초록 ▼

A hand-held drive-in tool for driving fastening elements, includes a driving ram (13) displaceably arranged in a guide (12), a drive unit (14) for displacing the driving ram (13), a press-on element (20) for controlling the safety element (23) of the drive unit (14) and spring-biased in a drive-in d

A hand-held drive-in tool for driving fastening elements, includes a driving ram (13) displaceably arranged in a guide (12), a drive unit (14) for displacing the driving ram (13), a press-on element (20) for controlling the safety element (23) of the drive unit (14) and spring-biased in a drive-in direction, and a device for changing a biasing force applied to the press-on element (20) dependent on a special orientation of the press-on element (20) relative to a vector (G) of a gravitational force.

대표청구항 ▼

What is claimed is: 1. A hand-held drive-in tool for driving fastening elements, comprising a guide (12); a driving ram (13) displaceably arranged in the guide (12); a drive unit (14) for displacing the driving ram (13) and having a safety element (23); a press-on element (20) for controlling the s

What is claimed is: 1. A hand-held drive-in tool for driving fastening elements, comprising a guide (12); a driving ram (13) displaceably arranged in the guide (12); a drive unit (14) for displacing the driving ram (13) and having a safety element (23); a press-on element (20) for controlling the safety element (23) of the drive unit (14); spring means for biasing the press-on element (20) in a drive-in direction; and means for changing a biasing force applied by the spring means to the press-on element (20) dependent on a special orientation of the press-on element (20) relative to a vector (G) of a gravitational force of the drive-in tool. 2. A drive-in tool according to claim 1, wherein the biasing force changing means comprises switch means an operation of which depends on a particular orientation of the press-on element (20). 3. A drive-in tool according to claim 2, wherein the switch means comprises an inclination switch (28, 29) controlled by the gravitational force. 4. A drive-in tool according to claim 3, wherein the spring means comprises at least two springs (21, 22) at least one of which (22) is linked up and breaks off relative to the press-on element (20) by the inclination switch (29). 5. A drive-in tool according to claim 3, wherein the spring means comprises at least one spring (21); the drive-in tool includes means (25) for preloading the at least one spring (21) against the press-on element (20) and which is controlled by the inclination switch (28). 6. A drive-in tool according to claim 2, wherein the switch means comprises an electronic inclination switch (28). 7. A drive-in tool according to claim 2, wherein the switch means comprises a mechanical inclination switch (29).