Nut locking system and electronic device comprising such nut locking system

Patent metadata

Field	Value
Publication number	US-11971065-B2
Application number	US-202117206237-A
Country	US
Kind code	B2
Filing date	Mar 19, 2021
Priority date	Apr 24, 2020
Publication date	Apr 30, 2024
Grant date	Apr 30, 2024

Abstract

A nut locking system comprising a nut, a shaft and a retaining ring, wherein the nut is connected to the shaft by means of a threaded joint, the shaft comprising a hollow section in which a body of the retaining ring is arranged, wherein the retaining ring comprises a tongue, the tongue being configured to engage the nut in response to movement of the nut relative the shaft in an axial direction thereof such that movement of the nut is restricted, wherein the tongue comprises a first tongue portion extending over an upper portion of the nut, the first tongue portion being configured to engage with the upper portion of the nut.

First claim

The invention claimed is:

1. A nut locking system comprising a nut, a shaft and a retaining ring, wherein the nut is connected to the shaft by means of a threaded joint, the shaft comprising a hollow section in which a body of the retaining ring is arranged, wherein the retaining ring comprises a tongue, the tongue being configured to engage the nut in response to movement of the nut relative the shaft in an axial direction thereof such that movement of the nut is restricted, wherein the tongue comprises a first tongue portion extending over an upper portion of the nut, the first tongue portion being configured to engage with the upper portion of the nut, the tongue further comprises a second tongue portion extending in the longitudinal direction of the shaft, interconnecting the body and the first tongue portion.

2. The nut locking system according to claim 1 , wherein the body of the retaining ring is a split ring.

3. The nut locking system according to claim 1 , wherein the body of the retaining ring is made of a resilient material.

4. The nut locking system according to claim 1 , wherein the hollow section is provided with a recess receiving a section of the body of the retaining ring.

5. The nut locking system according to claim 4 , wherein the recess is an annular groove.

6. The nut locking system according to claim 1 , wherein the tongue comprises a third tongue portion constituting a distal end section of the tongue, wherein the third tongue portion extends in the longitudinal direction of the shaft and is configured to engage an external side surface of the nut.

7. The nut locking system according to claim 6 , wherein the external side surface of the nut is provided with a groove for reception of the third tongue portion.

8. The nut locking system according to claim 1 , wherein the body and the tongue of the retaining ring are integrally formed.

9. The nut locking system according to claim 1 , wherein the threaded joint comprises an external thread of the shaft and an internal thread of the nut.

10. The nut locking system according to claim 1 , wherein the body of the retaining ring is arranged at a distance from an end of said shaft.

11. An electronic device comprising a first portion and a second portion, the first portion being attachable to a support and the second portion being attached to the first portion by means of a nut locking system; the nut locking system comprising:
a nut, a shaft and a retaining ring, the nut being connected to the shaft by a threaded joint, the shaft comprising a hollow section in which a body of the retaining ring is arranged, the retaining ring comprising a tongue which engages the nut in response to movement of the nut relative the shaft in an axial direction thereof, such that movement of the nut is restricted, wherein the tongue comprises a first tongue portion extending over an upper portion of the nut, the first tongue portion being configured to engage with the upper portion of the nut, the tongue further comprises a second tongue portion extending in the longitudinal direction of the shaft, interconnecting the body and the first tongue portion; whereby the shaft of the nut locking system is associated with the second portion of the electronic device.

12. A camera device comprising a first portion and a camera portion, the first portion being attachable to a support and the camera portion being rotatably attached to the first portion by means of a nut locking system; the nut locking system comprising:
a nut, a shaft and a retaining ring, the nut being connected to the shaft by a threaded joint, the shaft comprising a hollow section in which a body of the retaining ring is arranged, the retaining ring comprising a tongue which engages the nut in response to movement of the nut relative the shaft in an axial direction thereof, such that movement of the nut is restricted, wherein the tongue comprises a first tongue portion extending over an upper portion of the nut, the first tongue portion being configured to engage with the upper portion of the nut, the tongue further comprises a second tongue portion extending in the longitudinal direction of the shaft, interconnecting the body and the first tongue portion; whereby the shaft of the nut locking system is associated with the second camera portion of the electronic device.

Assignees

• Axis Ab

Inventors

• Bergsten Johan
• Andersson Ola
• Jakobsson Christian
• Nordkvist Kim
• Holmquist Jakob

Classifications

• F16B39/10 Primary

  by a plate, {spring, wire} or ring immovable with regard to the bolt or object {and mainly perpendicular to the axis of the bolt}(F16B39/08 takes precedence) · CPC title

• F16B39/02 Primary

  in which the locking takes place after screwing down (F16B39/01 takes precedence; split-pins, circlips, or the like for preventing relative axial movement only F16B21/10; fastening nuts by welding or riveting F16B37/06) · CPC title

• F16B37/00

  Nuts or like thread-engaging members {(specially shaped for rotations by a tool F16B23/00)} · CPC title

• F16B21/183

  internal, i.e. with spreading action · CPC title

• F16B39/20

  by means of steel wire or the like (F16B39/10 takes precedence) · CPC title