Davit arm
First Claim
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1. A davit arm system comprising:
- an anchor fixedly attached to a building, the anchor comprising an anchor aperture;
a davit body attached to the anchor, said davit body having a length and comprising a mounting portion, a tension line and a mount, the mount moveable along the length of the davit body, the mount comprising a receptacle that defines a cavity, the tension line arranged to move the mount along the length of the davit body as the tension line is shortened, the mounting portion arranged to engage the anchor, the mounting portion comprising a body aperture, the body aperture aligned with the anchor aperture; and
an arm attached to the mount and supported by said davit body, a portion of the arm oriented in the cavity, a longitudinal axis of said arm oriented perpendicular to a longitudinal axis of said davit body, said arm moveable along the length of the davit body with the mount.
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Abstract
In some embodiments, a davit arm system comprises a davit body arranged to engage a support and an arm supported by the davit body. The arm is moveable along a length of the davit body. In some embodiments, a bearing is oriented between said arm and said davit body. In some embodiments, a bearing a polymer sleeve. In some embodiments, a bearing comprises rollers. In some embodiments, a bearing comprises ball transfer bearings. In some embodiments, a bearing excludes moving parts.
15 Citations
19 Claims
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1. A davit arm system comprising:
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an anchor fixedly attached to a building, the anchor comprising an anchor aperture; a davit body attached to the anchor, said davit body having a length and comprising a mounting portion, a tension line and a mount, the mount moveable along the length of the davit body, the mount comprising a receptacle that defines a cavity, the tension line arranged to move the mount along the length of the davit body as the tension line is shortened, the mounting portion arranged to engage the anchor, the mounting portion comprising a body aperture, the body aperture aligned with the anchor aperture; and an arm attached to the mount and supported by said davit body, a portion of the arm oriented in the cavity, a longitudinal axis of said arm oriented perpendicular to a longitudinal axis of said davit body, said arm moveable along the length of the davit body with the mount. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of using a davit arm system comprising:
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providing a davit body having a length, said davit body comprising a mounting portion and a mount, the mount moveable along the length, the mount comprising a receptacle that defines a cavity, the mounting portion comprising a first body aperture and a second body aperture; attaching said davit body to an anchor that is fixedly attached to a building, the anchor comprising a first anchor aperture and a second anchor aperture, said attaching comprising aligning said first body aperture with said first anchor aperture and installing a pin through the first body aperture and the first anchor aperture; raising the davit body by rotating the davit body about the pin, aligning the second body aperture with the second anchor aperture and installing a second pin through the second body aperture and the second anchor aperture; providing an arm, orienting a portion of said arm in the cavity of the receptacle and attaching the arm to the mount; and raising said arm by moving said mount along said length of said davit body from a first position to a second position. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification