Global Patent Index - EP 0221279 B1

EP 0221279 B1 19900516 - SCREW DRIVER INSERT

Title (en)

SCREW DRIVER INSERT

Publication

EP 0221279 B1 19900516 (DE)

Application

EP 86112084 A 19860901

Priority

DE 3538675 A 19851031

Abstract (en)

[origin: EP0221279A2] 1. Screwdriver bit, arranged in a screw driver chuck, with a hexagonal shank (1), one end of which abuts the bottom of the screwdriver chuck and the other free end of which runs to an end (4) forming the working tip, a turned shoulder (16) being provided in the region of the shank (1) on its circumference, against which shoulder bears a resilient securing element, arranged inside the screwdriver chuck (7), characterized in that the shoulder (16) is formed as a transition between shank (1) and a cylindrical neck (2) with a smaller cross-section, which neck in turn, relieved with a step, becomes a cylindrical section (3) in which the end (4) is headed.

IPC 1-7

B25B 15/00

IPC 8 full level

B25B 15/00 (2006.01); B25B 23/00 (2006.01)

CPC (source: EP)

B25B 15/001 (2013.01); B25B 23/0035 (2013.01)

Designated contracting state (EPC)

DE FR GB IT SE

DOCDB simple family (publication)

EP 0221279 A2 19870513; EP 0221279 A3 19871223; EP 0221279 B1 19900516; DE 3538675 A1 19870507; DE 3538675 C2 19870730; DE 3671184 D1 19900621

DOCDB simple family (application)

EP 86112084 A 19860901; DE 3538675 A 19851031; DE 3671184 T 19860901