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:
Jun. 11, 1996
Filed:
May. 22, 1995
Richard Lin, Taipei, TW;
Other;
Abstract
A coupling device including a tubular member, a locking member engaged with the tubular member, a sleeve made of polymer which will become soft at at temperature between 240-300 degrees F. and fitted within the tubular member, a spindle engaged with the tubular member with its coupling nose fitted into the sleeve, an inner seat formed at an end with a concave recess adapted to receive the spherical surface of the spindle and at another end with a cylindrical opening coaxial with the concave recess and adapted to receive the cylindrical head of the spindle, an outer seat put over the inner seat and adapted to engage with a cylinder valve, and a plug fitted on the spindle, whereby the coupling device will automatically shut off the gas flow passage in the event that the temperature exceeds a safety standard.