Laser-guided positioning device
A positioning device for enabling a user to accurately position the outermost end of an extendable member, such as an extension ladder, relative to a fixed, elevated position. The device includes laser light sources that provide angularly disposed laser light beams that terminate at desired points w...
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| creator | Carl, Keith D |
| description | A positioning device for enabling a user to accurately position the outermost end of an extendable member, such as an extension ladder, relative to a fixed, elevated position. The device includes laser light sources that provide angularly disposed laser light beams that terminate at desired points when the outermost end of the extendable member is adjacent to the desired end position. A first laser light beam is arranged to extend parallel to the longitudinal axis of the extendable member, and a second laser light beam is arranged to extend at a predetermined angle relative to the first laser light beam. |
| format | Patent |
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| language | eng |
| recordid | cdi_uspatents_grants_07984557 |
| source | USPTO Issued Patents |
| title | Laser-guided positioning device |
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