JP2001096505A - Portable power tools - Google Patents

Abstract

(57) Abstract: The present invention relates to a cut amount adjusting mechanism for a portable electric tool having a clamp lever, and an object thereof is to improve operability of the clamp lever. A gear cover or a housing is provided with a protruding portion for attaching a finger above a fastening member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable power tool for performing a cutting operation with a rotary blade.

[0002]

2. Description of the Related Art FIGS. 2 to 5 show an example of a conventional portable power tool.

As shown in FIG. 2, in a portable electric power tool, the base 1 can be moved, and the cut amount is adjusted by the protrusion amount a of a saw blade 9 projecting downward from the bottom surface of the base 1. General. The link 4 having the guide groove 10 is provided so that the base 1 can be appropriately fixed at a predetermined cut amount.

FIG. 5 is a partial sectional view as seen from the direction I in FIG. In FIG. 5, the bolt 6 is connected to the guide groove 1 of the link 4.
0 and a hole 12 of the gear cover 3, and a clamp lever 2 containing a nut 5 is attached to an end of the hole.

FIG. 3 shows a state in which the clamp lever 2 is moved upward (arrow B).
The base 1 moves by moving it in the direction
(Direction), the base 1 is fixed.

[0006]

In the conventional portable power tool, the base 1 is moved and fixed by moving the clamp lever 2 up and down, and the cut amount is adjusted. When the base 1 is fixed, a finger can be attached to the upper surface of the clamp lever 2 and the bottom surface of the base 1 as shown in FIG. However, when the base 1 is moved, a finger can be attached only to the clamp lever 2 as shown in FIG.

An object of the present invention is to provide a portable power tool which solves the above drawbacks, facilitates adjustment of the cutting depth, and has good workability.

[0008]

The above object is achieved by providing a projection on a gear cover or a housing for attaching a finger above a clamp lever.

[0009]

FIG. 1 shows an embodiment of a portable power tool according to the present invention. The configuration other than that the projection 8 for attaching a finger to the upper part of the clamp lever 2 is provided on the gear cover or the housing 3 is the same as that of the conventional portable electric tool, and the description is omitted.

As shown in FIG. 1, a projection 8 for placing a finger on the clamp lever 2 is disposed above the clamp lever 2 so that a finger can be attached to the upper surface of the projection 8 and the lower surface of the clamp lever 2. It is configured to apply force. Therefore, the clamp lever 2 can be easily loosened, and the adjustment of the cutting depth can be performed smoothly.

[0011]

According to the present invention, in a portable power tool having a clamp lever, a protrusion for putting a finger above the clamp lever is provided, so that a finger is provided on the upper surface of the protrusion and the lower surface of the clamp lever. And the force can be applied from both the upper and lower directions, so that the clamp lever can be easily loosened, and the adjustment of the cutting amount can be performed smoothly.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a portable power tool according to the present invention.

FIG. 2 is a perspective view showing an example of a portable power tool.

FIG. 3 is a perspective view showing an operation state of an example of the portable power tool.

FIG. 4 is an enlarged view of a main part of the portable power tool.

FIG. 5 is a partial sectional view taken in the direction of arrow I in FIG. 4;

FIG. 6 is an enlarged view of a main part showing an operation state of an example of a conventional portable electric tool.

FIG. 7 is an enlarged view of a main part showing an operation state of an example of a conventional portable electric tool.

[Explanation of symbols]

1 is a base, 2 is a clamp lever, 3 is a gear cover or housing, 4 is a link, 5 is a nut, 6 is a bolt, 7 is a screw, 8 is a projection, 9 is a saw blade, 10 is a guide groove, and 11 is a washer. , 12 are holes and 13 is a bolt head.

Claims (1)

[Claims] 1. A rotary blade driven by a motor, a gear cover covering the rotary blade, a base movably mounted on the gear cover so as to guide the rotary blade at the time of cutting and adjust a cutting amount by the rotary blade. A portable electric machine having a link attached to a base and having a guide groove corresponding to a cut amount adjustment range, and a pair of fastening members similar to a clamp lever containing a bolt and a nut for fixing the link at a predetermined cut amount as appropriate. A portable power tool, wherein a projection for attaching a finger above the fastening member is provided on a gear cover or a housing.