US Patent: 595,865
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| Lens Measure
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Patentee:
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| William Harry Reisner (exact or similar names) - Hagerstown, Washington County, MD |
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Patent Dates:
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| Applied: |
Apr. 28, 1897 |
| Granted: |
Dec. 21, 1897 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for L. S. Starrett Co.
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Description: |
| Edwin Guthrie - patent attorney
Abstract:
My invention relates to lens-measures, particularly to that class of focal measures for spherical and cylindrical lenses possessing three or more relatively fixed and movable bearing-points against which a lens may be pressed, a graduated dial or annulus, a suitable hand or pointer, and intervening mechanism adapted to turn the hand upon the dial in correspondence with changes in position of the movable point or points.
Claim:
In a lens-measure, the combination of an exterior casing, a graduated dial, an inner casing, devices for moving the inner with respect to the outer casing, relatively fixed and movable pins borne by said inner casing, superior and inferior hands arranged to sweep said dial independently, mechanism supported by said inner casing and adapted to operate said superior hand, said inferior hand being attached to said inner casing, said pins, mechanism and hands partaking of the movement of said inner casing as a whole, substantially as described. |
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