Shaft cover for a quiet garage door hinge
AssigneeAssa Abloy Entrance Systems AB
InventorsRony Gracius, John David Amundson, JR.
Life of this patent
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Abstract
A hinge for operably coupling panels of a garage door may include a first leaf assembly, a second leaf assembly, a tubular pivot support operably coupling the first leaf assembly to the second leaf assembly, a shaft cover, and a roller assembly. The roller assembly may include a roller and a shaft. The shaft may be configured to pass through the tubular pivot support with the shaft cover disposed between the shaft and the tubular pivot support. The shaft cover may include a substantially cylindrically shaped shaft cover body extending from a first axial end to a second axial end of the shaft cover, and a relief slot formed in the shaft cover body extending from the first axial end to the second axial end.
Claims20
A hinge for operably coupling panels of a garage door, the hinge comprising:
- a first leaf assembly;
- a second leaf assembly;
- a tubular pivot support operably coupling the first leaf assembly to the second leaf assembly;
- a shaft cover;
- and
- a roller assembly,
- wherein the roller assembly comprises a roller and a shaft, the shaft being configured to pass through the tubular pivot support with the shaft cover disposed between the shaft and the tubular pivot support, and
- wherein the shaft cover includes a substantially cylindrically shaped shaft cover body extending from a first axial end to a second axial end of the shaft cover, and a relief slot formed in the shaft cover body extending from the first axial end to the second axial end.
A shaft cover for lubricating a hinge of a garage door, the hinge comprising a first leaf assembly, a second leaf assembly, a tubular pivot support operably coupling the first leaf assembly to the second leaf assembly, and a roller assembly comprising a roller and a shaft, the shaft cover comprising:
- a first axial end;
- a second axial end;
- a substantially cylindrically shaped shaft cover body extending from the first axial end to the second axial end;
- and
- a relief slot formed in the shaft cover body extending from the first axial end to the second axial end, the shaft cover being configured for insertion between the shaft and the tubular pivot support.
Dependencies are inferred from the claim text.