{
  "abstract": "Disclosed is trolley brake and an assembly including a trolley brake. In some embodiments, the assembly may include a channel member, and a trolley body having a first portion positioned within an interior of the channel member and a second portion extending from the channel member. The assembly may further include a locking device coupled to the trolley body, the locking device including a main body coupled to the second portion of the trolley body, a bar extending through the main body, wherein the bar is rotatable about a central axis, and a stopper coupled to a first end of the bar, wherein the stopper comprises a magnetic material. In a first position of the bar and the stopper, the stopper is in direct physical contact with the channel member, and in a second position of the bar and the stopper, a gap is present between the stopper and the channel member.",
  "assignees": [
    "UNISTRUT INT CORPORATION"
  ],
  "authors": [
    "SEITHER ALEXANDER J"
  ],
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  "published_at": "2026-09-15T19:11:06.587103Z",
  "publisher": "Nebula Innovations Limited",
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  "source_date": "2026-03-10",
  "source_id": "US-12570504-B2",
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  "supersedes": null,
  "title": "Trolley mid-brake",
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