Viewing device for a bubble level
First Claim
1. Apparatus for use in conjunction with a bubble level of the type having at least one bubble indicator mounted between two opposed windows of a bubble housing, the apparatus includinga base member, containing a luminescent panel therein, being arranged to seat in contact against one of the windows of the bubble housing whereby the panel illuminates the bubble region,a post affixed normal to the base and extending upwardly beyond the opposite window of the bubble housing,a light shield having a central aperture therein slidably mounted upon the post and being arranged to be moved into seating contact against the opposite window of the bubble window whereby the bubble indicator is readable through said aperture, anda viewing mirror adjustably pivotally mounted upon said light shield so that the illuminated bubble region within said aperture is viewable through said mirror.
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Accused Products
Abstract
A viewing device for use in conjunction with a level of the type having a see through bubble housing comprising two opposed windows and a bubble chamber situated therebetween. The device includes a base containing a luminescent panel that is arranged to seat in contact against one of the bubble housing windows whereby the panel illuminates the bubble chamber, a post perpendicularly secured to the base and extending upwardly beyond the other bubble housing window and a light shield slidably mounted upon the post and being arranged to seat in locking engagement against the other bubble window, the light shield containing a viewing aperture through which the bubble chamber can be seen and a mirror adjustably supported in the shield to permit off axis reading of the bubble.
25 Citations
8 Claims
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1. Apparatus for use in conjunction with a bubble level of the type having at least one bubble indicator mounted between two opposed windows of a bubble housing, the apparatus including
a base member, containing a luminescent panel therein, being arranged to seat in contact against one of the windows of the bubble housing whereby the panel illuminates the bubble region, a post affixed normal to the base and extending upwardly beyond the opposite window of the bubble housing, a light shield having a central aperture therein slidably mounted upon the post and being arranged to be moved into seating contact against the opposite window of the bubble window whereby the bubble indicator is readable through said aperture, and a viewing mirror adjustably pivotally mounted upon said light shield so that the illuminated bubble region within said aperture is viewable through said mirror.
Specification