---
publication_id: "OT-2026-000001686"
title: "Winch drum tension isolation system"
published_at: "2026-09-15T19:07:39.434511Z"
canonical_url: "https://opentechnical.org/p/OT-2026-000001686"
categories:
  - "lifting-positioning-manipulation/hoists-and-cranes"
keywords:
  - "b66d1/30"
  - "b66d5/34"
  - "b66d1/30"
  - "b66d1/54"
  - "b66d1/54"
  - "b66d2700/0183"
---

# Winch drum tension isolation system

## Abstract

20759489_1 (GHMatters) P108180.AU.1 A winch drum tension isolation system comprises: a frame; a winch drum coupled to the frame and including an outwardly extending flange, the flange including a plurality of holes spaced along the flange; and a safety release mechanism coupled to the frame that includes a pin that is selectively engageable with the plurality of holes, wherein the safety release mechanism includes a hydraulic cylinder coupled to the pin and pivotally coupled to the frame.