cutter blade support is pivotally connected to the frame with the pivotal axis of the cutter blade and support platform being parallel to each other. A hand control connected to a position retaining device remotely controls the depth of the cutter blade relative the ground.
REFERENCES:
patent: 2882977 (1959-04-01), Smith
patent: 2979837 (1961-04-01), Hunter
patent: 3079743 (1963-03-01), Egley
patent: 3338314 (1967-08-01), Meltzer
Bakker Harry J.
Feikema Roger
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