Patent · US Active

Ejection device

US8141745B2 · kind B2 · utility

0Cited by

10References

4Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Christian Hefele · Johanngeorgenstadt, DE
Rainer Strobel-Schmidt · Bad Wörishofen, DE
Ingo Loeschky · Kaufering, DE
Franz Heiberger · Lützen, DE
Peter Ostermeier · Dießen, DE

Key dates

Filing date	Oct 10, 2008
Grant date	Mar 27, 2012
Priority date	—
Expiry date	Dec 21, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05C17/0103
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

An ejection device for a mass-containing package (12) includes at least one piston rod (16) having a toothing (17) extending along its longitudinal extent, and a drive unit (21; 41) for displacing the at least one piston rod (16) and having at least one gear wheel (24; 44) engageable with the toothing (17) of the at least one piston rod (16) and displaceable from a first position, in which it engages the toothing (17) of the at least one piston rod (16), to a position in which it is disengaged from the toothing (17) of the at least one piston rod, and a drive motor (22) for driving the at least one gear wheel (24; 44).

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