Reflecting lighted level

Details Reflecting lighted level Reflecting lighted level

2005-02-08

2005-02-08

Bennett, G. Bradley (Department: 2859)

Geometrical instruments

Indicator of direction of force traversing natural media

With viewing aid

C033S379000

Reexamination Certificate

active

06851200

ABSTRACT:
A reflecting lighted level (10) for facilitating leveling of an object, the reflecting lighted level (10) broadly comprising a generally frustoconically-shaped vial (12) having first and second exterior surfaces (22,24) and an internal angled reflecting surface (26); a light source (14) for emitting light; a light tube (16) for focusing or concentrating the emitted light towards the vial (12); a base (18) for supporting the vial (12); and a power source (20) for powering the light source (14). The internal angled reflecting surface (26) within the vial (12) is positioned at a generally 45° angle for reflecting light. The light source (14), a light emitting diode (“LED”), is centrally positioned relative to the vial (12). The light tube (16) is positioned proximate to the first exterior surface (22) of the vial (12), such that the light tube (16) is positioned between the light source (14) and the vial (12). The light source (14) is then partially positioned within the light tube (14). The light emitted by the light source (14) is transmitted through the light tube (16) and exits the light tube (16) in a concentrated beam. The beam of light is then incident on the first exterior surface (22) of the vial (12). If the level (10) is level, the beam of light reflects off of the internal angled reflecting surface (26) at a generally 90° angle and exits the second exterior surface (24) of the vial (12) in a generally concentrated beam so that a user of the level (10) may determine from a distance whether the level (10) is level. If the level (10) is unlevel, the concentrated beam of light incident on the first exterior surface (22) of the vial (12) is diffused throughout the vial (12), and the user sees little or no light, thus recognizing that the level (10) is unlevel.

REFERENCES:
patent: 2790069 (1957-04-01), Alexander
patent: 3114507 (1963-12-01), Henry
patent: 3192375 (1965-06-01), Olson
patent: 3584212 (1971-06-01), Hansen
patent: 4154000 (1979-05-01), Kramer
patent: 4164077 (1979-08-01), Thomas
patent: 4407075 (1983-10-01), MacDermott et al.
patent: 4484393 (1984-11-01), LaFreniere
patent: 4610094 (1986-09-01), Robson et al.
patent: 4755801 (1988-07-01), Gooley
patent: 4833788 (1989-05-01), Munro
patent: 4876798 (1989-10-01), Zimmerman
patent: 4912854 (1990-04-01), Weadon
patent: 4956922 (1990-09-01), Bodewes
patent: 5020232 (1991-06-01), Whiteford
patent: 5025567 (1991-06-01), McWilliams et al.
patent: 5075978 (1991-12-01), Crowe
patent: 5101570 (1992-04-01), Shimura
patent: 5180221 (1993-01-01), Yoder
patent: 5761818 (1998-06-01), Hopkins et al.
patent: 6115928 (2000-09-01), Dauerer
patent: 6343422 (2002-02-01), Takahashi
patent: 6681494 (2004-01-01), Bowden
patent: 20040000062 (2004-01-01), Hansen et al.
patent: 1125497 (1982-06-01), None
patent: 1138635 (1983-01-01), None
patent: 0381373 (1990-08-01), None
patent: 0656524 (1995-07-01), None
patent: 1167921 (2002-02-01), None
patent: 0971206 (2002-03-01), None

Affiliated with

Also associated with

Rating

Reflecting lighted level does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reflecting lighted level, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reflecting lighted level will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3503112