PORTABLE TOOL

• US 20140116737A1
• Filed: 10/31/2013
• Published: 05/01/2014
• Est. Priority Date: 10/31/2012
• Status: Active Grant

• Current Assignee: Koki Holdings Co., Ltd.
• Original Assignee: Hitachi KOKI Company Limited (Koki Holdings Co., Ltd.)
• Inventors: SHIMIZU, Yasutaka, SHIBATA, Shogo, IWATA, Kazutaka
• Granted Patent: US 9,555,537 B2
• Time in Patent Office: Days
• US Class Current: 173/20
• CPC Class Codes: A01G 3/053 motor-driven
• CPC Class Codes: A01G 3/06 Hand-held edge trimmers or shears for lawns
• CPC Class Codes: B24B 23/005 Auxiliary devices used in connection with portable grinding machines, e.g. holders
• CPC Class Codes: B25F 5/00 Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
• CPC Class Codes: B25F 5/001 Gearings, speed selectors, clutches or the like specially adapted for rotary tools
• CPC Class Codes: B25F 5/02 Construction of casings, bodies or handles B25F5/006, B25F5/008 take precedence
• CPC Class Codes: B26B 21/4056 Sensors or controlling means
• CPC Class Codes: H01H 9/06 Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner

Abstract

A casing of a hedge clipper which is a portable tool is provided with a power source housing in which an electric motor is housed and a main handle held by a worker, and blades serving as a tip tool are provided to the casing. An operation display panel is provided on the main handle, and a driving information display unit which displays a battery remaining capacity and a rotation speed of an electric motor as a plurality of pieces of driving information is provided on the operation display panel. The selection of the information to be displayed is switched by the operation of an operation switch unit provided in the operation display panel.

Claims

1. A portable tool having a casing provided with a handle unit held by a worker and a power source housing which is located on a front side of the handle unit and houses a power source and a tip tool which is located on a front side relative to the power source housing and is driven by the power source,

the portable tool comprising:

an operation display panel unit provided with a driving information display unit which displays driving information and/or an operation switch unit which selects driving information displayed on the driving information display unit,

wherein the operation display panel unit is disposed at a position below a virtual line connecting top parts of the casing in a vertical direction.

2. The portable tool according to claim 1,

wherein the operation display panel unit is provided on a front side of the casing relative to the handle unit.

3. The portable tool according to claim 1,

wherein the operation display panel unit is provided on an upper surface of the casing, and a worker can operate the operation switch unit while holding the handle.

4. The portable tool according to claim 1,

wherein a part of the casing on which the operation display panel unit is provided is directed to the handle side.

5. The portable tool according to claim 1,

wherein the casing has an inclined part which inclines upward as it goes from the handle unit to the power source housing, and

the operation display panel unit is provided on the inclined part.

6. A portable tool having a casing provided with a power source housing in which a power source is housed and a handle held by a worker,

the portable tool comprising:

an operation display panel unit provided with a driving information display unit which displays a plurality of pieces of driving information and an operation switch unit which selects specific driving information from among the plurality of pieces of driving information displayed on the driving information display unit,

wherein the single driving information display unit displays the plurality of pieces of driving information, and display contents of the driving information to be displayed thereon are switched by the single operation switch unit.

7. The portable tool according to claim 6,

wherein the display contents of the driving information to be displayed on the driving information display unit are switched in accordance with an operation status of the operation switch unit.

8. The portable tool according to claim 6,

wherein an operation time of the operation switch unit is employed as the operation status of the operation switch unit, and display of the driving information is switched by the operation switch unit in accordance with the operation time.

9. The portable tool according to claim 6,

wherein the number of operations of the operation switch unit is employed as the operation status of the operation switch unit, and display of the driving information is switched by the operation switch unit in accordance with the number of operations.

10. The portable tool according to claim 6, further comprising:

an electric motor serving as the power source; and

a battery which supplies power to the electric motor,

wherein the driving information display unit displays a remaining capacity of the battery.

11. The portable tool according to claim 6, further comprising:

an electric motor serving as the power source; and

a battery which supplies power to the electric motor,

wherein the driving information display unit displays a life of the battery.

12. The portable tool according to claim 6, further comprising:

an electric motor serving as the power source; and

a battery which supplies power to the electric motor,

wherein the driving information display unit displays a life of the electric motor.

13. The portable tool according to claim 6,

wherein the driving information display unit displays a speed of a tip tool.

14. The portable tool according to claim 6,

wherein the driving information display unit has a plurality of light emitting parts, and display contents of the driving information to be displayed on the driving information display unit are switched in accordance with the number of light emitting parts being lit on.

15. A portable tool having a casing provided with a power source housing in which a power source is housed and a handle held by a worker,

the portable tool comprising:

an operation display panel unit provided with a driving information display unit which displays a plurality of pieces of driving information and an operation switch unit which selects specific driving information from among the plurality of pieces of driving information displayed on the driving information display unit,

wherein display contents of the driving information to be displayed on the driving information display unit are switched in accordance with an operation status of the operation switch unit.