Rulers for making axonometric projection drawings

Details Rulers for making axonometric projection drawings Rulers for making axonometric projection drawings

1977-09-09

1979-09-04

Haroian, Harry N.

Geometrical instruments

Straightedge type

Base attached

33482, B43L 1314

Patent

active

041663225

ABSTRACT:
A ruler of transparent material having a first edge parallel to one of the three main projection axes of an axonometric projection drawing and a second edge at a specified angle .gamma. with one of the remaining two main projection axes. The ruler is provided on its front surface with a standard line sloping at a specified inversion angle with respect to the first edge and another standard line sloping at the inclination angle of an orthographic projection drawing with respect to the bisector of the inversion angle. An axonometric projection drawing can be made with the use of the ruler from a plan view and a front or side view drawn by orthographic projection and placed on a drawing board as arranged in the orthographic drawing.

REFERENCES:
patent: 1723517 (1929-08-01), McFadden
patent: 2713205 (1955-07-01), Nielsen
patent: 3604118 (1971-09-01), Miller
patent: 3711953 (1973-01-01), Chandronnait
"History of Geometric" by Peter J. Booker, published by Misuzu Shobo Co.
"Graphics for Engineers" by Randolph P. Hoelscher et al.

Affiliated with

Also associated with

Rating

Rulers for making axonometric projection drawings does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rulers for making axonometric projection drawings, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rulers for making axonometric projection drawings will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2124223