Vertical and pivotal adjusting apparatus for drafting tables

Supports – Stand and bracket – Having adjustable bracket

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

108147, 248125, 2481621, F16L 300

Patent

active

048078360

ABSTRACT:
Apparatus for supporting a drafting table, such as a digitizer, for vertical and pivotal movement thereof wherein a fixed hollow column is supported on a base member and a movable hollow column is mounted inside of the fixed hollow column for vertical up or down movement thereof and wherein the weight of the drafting table is counter-balanced by a constant spring mounted on the upper portion of the fixed hollow column and on the lower portion of the movable hollow column so that a portion of the constant spring is between the fixed and movable hollow columns and an elongated support member mounted on the upper portion of the movable hollow column and extending generally in a horizontal direction for supporting the drafting table and pivot means for pivotally connecting the drafting table to the elongated support member.

REFERENCES:
patent: 3908944 (1975-09-01), Bjork
patent: 3920209 (1975-11-01), Komura
patent: 3989211 (1976-11-01), Gundlach
patent: 4094484 (1978-06-01), Galione
patent: 4111389 (1978-09-01), Gundlach et al.
patent: 4156391 (1979-05-01), Ubezio
patent: 4183689 (1980-01-01), Wirges et al.
patent: 4188007 (1980-02-01), Ubezio
patent: 4605189 (1986-08-01), Bruneau
R. S. Knapp Co. Inc./ NapcoCopy Graphics Center (2 pages from a catalogue published by Alvin & Co., Inc., Denver, Colo.).
Constant-Force Springs (2 pages from a publication by Associates Spring of the Barnes Group Inc.).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Vertical and pivotal adjusting apparatus for drafting tables does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vertical and pivotal adjusting apparatus for drafting tables, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vertical and pivotal adjusting apparatus for drafting tables will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1360149

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.