IP Library › Granted Patent US 11,389,917
Granted Patent B2
US 11,389,917 · App. 16/930,585 · Granted Jul 19, 2022

Electric working machine

Inventor: Ryosuke Ito (Anjo, JP)
Assignee: MAKITA CORPORATION
B23Q11/0082A01G3/053B23Q11/0092F16P3/00
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Quick Facts
Patent No.
US 11,389,917
App. No.
16/930,585
Granted
Jul 19, 2022
Kind
B2
Abstract

An electric working machine may include a support rod extending in a front-rear direction; a head unit attached to a front end of the support rod and including a front tool and a motor configured to drive the front tool; and a grip unit attached to a rear end of the support rod. The grip unit may include a grip housing configured to be gripped by an operator; a detection sensor attached to the grip housing and configured to detect an on/off operation for the motor by the operator; and a presence sensor attached to the grip housing and configured to detect a grip by the operator on the grip housing. The support rod may not penetrate through the grip housing. In a rear plan view of the electric working machine, at least one of the detection sensor and the presence sensor at least partially may overlap the support rod.

Claims (20)

1. An electric working machine, comprising:

a support rod extending in a front-rear direction;

a head unit attached to a front end of the support rod, the head unit comprising a front tool and a motor configured to drive the front tool; and

a grip unit attached to a rear end of the support rod,

wherein

the grip unit comprises:

a grip housing configured to be gripped by an operator;

a detection sensor attached to the grip housing and configured to detect an on/off operation for the motor by the operator; and

a presence sensor attached to the grip housing and configured to detect a grip by the operator on the grip housing,

the support rod does not penetrate through the grip housing, and

in a rear plan view of the electric working machine, at least one of the detection sensor and the presence sensor at least partially overlaps the support rod.

2. The electric working machine according to claim 1 , wherein

the grip unit further comprises a lever, the lever being attached to the grip housing and configured to be operated by the operator, and

the presence sensor is configured to detect the grip by the operator on the grip housing when the lever is operated.

3. The electric, working machine according to claim 1 , further comprising:

a control unit disposed rearward of the rear end of the support rod and configured to control actuation of the motor,

wherein

in the rear plan view of the electric working machine, the control unit at least partially overlaps the support rod.

4. The electric, working machine according to claim 1 , wherein

the front tool comprises a cutting blade for cutting an object.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 16, 2020
From: ITO, RYOSUKE
To: MAKITA CORPORATION
Reel/Frame 053227/0739 →
Priority Claims (1)
JP JP2019-132857 · Jul 18, 2019 · national
Continuity (1)
Related Publication 20210016406A1 · Jan 21, 2021
Cited By (3)
US 1,082,462 US 1,091,274 US 12,648,525