Patent · US Active

Hand-held spring-driven drive-in tool

US7870988B2 · kind B2 · utility

7Cited by
11References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 2008
Grant dateJan 18, 2011
Priority date
Expiry dateApr 17, 2029

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25C1/06
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A hand-held drive-in power tool for driving in fastening elements includes a guide (12) in which a drive-in ram (13) for driving a fastening element is displaceable, and at least one preloaded drive spring (31) for driving the drive-in ram (13), with the drive being preloaded by a tensioning device (70) and further includes a transmission element (33) for transmitting a tensioning force from the tensioning device (70) to the drive spring (31), the transmission element being guided by at least one roller (34) supported on a support element (35) by at least one rolling bearing (40).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.