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:
Jul. 12, 2011
Filed:
May. 13, 2009
Chang Kyu Bok, Gwangmyeong-si, KR;
Jang Chun Kong, Changwon-si, KR;
Chang Kyu Bok, Gwangmyeong-si, KR;
Jang Chun Kong, Changwon-si, KR;
Hyundai Motor Company, Seoul, KR;
Samsong Industries, Ltd., Seoul, KR;
Abstract
A seat belt pretensioner may include a cylinder, a piston slidably disposed in the cylinder, a gas generator installed to rear end portion of the cylinder and configured to supply a propellant gas to the piston for moving the piston in a forward direction, a first direction conversion unit disposed between the gas generator and the piston and connected to the cylinder, and a coupling member for coupling a seat belt and the piston, wherein a portion of the coupling member is engaged with the first direction conversion unit so as to change a movement direction of the coupling member while the piston moves in the forward direction, and a reward movement restriction member configured to restrict a rearward movement of the piston while the piston moves in the forward direction by the propellant gas of the gas generator.