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. 18, 2024
Filed:
Mar. 08, 2023
Pratt & Whitney Canada Corp., Longueuil, CA;
Philippe Savard, Terrebonne, CA;
Guy Lefebvre, St-Bruno-de-Montarville, CA;
Remy Synnott, St-Jean-sur-Richelieu, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A service tube assembly, has: a service tube having a threaded end portion and an outer shoulder adjacent to the threaded end portion, the outer shoulder having a frustoconical shoulder face converging towards the tube axis and away from the threaded end portion; a mating part threadingly engaged by the threaded end portion, the mating part having a seat face converging towards the service tube and towards the threaded end portion; a locking member extending from a first end to a second end, the first end including a notch receiving the outer shoulder, the notch circumscribed by a frustoconical notch face abutting the frustoconical shoulder face to create a frustoconical-to-frustoconical contact surface between the locking member and the outer shoulder, the second end in abutment against the seat face; and a mechanical fastener releasably holding the locking member in abutment against both of the outer shoulder and the mating part.