Metal working – Means to assemble or disassemble – Means comprising hand manipulatable tool
Patent
1979-06-28
1981-02-10
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Means comprising hand manipulatable tool
33181R, B25B 2714
Patent
active
042492947
ABSTRACT:
An optical alignment device for aligning the pulleys of a belt drive system in three planes. The device includes first and second members releasably attachable to each pulley. The first member mounts a target device having horizontal and vertical alignment markings corresponding to the centerline of the pulley. The second member mounts a viewing device having horizontal and vertical alignment markings corresponding to the centerline of the other pulley. The target is seen in the viewing device, when the horizontal and vertical markings of the viewing device and the target are superimposed, the pulleys will be in alignment in the horizontal, vertical and angular planes. A projector may be used in place of the viewing device to project a beam of light on the target in a second preferred embodiment of the invention.
REFERENCES:
patent: 685455 (1901-10-01), Kinkead
patent: 2256527 (1941-09-01), Ring
patent: 3901604 (1975-08-01), Butler
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