Adjustable spirit level

Details Adjustable spirit level Adjustable spirit level

1990-05-01

1991-03-19

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33385, G01C 928

Patent

active

049999214

ABSTRACT:
An adjustable spirit level having a plurality of spirit levels therein. A first spirit level measures vertical orientation, a second adjustable spirit level is adjustable to a true horizontal position, and a third spirit level is adjustable to any desired position between vertical and horizontal. The second level may be adjusted with a rotatable cam-shaped end piece secured within the level body, while the third level is ratcheted to a predetermined angle. The third level may be held in place by a spring member biasing the level against the level body.

REFERENCES:
patent: 121088 (1871-11-01), Davis
patent: 288624 (1883-11-01), Davis
patent: 1017646 (1912-02-01), Broadmore
patent: 1624161 (1927-04-01), Day
patent: 2814128 (1957-11-01), Hopkinson
patent: 2825144 (1958-03-01), Warden et al.
patent: 3894342 (1975-07-01), Goode

Affiliated with

Also associated with

Rating

Adjustable spirit 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 Adjustable spirit level, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adjustable spirit level will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2000582