Title:
【発明の名称】ソーチェーンを潤滑するためのポンプ装置
Document Type and Number:
Japanese Patent JP2002507496
Kind Code:
A
Abstract:
A pumping device in connection with saw chain lubrication, especially in connection with a hand-held device, e.g. a chain saw, the pumping device including a pumping house, a piston that is received in the pumping house and means to bring the piston to rotate and simultaneously perform a reciprocating motion in its longitudinal direction, the means including on one hand a worm pinion having means for driving cooperation with a prime mover and on the other hand a gear pinion mounted on the piston. The invention further relates to a worm pinion, preferably included in a device for saw chain lubrication. The invention is characterized in that the worm gear on one hand includes a spirally shaped element, prefabricated as a separate detail, and intended to cooperate with the gear pinion and on the other hand a sleeve shaped element that supports the spirally shaped element.
Inventors:
Johansson, Jorgen
Martinson, Pearl
Martinson, Pearl
Application Number:
JP2000537683A
Publication Date:
March 12, 2002
Filing Date:
March 23, 1999
Export Citation:
Assignee:
Actie Bora Get Electrolux (Puble)
International Classes:
B27B17/12; F16N13/10; (IPC1-7): B27B17/12
Attorney, Agent or Firm:
Takashi Ishida (3 others)