Fastener driving tool with safety lock

Patent metadata

Field	Value
Publication number	US-10046448-B2
Application number	US-201314422114-A
Country	US
Kind code	B2
Filing date	Aug 13, 2013
Priority date	Aug 17, 2012
Publication date	Aug 14, 2018
Grant date	Aug 14, 2018

Abstract

A fastener driving tool comprises a hand-held casing having a movable and drivable energy transmission element including a driving member, wherein the driving member acts to drive a fastener, a locking element, and a sensor member for determining an operational state of the fastener driving tool, wherein a driving process is released only if the operational state prevails, wherein the locking member is arranged in a locking manner in a path of the energy transmission element if the non-operational state prevails, wherein, once a driving process has been triggered, the locking member can stop the energy transmission element.

First claim

The invention claimed is:

1. A driving tool, comprising a hand-held casing containing a drivably movable energy transmission element for transmitting energy to a fastener, the energy transmission element including a driving member producing a driving-in action onto the fastener, a locking member, and a sensor member for determining an operational state of the driving tool, wherein a driving process including producing the driving-in action onto the fastener occurs only when the operational state prevails, and, the locking member is situated in a locking manner across a path of the energy transmission element when the nonoperational state prevails, wherein the locking member stops the energy transmission element after a triggering of a driving process such that driving-in action onto the fastener does not occur.

2. The driving tool according to claim 1 , wherein the locking member comprises a movable slider situated in a locking position between the driving member and the fastener, and wherein, in a release position, the slider allows the driving member to produce the driving-in action onto the fastener.

3. The driving tool according to claim 2 , wherein the slider is connected with a pressing member via a mechanism, and pressing of the pressing member moves against a workpiece to move the slider into the release position.

4. The driving tool according to claim 3 , wherein the locking member is connected with the pressing member by a pressing rod.

5. The driving tool according to claim 4 , wherein the slider is a rotating slider.

6. The driving tool according to claim 4 , wherein the slider is a linear slider.

7. The driving tool according to claim 4 , wherein the driving tool has an electric motor as a driving source.

8. The driving tool according to claim 3 , wherein the slider is a rotating slider.

9. The driving tool according to claim 3 , wherein the slider is a linear slider.

10. The driving tool according to claim 3 , wherein the driving tool has an electric motor as a driving source.

11. The driving tool according to claim 3 , wherein the sensor member-comprises a pressing member in a front section of the driving tool, wherein the driving process including producing the driving-in action onto the fastener only occurs when the pressing member is braced against a workpiece.

12. The driving tool according to claim 2 , wherein the slider is a rotating slider.

13. The driving tool according to claim 12 , wherein the driving tool has an electric motor as a driving source.

14. The driving tool according to claim 2 , wherein the slider is a linear slider.

15. The driving tool according to claim 14 , wherein the driving tool has an electric motor as a driving source.

16. The driving tool according to claim 2 , wherein the driving tool has an electric motor as a driving source.

17. The driving tool according to claim 2 , wherein the sensor member-comprises a pressing member in a front section of the driving tool, wherein the driving process including producing the driving-in action onto the fastener only occurs when the pressing member is braced against a workpiece.

18. The driving tool according to claim 1 , wherein the driving tool has an electric motor as a driving source.

19. The driving tool according to claim 1 , wherein the sensor member comprises a pressing member in a front section of the driving tool, wherein the driving process including producing the driving-in action onto the fastener only occurs when the pressing member is braced against a workpiece.

20. The driving tool according to claim 1 , wherein in addition to the locking member, an additional safety device is provided on the driving tool, wherein triggering of a driving process is prevented the additional safety device.

Assignees

• Hilti Ag

Inventors

• Wolf Iwan
• Grazioli Mario
• Franz Karl
• Miescher Stefan

Classifications

• B25C1/008 Primary

  Safety devices · CPC title

• B25C1/06

  operated by electric power · CPC title