IP Library Granted Patent US 11,652,339
Granted Patent B2
US 11,652,339 · App. 17/383,207 · Granted May 16, 2023

Press fitting for electrical conduit

Inventors: Joseph E. Platt (Baldwinsville, NY); Bradford J. Morse (Syracuse, NY); Matthew Pernot (Kirkville, NY)
Assignee: EATON INTELLIGENT POWER LIMITED
H02G3/065F16L13/142F16L37/091H02G1/08H02G3/22
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Quick Facts
Patent No.
US 11,652,339
App. No.
17/383,207
Granted
May 16, 2023
Kind
B2
Abstract

A press fitting for an electrical conduit includes a fitting body and a press connector in a press-connection section of the fitting body to allow press-fit connection to a conduit. A conduit retainer in a conduit retainer section of the fitting body releasably grips and removably retains the electrical conduit in the fitting body before the press-connection section is deformed radially inward during the press connection process.

Claims (19)

1. A press fitting for an electrical conduit comprising:

a fitting body having first and second open ends, and an interior surface defining a passage adapted to receive a piece of the electrical conduit therein, the fitting body including a press-connection section that is deformable radially inward during a press connection process and a conduit retainer section defining an inner dimension that is smaller than an inner dimension of the press-connection section;

a press connector in the passage at the press-connection section of the fitting body, the press connector including teeth adapted to engage the piece of electrical conduit received in the passage when the press-connection section is deformed radially inward during the press connection process; and

a conduit retainer in the passage at the conduit retainer section of the fitting body, the conduit retainer configured to releasably grip and removably retain the piece of electrical conduit in the fitting body before the press-connection section is deformed radially inward during the press connection process;

wherein the conduit retainer includes at least one detent adapted to engage the piece of electrical conduit in the fitting body to releasably grip and removably retain the piece of electrical conduit in the fitting body.

2. The press fitting set forth in claim 1 , wherein the at least one detent is resiliently deflectable upon engagement with the piece of electrical conduit in the fitting body.

3. The press fitting set forth in claim 2 , wherein the at least one detent includes a plurality of detents.

4. The press fitting set forth in claim 3 , wherein the conduit retainer has a generally cylindrical shape having opposite first and second open longitudinal ends, a longitudinal socket for receiving the piece of electrical conduit, and an axis extending through the longitudinal socket between the first and second open longitudinal ends.

5. The press fitting set forth in claim 4 , wherein the detents comprise first detents and second detents, wherein the first detents define a first effective inner diameter of the conduit retainer, and wherein the second detents define a second effective inner diameter of the conduit retainer that is less than the first effective inner diameter.

6. The press fitting set forth in claim 1 , wherein the conduit retainer comprises an annular body.

7. The press fitting set forth in claim 1 , wherein the conduit retainer includes a plurality of conduit retainers.

8. The press fitting set forth in claim 1 , further comprising a gasket in the press-connection section of the fitting body configured to seal with the piece of electrical conduit when the press-connection section is deformed radially inward during the press connection process.

9. The press fitting set forth in claim 8 , further comprising a separator in the press-connection section of the fitting body configured to separate the gasket and the press connector.

10. The press fitting set forth in claim 1 , wherein the conduit retainer comprises two conduit retainers arranged as mirror images about a central transverse plane of the fitting body.

11. The press fitting set forth in claim 1 , wherein at least a portion of the conduit retainer section of the fitting body has a cross-sectional diameter that tapers in a direction away from the press-connection section.

12. The press fitting set forth in claim 11 , wherein the conduit retainer section of the fitting body has a uniform section adjacent the press-connection section and having a uniform cross-sectional diameter, said portion of the conduit retainer section comprising a tapering section having a cross-sectional diameter that tapers.

13. The press fitting set forth in claim 12 , wherein the conduit retainer section of the fitting body has a transition section disposed between and interconnecting the uniform and tapering sections, wherein the transition section defines a stop to limit insertion of the piece of electrical conduit into the socket.

14. The press fitting set forth in claim 13 , wherein the press-connection section has an inner cross-sectional diameter that it greater than the uniform cross-sectional diameter and the tapering cross-sectional diameter of the conduit retainer section of the fitting body.

15. The press fitting set forth in claim 11 , further comprising a gasket in the press-connection section of the fitting body configured to seal with the piece of electrical conduit when the press-connection section is deformed radially inward during the press connection process.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 30, 2021
From: PLATT, JOSEPH E.; MORSE, BRADFORD J.; PERNOT, MATTHEW
To: COOPER TECHNOLOGIES COMPANY
Reel/Frame 057037/0740 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 30, 2021
From: COOPER TECHNOLOGIES COMPANY
To: EATON INTELLIGENT POWER LIMITED
Reel/Frame 057037/0794 →
Continuity (2)
Continuation 15692850 · Aug 31, 2017
Related Publication 20210351576A1 · Nov 11, 2021