US Patent: 720,040
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| Camera
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Patentee:
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| Harvey W. Locke (exact or similar names) - Rochester, Monroe County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 28, 1902 |
| Granted: |
Feb. 10, 1903 |
USPTO (New site tip)
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Joel Havens
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Description: |
| Claim:
In a camera, a lens-frame support having guideways, a lens-frame having two blocks, one of which is movable, a spring for pressing said movable block toward the other for clamping said ways, and a cam having a stationary bearing in the lens-frame for moving said movable block away from the other. |
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