Hand-held power tool having a support device

Patent metadata

Field	Value
Publication number	US-9346144-B2
Application number	US-201314083108-A
Country	US
Kind code	B2
Filing date	Nov 18, 2013
Priority date	Dec 20, 2012
Publication date	May 24, 2016
Grant date	May 24, 2016

Abstract

A hand-held power tool includes a machine housing and a support device configured to guide the hand-held power tool in a plane-parallel manner on a workpiece. The support device has a substantially hollow-cylindrical carrier element configured to at least portionally receive the machine housing. The carrier element has a longitudinal slot and a foot plate. The foot plate is disposed at a defined angle at an axial end facing toward the workpiece. The foot plate has a recess for an insert tool. The carrier element is clampable to the machine housing by a swivelable clamping lever and/or a rotatable clamping knob. The clamping lever and the clamping knob are connected to each other by a clamping screw.

First claim

What is claimed is:

1. A hand-held power tool, comprising:
a machine housing;
a support device configured to guide the hand-held power tool in a plane-parallel manner on a workpiece, the support device including:
a substantially hollow-cylindrical carrier element configured to at least portionally receive the machine housing, the carrier element including:
a longitudinal slot; and
a foot plate disposed at a defined angle at an axial end facing toward the workpiece, the foot plate having a recess for an insert tool; and

a flute-type longitudinal receiver configured to at least partially receive an adjusting screw to enable height adjustment of the support device and arranged in a region of a longitudinal edge of the longitudinal slot,
wherein the adjusting screw is parallel to the longitudinal slot and is rotatably received in a mounting provided in a region of the longitudinal receiver, beneath an actuating wheel of the adjusting screw,
wherein the carrier element of the support device is clampable to the machine housing via at least one of a swivelable clamping lever and a rotatable clamping knob, and
wherein the clamping lever and the clamping knob are connected to each other by a clamping screw.

2. The hand-held power tool according to claim 1 , wherein:
the longitudinal slot is parallel to a longitudinal axis of the support device, and
a rotation axis of the clamping screw is disposed transversely in relation to the longitudinal axis.

3. The hand-held power tool according to claim 1 , further comprising:
two bearing blocks, each bearing block having an opening configured to rotatably receive the clamping screw,
wherein the bearing blocks are arranged, opposite each other, on sides of the longitudinal slot.

4. The hand-held power tool according to claim 3 , wherein the clamping knob is screwed on to a threaded portion of the clamping screw.

5. The hand-held power tool according to claim 4 , wherein the clamping lever includes:
an eccentric; and
a transverse pin, the transverse pin configured to connect the swivelable clamping lever in an articulated manner in a region of the eccentric, the transverse pin provided at an end of the clamping screw facing away from the threaded portion.

6. The hand-held power tool according to claim 5 , wherein:
a washer is disposed on the clamping screw, between the eccentric of the clamping lever and a bearing block that faces toward the clamping lever, and
the bearing block that faces toward the clamping lever has, on an outside, a rotation locking mechanism for the clamping lever.

7. The hand-held power tool according to claim 1 , wherein:
a washer is disposed on the clamping screw between a bearing block that faces toward the clamping knob and the clamping knob.

8. The hand-held power tool according to claim 1 , further comprising:
a substantially rectangular projection arranged on the machine housing and at least portionally inside the longitudinal slot, the substantially rectangular projection having a threaded gorge that faces toward the adjusting screw,
wherein the threaded gorge is configured to receive a threaded portion of the adjusting screw.

9. The hand-held power tool according to claim 8 , wherein:
when the support device is in a locked state, the threaded portion of the adjusting screw is in bearing contact substantially in the threaded gorge,
when the support device is in an unlocked state, the threaded portion of the adjusting screw is substantially lifted away from the threaded gorge, and
a change between the locked state and the unlocked state is brought about by slight rotation of the support device about the longitudinal axis, relative to the machine housing.

10. The hand-held power tool according to claim 1 , wherein the support device is made of at least one of a plastic material and a metallic material.

11. The hand-held power tool according to claim 1 , wherein the hand-held power tool is a router.

12. The hand-held power tool according to claim 1 , wherein the insert tool is a milling tool.

Assignees

• Bosch Gmbh Robert

Inventors

• Tan Yentiong

Classifications

• B25F5/021 Primary

  with guiding devices (guiding devices for hand tools on stands or supports B25H1/0078) · CPC title

• Y10T409/306384

  with work supported guide means · CPC title

• B27C5/10

  Portable hand-operated wood-milling machines; Routers · CPC title

• Y10T409/306608

  End mill [e.g., router, etc.] · CPC title

• B27G21/00

  Safety guards or devices specially designed for other wood-working machines {auxiliary devices facilitating proper operation of said wood-working machines} · CPC title