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:
Feb. 04, 2003
Filed:
Aug. 08, 2000
Delphi Automotive Systems Sungwoo Corporation, Seoul, KR;
Abstract
A pretensioner comprises a pyrotechnic force generating device including a horizontal tube with a propellent charged cartridge, a housing receiving one end of the cylinder with the horizontal tube being supported to cooperate with the force generating device in order to reverse-rotate the reel; a force transmitting portion including an arm positioned in a first chamber of the housing, one end of which is directed to the piston in the cylinder and the other end of which is extended out of the cylinder, a pulley rotatably mounted on the other branched end of the arm and a cable fixed at one end to the housing, passed through the pulley, wound around the clutch disk and fixed at the other end to the clutch disk; and a pretensioner positioned in a second chamber, which comprises the clutch disk and a clutch portion, in which the clutch disk includes a circular groove formed around the periphery thereof to allow a length of the cable to be wound thereon, a plurality of second coupling projections each having a right-angled surface toward one direction and a slanted surface toward the other direction, at least three of coupling grooves cut out at one side in a right-angle and at the other side in a slant angle and a first fixing groove formed to fix the other end of the cable, and the clutch portion includes at least three of first coupling projections forming a slanted surface at one side and a right-angled surface at other side for cooperating with the coupling grooves and a plurality of third coupling projections or concaved grooves formed at the positions facing to the second coupling projections on one side surface of the reel.