Patent · US Active

Drilling machine

US8037948B2 · kind B2 · utility

2Cited by

7References

20Claims

0Family size

Assignee

HUSQVARNA · SE

Inventors

Mari Albinsson · Gothenburg, SE
Klas Nordgren · Gothenburg, SE
Ulf Petersson · Tollered, SE

Key dates

Filing date	Aug 31, 2007
Grant date	Oct 18, 2011
Priority date	—
Expiry date	Mar 22, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/44
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A drilling machine includes a motor housing, a gear box housing, a shaft driven by the motor and extending into the gear box housing, a drilling shaft extending through the gear box housing and having an outgoing channel arranged in the drilling shaft for supply/removal of a drill flow medium to/from a tool part that is connectable to the drilling shaft, a drill flow medium room, between the motor housing and gear box housing, that can be supplied with drill flow medium when the drilling machine is in operation, and an incoming drill flow medium conduit for the supply/removal of the drill flow medium to/from the drill flow medium room. The motor housing includes a detachable end cover which forms the rear unit of the drilling machine. The gear box housing includes a detachable end cover that forms the front unit of the drilling machine.

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