OPENTECHNICAL PUBLICATION
OT-2026-000002969

Lifting and jacking apparatus

Published: 2026-09-15T19:16:27.888729Z
Permanent URL: https://opentechnical.org/p/OT-2026-000002969
Categories: Lifting, Positioning & Manipulation > Hoists and Cranes

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ABSTRACT

40 A lifting bail removably insertable into and lockable in a void former, the
lifting bail comprising: a main stem insertable into the void former, the main
stem including an upwardly extending head that includes: (a) a vertically
extending inner wall that partially defines a vertically extending central
locking pin channel, (b) a horizontally extending 5 planar wall, and (c) a
vertically extending wall that extends upwardly from the planar wall, wherein
the planar wall and the vertically extending inner wall define a housing
chamber; a rotatable locking pin insertable into the void former; a locking
pin handle connected to the locking pin; a locking indicator, wherein the
housing chamber at least partially holds the locking indicator; a biasing
member journaled about the locking pin and positioned to 10 bias the locking
indicator toward a visible position to indicate that the locking pin is in a
locked position, wherein the housing chamber at least partially holds the
biasing member; and a lifting handle connected to the locking pin.

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OpenTechnical publication OT-2026-000002969
Published 2026-09-15T19:16:27.888729Z
https://opentechnical.org/p/OT-2026-000002969