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US 2019/0234039 A1Published application
Trench shield wheel assembly devoid of a transverse axle
OwnerScott Spencerinventor
Life of this patent
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Abstract
A wheel assembly for supporting a shoring shield is described, which beneficially does not require the use of an axle. The assembly may comprise a main support brace and an axle support brace, operably coupled by an upper transverse arm and a lower transverse arm pivotably connected to both support braces forming a parallel or quasi-parallel linkage. A rocker arm, coupled to a spring, may also be provided.
Claims17
A wheeled shoring shield support system comprising:
- a main support brace and an axle support, wherein a rocker arm is operably coupled to the main support brace;
- an upper transverse arm operably coupled to the main support brace and the axle support brace;
- a lower transverse arm operably coupled to the main support brace and the axle support brace;
- and
- a connector attached to the main support brace for connection to a trench shield.
2 more elements
A support system used in a wheel suspension of a trench shoring shield support comprising:
- an axle support brace and a main support brace,
- an upper transverse arm and a lower transverse arm extending between the axle support brace and the main support brace, the upper transverse arm and the lower transverse arm pivotably connected to the axle support brace and the main support brace;
- and
- a rocker arm operably coupled to the upper transverse arm and a coil spring.
1 more element
Dependencies are inferred from the claim text.