The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 1985
Filed:
Mar. 09, 1984
Barry Lundstrom, Skellefte.ang., SE;
Fumex AB, Skellefte.ang., SE;
Abstract
A device for spot or local extraction of polluted air, dust and other gases and particles from a room, comprising a flexible hose connected to a suction pipe or fan and a supporting member carrying the hose and mounted on a wall or other preferably vertical surface in the room for pivotal movement about a preferably vertical axle. For achieving great range independently of the ceiling height in the room, in which the device is to be used, the supporting member comprises a hinged supporting arm, which is pivotal about said axle, and each joint axle of which is located in parallel with said axle, and an operating arm, which by a friction joint is connected to the outer end of the supporting arm for movement about an axle perpendicular in relation to the joint axle or axles of the supporting arm.