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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-12589475-B2, on 31 March 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000001296

Service tool for coupling to a service port receiver associated with a gearbox

Published
Permanent URL
Classification
Tools & Tooling › Clamping Tools
Inventors
FRETWELL MARK
Assignee
WALNAB PTY LTD
Original source
US-12589475-B2, the United States Patent and Trademark Office, 31 March 2026
Document SHA-256
44732e69e85006fdfebd2f379c83b5f511fcba8a9fc70e7c55929dac92e465cd

Abstract

A service tool releasably couples to a service port receiver connected to a service port associated with a gearbox. The tool includes a coupling for releasably coupling to the service port receiver. The coupling is configured for rotational movement about the receiver between a released and engaged positions. A locking actuator couples to the coupling arrangement for axial movement between locked and unlocked positions relative to the receiver. A plunger actuator connects to the fluid conduit and is slidably coupled to the coupling arrangement for movement between open and closed positions. In the open position, with the coupling arrangement in the engaged position and the locking actuator in the locked position, the plunger actuator contacts a check valve of the service port receiver and opens it to permit fluid flow between the gearbox and the fluid conduit via a fluid pathway formed at least in part by the plunger actuator.

Publication information

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Citation

OpenTechnical Publication OT-2026-000001296, “Service tool for coupling to a service port receiver associated with a gearbox,” published September 15, 2026 at 19:04:44 UTC, https://opentechnical.org/p/OT-2026-000001296.

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Terms

This record reproduces a document published elsewhere and is provided for reference and study. Rights in the original remain with its owner. See the publication policy.