Propeller retention means

• US 3,144,909 A
• Filed: 02/09/1962
• Issued: 08/18/1964
• Est. Priority Date: 02/09/1962
• Status: Expired due to Term

• Current Assignee: Dexter R. Hart, Moebius Kurt O W
• Original Assignee: Dexter R. Hart, Moebius Kurt O W
• Inventors: Hart, Dexter R., MOEBIUS KURT O W
• Application Number:
  US04/172,278
• Time in Patent Office: 921 Days
• US Class Current: 403/355
• CPC Class Codes: B63H 1/20 Hubs; Blade connections
• CPC Class Codes: B63H 2023/342 comprising couplings, e.g. resilient couplings; Couplings therefor
• CPC Class Codes: Y10T 403/7018 including separably interposed key

Claims

1. IN A MARINE ENGINE HAVING A PROPELLER SHAFT, A PROPELLER HUB MOUNTED ON SAID SHAFT, SAID SHAFT HAVING A SHOULDER THEREON FACING THE HUB, A RETAINER FOR PROHIBITING AXIAL MOVEMENT OF THE PROPELLER HUB ALONG THE PROPELLER SHAFT, WHICH COMPRISES AN ANNULAR RETENTION MEMBER ENCIRCLING THE SHAFT ADJACENT THE SHOULDER, SAID RETENTION MEMBER HAVING A SLOT EXTENDING RADIALLY THERETHROUGH, SAID SLOT BEING REDUCED IN WIDTH BY A SHOULDER NEAR THE OUTER PERIPHERY OF THE RETENTION MEMBER, A USHAPED RETENTION CLIP HELD IN SAID SLOT FOR RADIAL SLIDING MOVEMENT BETWEEN A LOCKING POSITION WITH THE LEGS OF THE CLIP ENGAGING AGAINST SAID FIRST MENTIONED SHOULDER AND A RADIALLY OUTWARD SHOULDER RELEASING POSITION ALLOWING AXIAL MOVEMENT OF THE RETENTION CLIP, AND SAID CLIP LEGS HAVING PORTIONS SPACED APART GREATER THAN THE WIDTH OF SAID SLOT REDUCED PORTION PROHIBITING COMPLETE OUTWARD REMOVAL OF THE CLIP FROM THE RETENTION MEMBER.