Patent · US Active

Rotary tool with multiple tool attachment interfaces

US8366122B2 · kind B2 · utility

3Cited by

9References

11Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Siew Yuen Lee · Bukit Mertajam, MY
Mohsein Wan · Bukit Mertajam, MY
Chi Hoe Leong · Air Itam, MY
Manfred Lutz · Schweinfurt, DE

Key dates

Filing date	Sep 23, 2008
Grant date	Feb 5, 2013
Priority date	—
Expiry date	Dec 7, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T279/29
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A rotary tool has an output shaft having an axis of rotation and a distal neck portion which has at least three neck faces that do not intersect the axis of rotation, and a substantially U-shaped spring element having a base portion and two leg portions, wherein the spring element straddles the distal neck portion.

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