US Patent: 5,775,184
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| Indexable wrenches
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Patentee:
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| James Ellis Cole (exact or similar names) - Dallas, TX |
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Patent Dates:
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| Applied: |
Jun. 16, 1997 |
| Granted: |
Jul. 07, 1998 |
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Patent Pictures:
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Patent 5,775,184 - selected edited drawing |
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Stan Schulz
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Description: |
| The application and patent evolved from the original application resulting in patent 5,419,221. Both patents were licensed to Snap-On.
Claim 1: "1. A tool comprising: a tool head including a first orifice having a first longitudinal axis and a first curved surface at a predetermined radial distance from the first longitudinal axis, the first curved surface including a first plurality of splines disposed parallel to the first longitudinal axis; a handle including a second orifice having a second longitudinal axis, the first and second longitudinal axes being coaxial, and a second curved surface, the second curved surface being disposed of a predetermined radial distance from the second longitudinal axis and including a second plurality of splines configured to engage the first plurality of splines; a connecting pin disposed in the first and second orifices and connecting the tool head and the handle; the connecting pin being rigidly attached to a first one of the tool head and the handle, a second one of the tool head and the handle being slidable between a locked position and an unlocked position on the connecting pin; in the unlocked position, the second one being free to rotate completely about the connecting pin; and in the locked position, the first plurality of splines engaging the second plurality of splines to rotationally lock the handle to the tool head."
Prior art patents cited as references: 928,375, 1,109,032, 1,568,442, 1,840,685, 2,921,773, 4,145,124, 4,184,783, 4,281,601, 4,406,186, 4,582,445, 4,747,328, 4,794,829, 4,929,113}, 5,197,817} and 5,581,838.
Compare subsequent patent 6,101,907. |
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