Device for limiting the depth of a cut

Patent metadata

Field	Value
Publication number	US-9623583-B2
Application number	US-201214355791-A
Country	US
Kind code	B2
Filing date	Sep 20, 2012
Priority date	Nov 15, 2011
Publication date	Apr 18, 2017
Grant date	Apr 18, 2017

Abstract

A device for limiting the depth of a cut, which is to be used in portable machine tools, includes at least one cut-depth guide unit, and at least one stop unit that has at least one stop element. The stop element has, for the purpose of limiting the depth of a cut, a movement potential relative to the cut-depth guide unit along a cut-depth guide track of the cut-depth guide unit. The cut-depth limiting device further includes at least one stop movement unit which is configured to allow the stop element a further movement potential relative to the cut-depth guide unit, at least one of along and about an axis of movement, at least when in a state of operation.

First claim

The invention claimed is:

1. A cut-depth limiting device for portable power tools, comprising:
at least one cut-depth guide unit defining a cut-depth guide path;
at least one cut-depth guide element mounted on the at least one cut-depth guide unit to be movable along the cut-depth guide path;
at least one stop movement unit mounted on the at least one cut-depth guide element to be movable relative to the at least one cut-depth guide element by at least one of translation along and rotation about a movement axis; and
at least one stop unit including at least one stop element mounted on the at least one stop movement unit such that:
movement of the at least one cut-depth guide element along the cut-depth guide path enables a first movement of a position of the at least one stop element relative to the at least one cut-depth guide unit; and
movement of the at least one stop movement unit relative to the at least one cut-depth guide element enables a second movement of the position of the at least one stop element relative to the at least one cut-depth guide unit independent from the first movement;

a position of the at least one stop element relative to the at least one cut-depth guide unit defining a limit for a depth of cut of a portable power tool.

2. The cut-depth limiting device as claimed in claim 1 , wherein the at least one cut-depth guide unit includes a guide rail element, the at least one cut-depth guide element mounted to the at least one cut-depth guide unit via the guide rail element.

3. The cut-depth limiting device as claimed in claim 2 , wherein the at least one stop movement unit has at least one position fixing element, which is configured to fix the at least one stop element in a position relative to the at least one cut-depth guide element.

4. The cut-depth limiting device as claimed in claim 2 , wherein the at least one cut-depth guide unit has at least one further cut-depth guide element, which is mounted so as to be movable relative to the guide rail element and on which the at least one cut-depth guide element is movably mounted.

5. The cut-depth limiting device at least in claim 2 , wherein the at least one cut-depth guide unit has at least one spring element, which is configured to apply a spring force to the at least one cut-depth guide element in a direction of the guide rail element.

6. The cut-depth limiting device as claimed in claim 1 , wherein the at least one stop movement unit has at least one stop movement element, the at least one stop movement element being an operating lever that is pivotable about the movement axis to actuate the second movement of the at least one stop element.

7. The cut-depth limiting device as claimed in claim 6 , wherein the at least one stop element and the at least one stop movement element are fixedly connected to each other.

8. The cut-depth limiting device as claimed in claim 1 , wherein the movement axis runs at least substantially perpendicularly in relation to a course of the cut-depth guide path.

9. The cut-depth limiting device as claimed in claim 1 , wherein the movement of the at least one stop movement unit relative to the at least one cut-depth guide element is at least a pivoting movement about the movement axis.

10. A portable power tool, comprising:
at least one cut-depth limiting device that includes:
at least one cut-depth guide unit defining a cut-depth guide path;
at least one cut-depth guide element mounted on the at least one cut-depth guide unit to be movable along the cut-depth guide path;
at least one stop movement unit mounted on the at least one cut-depth guide element to be movable relative to the at least one cut-depth guide element by at least one of translation along and rotation about a movement axis; and
at least one stop unit including at least one stop element mounted on the at least one stop movement unit such that:
movement of the at least one cut-depth guide element along the cut-depth guide path enables a first movement of a position of the at least one stop element relative to the at least one cut-depth guide unit; and
movement of the at least one stop movement unit relative to the at least one cut-depth guide element enables a second movement of the position of the at least one stop element relative to the at least one cut-depth guide unit independent from the first movement;

a position of the at least one stop element relative to the at least one cut-depth guide unit defining a limit for a depth of cut of a portable power tool.

Assignees

• Bosch Gmbh Robert

Inventors

• Sinzig Bruno
• Gribi Laurent

Classifications

• B27B21/08 Primary

  Arrangements of gauging or adjusting equipment on hand saws, e.g. for limiting the cutting depth · CPC title

• B27B9/02

  Arrangements for adjusting the cutting depth or the amount of tilting · CPC title

• B27G19/04

  for manually-operated power-driven circular saws · CPC title