US 12,260,847 B2
Quick-release guitar tremolo sustain block, and associated assembly and method
William Woolery, Waterloo, NY (US); and Joshua Borisoff, Trumansburg, NY (US)
Assigned to Hipshot Products, Inc., Interlaken, NY (US)
Filed by Hipshot Products, Inc., Interlaken, NY (US)
Filed on Feb. 14, 2023, as Appl. No. 18/109,849.
Claims priority of provisional application 63/310,114, filed on Feb. 15, 2022.
Prior Publication US 2023/0260484 A1, Aug. 17, 2023
Int. Cl. G10D 3/153 (2020.01); G10D 1/08 (2006.01); G10D 3/04 (2020.01); G10D 3/12 (2020.01)
CPC G10D 3/153 (2020.02) [G10D 1/085 (2013.01); G10D 3/04 (2013.01); G10D 3/12 (2013.01)] 43 Claims
OG exemplary drawing
 
1. A sustain block for a guitar tremolo assembly, the sustain block extending along a block main axis from a distal end to a proximal end, the proximal end being configured to be affixed to a bridge plate element of the guitar tremolo assembly, the sustain block having a plurality of string retention bores extending therethrough in parallel with the block main axis, each string retention bore being linearly straight and having a ball capture segment and a string housing segment, the ball capture segment being located between the string housing segment and the distal end, each string retention bore having a ball detent defined between the ball capture segment and the string housing segment, the ball detent being configured to prevent a string ball end from passing from the ball capture segment into the string housing segment, each of the string retention bores being in communication with a respective string transfer slot disposed laterally thereof, the sustain block having a forward face and a rearward face disposed oppositely of one another, the forward face being configured to be oriented toward a headstock of a guitar when the bridge plate element is in pivotable engagement with a plate mounting element of the guitar.