Tilt tower with bearing rotatably coupling swing arm to mast
AssigneeZero Climb Tower Company, LLC
InventorsEamonn Connolly, John McDade, Vinh Diep
Life of this patent
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Abstract
A tilt tower, including a mast fixed to ground and a swing arm including a tube with a hollow interior portion. The tilt tower further includes a bearing rotatably coupling the swing arm to a side of an upper end of the mast. The bearing including a bearing seat coupled to the side of the upper end of the mast; an axle coupled to an exterior surface of the respective swing arm, the axle including a hollow interior portion connected to the interior of the tube of the swing arm; and a sealed roller bearing between the axle and the bearing seat.
Claims20
A tilt tower, comprising:
- a mast fixed to ground;
- a swing arm including a tube with a hollow interior portion;
- and
- a bearing rotatably coupling the swing arm to a side of an upper end of the mast, the bearing including:
- a bearing seat coupled to the side of the upper end of the mast,
- an axle coupled to an exterior surface of the respective swing arm, wherein the axle includes a hollow interior portion connected to the interior of the tube of the swing arm, and
- a sealed roller bearing between the axle and the mast.
A tilt tower, comprising:
- a mast fixed to ground;
- a swing arm;
- and
- a bearing rotatably coupling the swing arm to a side of an upper end of the mast, the bearing including:
- a bearing seat coupled to the side of the upper end of the mast, the bearing seat including first portion including a first hemispherical bearing surface and a second portion including a second hemispherical bearing surface, wherein the first portion and the second portion collectively form a circular bearing surface,
- an axle coupled to an exterior surface of the swing arm, and
- a sealed roller bearing between the axle and the mast.
A tilt tower, comprising:
- a mast fixed to ground;
- a swing arm;
- and
- a bearing rotatably coupling the swing arm to a side of an upper end of the mast, the bearing including:
- a bearing seat coupled to the side of the upper end of the mast, the bearing seat including a first portion including a first hemispherical bearing surface and a second portion including a second hemispherical bearing surface,
- an axle coupled to an exterior surface of the first swing arm, wherein the axle includes a hollow interior portion connected to the interior of the first swing arm, and
- a sealed roller bearing between the axle and the mast.
Dependencies are inferred from the claim text.