Hand-held tool machine

Patent metadata

Field	Value
Publication number	US-10614977-B2
Application number	US-201715841374-A
Country	US
Kind code	B2
Filing date	Dec 14, 2017
Priority date	Dec 22, 2016
Publication date	Apr 7, 2020
Grant date	Apr 7, 2020

Abstract

A hand-held tool machine comprising a housing is disclosed wherein a motor for driving a tool as well as a switch for switching on and off the motor are received, including a switching arrangement having a switch that can be moved between a non-activated position and an activated position for activating the switch, and including a locking arrangement that can be moved between a blocking position and a release position, wherein the switch lever can only be moved into the activated position, when the locking arrangement is in the release position, and wherein the locking arrangement allows for a locking of the switch lever in the activated position, wherein the locking arrangement includes a slider that is received on the switch lever slidable between a locking position and a release position, wherein on the slider there is provided a blocking element cooperating with a counter element arranged at the housing for blocking a movement of the switch lever into the activated position when being in the blocking position and for allowing a movement of the switch lever into the activated position upon shifting the slider into the release position, and wherein on the slider there is provided a latching element that cooperates with a counter element on the housing for allowing a latching of the switch lever in the activated position.

First claim

What is claimed is:

1. A hand-held tool machine comprising:
a housing;
a motor received within said housing for driving a tool;
a switch received within said housing for switching on and off said motor;

a switching arrangement received within said housing, said switching arrangement comprising:
a switch lever that can be moved between a non-activated position and an activated position for activating said switch, said switch lever being biased into said non-activated position;
a locking arrangement received on said switch lever allowing to move said switch lever between a blocking position and a release position;
a slider received on said switch lever allowing shifting said slider between said blocking and said release positions, said slider being biased into said blocking position;
a blocking element received on said slider, said blocking element cooperating with a counter element received on said housing for blocking said slider within said blocking position against moving of said switch lever into said activated position and for allowing moving said switch lever into said activated position upon shifting said slider into said release position;
an activation element received on said slider protruding through a recess provided on said switch lever for being accessible from the outside; and
a latching element arranged on said slider cooperating with a counter element received in said housing for allowing latching said switch lever when being in its activated position;
wherein said switch lever can only be moved into said activated position, when said locking arrangement is in said release position;
wherein said latching element is configured for latching with said counter element when said slider is shifted against said bias into said latching position.

2. The hand-held tool machine of claim 1 , further comprising a pivot axis, whereon said switch lever is held pivotably at one end thereof, and further comprising a first spring for biasing said switch lever into the direction of said non-activated position.

3. The hand-held tool machine of claim 1 , wherein said blocking element is configured as a step protruding from said slider and resting against an assigned protrusion arranged on said housing when being in said blocking position.

4. The hand-held tool machine of claim 1 , wherein said activation element is configured as a knob being configured for displacing said slider between said blocking position and said release position by means of a finger of a user.

5. The hand-held tool machine of claim 2 , further comprising a second spring for biasing said slider into said latching position, and wherein said latching element is arranged on said slider being configured for latching with said counter element when said slider is shifted against a force exerted by said second spring into said latching position.

6. The hand-held tool machine of claim 5 , wherein said switching arrangement in said latching position of the switch lever allows for a further pivoting against said bias of said first spring into a release position within which said latching element is released from said counter element, thereby moving into the direction of said blocking position by means of said second spring.

7. The hand-held tool machine of claim 1 , wherein said switch comprises a switch plunger being arranged for switching by means of said switch lever, when said switch lever is moved into said activated position.

8. The hand-held tool machine of claim 1 , wherein said slider can be inserted into a recess of said switch lever from an inner side facing said housing and can be biased by means of said second spring into a preassembled position allowing mounting said slider together with said switch lever in said preassembled position between two adjacent housing parts.

9. A hand-held tool machine comprising:
a housing;
a motor received within said housing for driving a tool;
a switch received within said housing for switching on and off said motor;
a switching arrangement received within said housing, said switching arrangement comprising:
a switch lever arranged pivotably between a non-activated position and an activated position for activating said switch;
a locking arrangement received on said switch lever allowing to move said switch lever between a blocking position and a release position;
a first spring for biasing said switch lever into said blocking position;
a slider received on said switch lever allowing shifting said slider between said blocking and said release positions;
a blocking element received on said slider, said blocking element cooperating with a counter element received on said housing for blocking said slider within said blocking position against moving of said switch lever into said activated position and for allowing moving said switch lever into said activated position upon shifting said slider into said release position;
a latching element received on said slider cooperating with a counter element received in said housing for allowing latching said switch lever when being in its activated position, thereby achieving a latching position;
wherein said switch lever can only be moved into said activated position, when said locking arrangement is in said release position.

10. The hand-held tool machine of claim 9 , further comprising a second spring for biasing said slider into said latching position, and wherein said latching element is configured for latching with said counter element when said slider is shifted against said bias of said second spring into said latching position.

11. The hand-held tool machine of claim 10 , wherein said slider comprises an activation element protruding through a recess provided on said switch lever for being accessible from outside.

12. The hand-held tool machine of claim 9 , wherein said blocking element is configured as a step protruding from said slider and resting against an assigned protrusion arranged on said housing when being in said blocking position.

13. The hand-held tool machine of claim 9 , wherein said switch comprises a switch plunger being arranged for switching by means of said switch lever, when said switch lever is moved into said activated position.

14. A hand-held tool machine comprising:
a housing;
a motor received within said housing for driving a tool;
a switch received within said housing for switching on and off said motor;
a switching arrangement received within said housing, said switching arrangement comprising:
a switch lever that can be moved between a non-activated position and an activated position for activating said switch;
a locking arrangement received on said switch lever allowing to move said switch lever between a blocking position and a release position;
a slider received on said switch lever allowing shifting said slider between said blocking and said release positions;
a blocking element received on said slider, said blocking element cooperating with a counter element received on said housing for blocking said slider within said blocking position against moving of said switch lever into said activated position and for allowing moving said switch lever into said activated position upon shifting said slider into said release position;
a latching element received on said slider cooperating with a counter element received in said housing for allowing latching said switch lever when being in its activated position;
wherein said switch lever can only be moved into said activated position, when said locking arrangement is in said release position.

15. The hand-held tool machine of claim 14 , further comprisi

Assignees

• Fein C & E Gmbh

Inventors

• Karlovic Ilija

Classifications

• H01H21/06 Primary

  interlocked with operating mechanism · CPC title

• B24B23/028

  Angle tools · CPC title

• B23Q5/10

  driven essentially by electrical means · CPC title

• H01H2235/01

  Spiral spring · CPC title

• B25F5/02 Primary

  Construction of casings, bodies or handles {(B25F5/006, B25F5/008 take precedence)} · CPC title