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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-12570504-B2, on 10 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-2026-000002149

Trolley mid-brake

Published
Permanent URL
Classification
Lifting, Positioning & Manipulation › Hoists and Cranes
Inventors
SEITHER ALEXANDER J
Assignee
UNISTRUT INT CORPORATION
Original source
US-12570504-B2, the United States Patent and Trademark Office, 10 March 2026
Document SHA-256
d6a135793c53bb229ffcc76aa608ee1b93381beea601bc9d23428576d1d9e1cf

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.

Publication information

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Citation

OpenTechnical Publication OT-2026-000002149, “Trolley mid-brake,” published September 15, 2026 at 19:11:06 UTC, https://opentechnical.org/p/OT-2026-000002149.

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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.