Blind rivet setting tool

Patent metadata

Field	Value
Publication number	US-12539536-B2
Application number	US-202318152357-A
Country	US
Kind code	B2
Filing date	Jan 10, 2023
Priority date	Feb 22, 2022
Publication date	Feb 3, 2026
Grant date	Feb 3, 2026

Abstract

A blind rivet setting tool including a clamping assembly for releasably clamping a nosepiece in place such that a blind rivet can bear against the nosepiece while the mandrel thereof is pulled; and a method of changing nosepieces using the clamping assembly.

First claim

What is claimed is:

1 . A blind rivet setting tool, comprising:
a jaw housing having a threaded outer surface at a distal end thereof and an abutment with an annular surface portion that extends in a plane orthogonal to a longitudinal axis of the blind rivet setting tool to define a first nosepiece receiving opening; a nosepiece releasably attached in the first nosepiece receiving opening, the nosepiece having a channel through which a mandrel of a blind rivet is received, and a recess with a hole in communication with the channel and configured to receive a ball configured to partially protrude through the hole into the channel to grip the mandrel; a pullback hull arranged in the jaw housing for axial movement with respect thereto; gripping jaws arranged in the pullback hull and moveable by the pullback hull to pull the mandrel to be set in use; and a clamp having a cap partially surrounding the pullback hull for releasable connection with the jaw housing to releasably clamp the nosepiece between the clamp and the gripping jaws in a manner that enables the blind rivet to bear against the nosepiece while the mandrel is pulled.

2 . The blind rivet setting tool of claim 1 , wherein the cap comprises:
a first cap portion that defines a threaded inner surface, a second cap portion having an internal cross-section which decreases in diameter in a direction away from the threaded inner surface, and a third cap portion having an inwardly extending annual lip defining a second nosepiece receiving opening.

3 . The blind rivet setting tool of claim 2 , wherein the threaded inner surface is configured for threaded engagement with the threaded outer surface of the jaw housing.

4 . The blind rivet setting tool of 3 , wherein the threaded outer surface comprises male threading.

5 . The blind rivet setting tool of claim 2 , wherein the threaded inner surface comprises female threading.

6 . The blind rivet setting tool of claim 2 , wherein the nosepiece further has an annular wall defining a first nosepiece surface and a second nosepiece surface that are in a plane orthogonal to a longitudinal channel axis.

7 . The blind rivet setting tool of claim 6 , wherein the releasable connection between the jaw housing and the clamp causes engagement of the first nosepiece surface with the jaw housing.

8 . The blind rivet setting tool of claim 6 , wherein the releasable connection between the jaw housing and the clamp causes engagement of the second nosepiece surface with the inwardly extending annular lip.

9 . The blind rivet setting tool of claim 6 , wherein the inwardly extending annular lip urges against the second nosepiece surface when the threaded inner surface of the cap is threaded onto the threaded outer surface of the jaw housing.

10 . The blind rivet setting tool of claim 9 , wherein the first nosepiece surface is brought into engagement with the annular surface portion of the jaw housing when the threaded inner surface of the cap is threaded onto the threaded outer surface of the jaw housing.

11 . The blind rivet setting tool of claim 6 , wherein the longitudinal channel axis aligns with the longitudinal axis of the blind rivet setting tool.

12 . The blind rivet setting tool of claim 6 , wherein the second nosepiece surface is on an opposite side of the first nosepiece surface in a longitudinal direction of the blind rivet setting tool.

13 . The blind rivet setting tool of claim 1 , wherein the nosepiece further has an annular ramped surface that is configured to engage a ramped surface of the gripping jaws.

14 . The blind rivet setting tool of 1 , wherein the clamp is engaged by threaded engagement of the cap to the jaw housing.

15 . The blind rivet setting tool of 14 , wherein the clamp is disengaged by threaded disengagement of the cap from the jaw housing.

16 . The blind rivet setting tool of 1 , wherein the clamp is engaged by rotating the cap relative to the jaw housing in a first direction to form a threaded engagement of the cap to the jaw housing.

17 . The blind rivet setting tool of 16 , wherein the clamp is disengaged by rotating the cap relative to the jaw housing in a second direction to produce a threaded disengagement of the cap from the jaw housing.

18 . A blind rivet setting tool, comprising:
a jaw housing having a threaded outer surface at a distal end thereof and an abutment with an annular surface portion that extends in a plane orthogonal to a longitudinal axis of the blind rivet setting tool to define a first nosepiece receiving opening; a nosepiece received in the first nosepiece receiving opening, the nosepiece having a channel through which a mandrel of a blind rivet is received, and a recess with a hole in communication with the channel and configured to receive a ball configured to partially protrude through the hole into the channel to grip the mandrel; an axially moveable pullback hull; gripping jaws, arranged in the pullback hull and moveable by the pullback hull to pull the mandrel to be set in use, the gripping jaws having a ramped surface configured to be engaged by the nosepiece; a motor and a torque transmission for causing the gripping jaws to grip and pull the mandrel of the blind rivet; and a clamp having a cap partially surrounding the pullback hull to releasably clamp the nosepiece between the clamp and the gripping jaws in a manner that enables the blind rivet to bear against the nosepiece while the mandrel is pulled, the cap having a threaded inner surface for threaded engagement with the threaded outer surface of the jaw housing and an inwardly extending annual lip defining a second nosepiece receiving opening that urges against a surface of the nosepiece when the threaded inner surface of the cap is threaded onto the threaded outer surface of the jaw housing.

19 . A blind rivet setting tool, comprising:
a jaw housing having a threaded outer surface at a distal end thereof and an abutment with an annular surface portion that extends in a plane orthogonal to a longitudinal axis of the blind rivet setting tool to define a first nosepiece receiving opening; a nosepiece received in the first nosepiece receiving opening, the nosepiece having a channel through which a mandrel of a blind rivet is received, and a recess with a hole in communication with the channel and configured to receive a ball configured to partially protrude through the hole into the channel to grip the mandrel; an axially moveable pullback hull; gripping jaws, arranged in the pullback hull and moveable by the pullback hull to pull the mandrel to be set in use, the gripping jaws having a ramped surface configured to be engaged by a ramped surface of the nosepiece; a motor and a torque transmission for causing the gripping jaws to grip and pull the mandrel of the blind rivet; and a clamp having a cap partially surrounding the pullback hull to releasably clamp the nosepiece between the clamp and the gripping jaws in a manner that enables the blind rivet to bear against the nosepiece while the mandrel is pulled, the cap having a threaded inner surface configured for threaded engagement with the threaded outer surface of the jaw housing to bring a nosepiece surface into engagement with the annular surface portion of the jaw housing.

Assignees

• Black & Decker Inc

Inventors

• Bardaré Luca
• Heep Tobias
• Bhikadiya Kevin
• Akbaba Yasar
• Libera Philipp
• Schmidt Benjamin

Classifications

• B21J15/26

  operated by rotary drive, e.g. by electric motor · CPC title

• B21J15/386

  Pliers for riveting · CPC title

• B21J15/383

  Hand tools for riveting · CPC title

• B21J15/326

  Broken-off mandrel collection · CPC title

• B21J15/32

  Devices for inserting or holding rivets in position with or without feeding arrangements · CPC title