Drawing board assembly

Details Drawing board assembly Drawing board assembly

1997-12-15

1999-09-28

Gibson, Randy W.

Geometrical instruments

Straightedge type

Base attached

A47B 2700

Patent

active

059568569

ABSTRACT:
A drawing board assembly includes a rectangular board including two opposite end portions each having a side wall transversely defining an elongate guiding track therein and a top wall. Two inverted L-shaped sliding bases are each slidably supported on a corresponding one of the two end portions of the board and each include a first plate abutting on the top wall and a second plate abutting on the side wall. Two slides are each fixedly mounted on the second plate of a corresponding one of the two sliding bases and are each slidably received in the guiding track A ruler is slidably mounted on the board, and an elongate frame is fixedly mounted on the ruler and includes two end portions each connected with the first plate of a corresponding one of the two sliding bases.

REFERENCES:
patent: 382234 (1888-05-01), Huges
patent: 1140143 (1915-05-01), Falvey
patent: 3293756 (1966-12-01), Picken
patent: 3346960 (1967-10-01), Miles
patent: 4090301 (1978-05-01), Della Monica
patent: 4972590 (1990-11-01), Dentith
patent: 5386640 (1995-02-01), Chen et al.
patent: 5845409 (1998-12-01), Kimoto

Affiliated with

Also associated with

Rating

Drawing board assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-691000