US 11,988,241 B2
One-piece self-locking nut
Arnold R. Limatoc, Aiea, HI (US)
Assigned to CRUSHLOCK, INC., Chuluota, FL (US)
Filed by CRUSHLOCK, INC., Chuluota, FL (US)
Filed on Jul. 15, 2021, as Appl. No. 17/376,619.
Application 17/376,619 is a continuation of application No. 16/401,579, filed on May 2, 2019, granted, now 11,098,748.
Application 16/401,579 is a continuation of application No. 15/221,050, filed on Jul. 27, 2016, granted, now 10,323,679, issued on Jun. 18, 2019.
Application 15/221,050 is a continuation in part of application No. 14/918,035, filed on Oct. 20, 2015, granted, now 10,184,508, issued on Jan. 22, 2019.
Application 14/918,035 is a continuation in part of application No. 13/916,532, filed on Jun. 12, 2013, granted, now 9,194,421, issued on Nov. 24, 2015.
Claims priority of provisional application 61/804,693, filed on Mar. 24, 2013.
Prior Publication US 2021/0348643 A1, Nov. 11, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. F16B 39/284 (2006.01); F16B 39/02 (2006.01); F16B 39/12 (2006.01); F16B 39/286 (2006.01); F16B 39/34 (2006.01)
CPC F16B 39/34 (2013.01) [F16B 39/026 (2013.01); F16B 39/122 (2013.01); F16B 39/284 (2013.01); F16B 39/286 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A self-locking nut comprising:
a main-nut body having a front surface leading into an interior threaded bore forming x turns of an internal thread therein and a recess in the front surface, the front surface extending along an outer perimeter of the main-nut body, the recess leading into the interior threaded bore; and
a deformable-nut body having a central body portion defining an interior threaded bore forming y turns of an internal thread therein and an outer flange extending outwardly from the central body portion, wherein the deformable nut body includes an inclined front face and an inclined rear face such that the central body portion is thicker than the outer flange,
wherein the outer flange of the deformable-nut body is fixed to the front surface of the main-nut body such that a relief space is formed between the deformable-nut body and the main-nut body,
wherein a first portion of the deformable-nut body is contained in the recess prior to installation of the self-locking nut on a threaded bolt shaft, and a second portion of the deformable-nut body is adapted to be contained in the recess after the installation, the second portion having a larger volume than the first portion.