US 12,327,986 B2
Unitary fastener and cable guidance devices for helicopter block pulleys and methods of assembly and use
Anthony Pickart, Janesville, WI (US); Edward Youngerman, St. Charles, IL (US); Servando Torres, Addison, IL (US); and Andrew Finn, Elmhurst, IL (US)
Assigned to Tallman Equipment Co., INC., Columbus, IN (US)
Filed by Tallman Equipment Co., INC., Columbus, IN (US)
Filed on Nov. 25, 2020, as Appl. No. 17/105,444.
Claims priority of provisional application 62/942,175, filed on Dec. 1, 2019.
Prior Publication US 2021/0167585 A1, Jun. 3, 2021
Int. Cl. H02G 1/04 (2006.01); B65H 57/14 (2006.01)
CPC H02G 1/04 (2013.01) [B65H 57/14 (2013.01); B65H 2701/34 (2013.01); B65H 2701/36 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A unitary fastener and cable guidance device, the device comprising:
a pair of discs, each disc comprising an inner side, an outer side, a disc rim, and a disc hub forming an annular depression between the pair of discs, the annular depression defining a minimum outer diameter about an axis, wherein each inner side extends inward toward the minimum outer diameter, such that the annular depression forms a hyperbolic shape;
a cantilevered axle comprising an outer axle diameter, an outer end, and an opposing inner end integral to the outer side of one of the discs, the cantilevered axle having a threaded axle borehole formed therein about the axis; and
a cavity comprising an axially extending wall comprising a hexagonal shape formed in the outer side of the other disc;
the outer axle diameter being equal to or greater than the minimum outer diameter
wherein the pair of discs, the cantilevered axle, and the cavity are monolithic.