US 9,314,913 B2 · Dust collecting device and impact tool

Abstract

In a dust collection device that collects dust particles that an impact tool generates, disclosed is a feature that can accommodate the lengths of tool bits that are mounted to the impact tool when a machining operation is executed by exchanging tool bits of different lengths. The dust collection device collects dust that the impact tool generates and is attached to said impact tool that, in the lengthwise direction, linearly operates the tool bit mounted to the end region of a tool body. The dust collection device has a dust intake port that sucks dust, and said dust intake port can be repositioned in the lengthwise direction of the tool bit in accordance with the length in the lengthwise direction of said tool bit.

Claims7

Dependent claims

A dust collecting device that is attached to an impact tool and collects dust generated by the impact tool in which a tool bit coupled to a front end region of a tool body is caused to rectilinearly move in an axial direction of the tool bit, comprising:

a dust suction port through which dust is sucked up and which can be adjusted in position in the axial direction of the tool bit according to a length of the tool bit in the axial direction,
a dust collecting part having the dust suction port at its front end,
a dust transfer part which is connected to the dust collecting part in order to transfer dust downstream from the dust suction port, the dust transfer part comprising a dust collecting hose which extends in the axial direction of the toll bit and has a bellow-like part formed at least in part of the dust collecting hose, and
a hose holding part which can be mounted to the tool body and engaged with the bellow-like part so as to hold the dust collecting hose on the tool body,
wherein the position of the dust suction part in the axial direction of the tool bit can be adjusted by changing as engagement position of the bellow-like part in an axial direction with respect to the hose holding part.

2 more elements

A dust collecting device that is attached to an impact tool and collect dust generated by the impact toll in which a tool bit coupled to a front end region of a tool body is caused to rectilinearly move in a axial direction of the tool bit, comprising:

a dust suction port through which dust is sucked up and which can be adjusted in position in the axial direction of the tool bit according to a length of the tool bit in the axial direction,
a bit covering which is arranged to surround the tool bit and has the dust suction port formed at its front end,
wherein the bit covering comprises a plurality of cylindrical members which are fitted one on the other and can be moved relative to each other in the axial direction of the tool bit, and the position of the dust suction port can be adjusted by relative movement of the cylindrical members, and
the plurality of cylindrical members are configured to be moved relative to each other thereby adjusting the position of the dust suction port in the axial direction of the tool bit and also configured to maintain the adjusted position of the dust suction port during a processing operation after the position adjustment.

1 more element

Dependencies are inferred from the claim text.

Dust collecting device and impact tool

Life of this patent

Dust collecting device and impact tool

Life of this patent

Abstract

Claims7