Nova Patents
US2983071A

Construction elements

Abstract

This record has no abstract on file.

US2983071A, drawing sheet 1
Sheet 1 of 1

Term

Term ended

Expired 9 May 1978, 48.4 years ago.

  1. Priority and filed
  2. Granted
  3. Expired
  4. Today

2 claims: 2 independent, 0 dependent

  1. 1
    I claim:In a structural toy including a plurality of simulated structural girder elements and girder connector plates, the combination comprising a substantially rectangular 40 connector plate formed of permanently magnetized material and provided with an enlarged central portion, a pair of upstanding pins positioned in spaced relation on one face of said connector plate adjacent one end thereof and a second pair of upstanding pins positioned on the « same face of said connector plate adjacent the opposite end thereof, a pair of upstanding pins on the opposite face of said connector plate, each pin of said pair on said opposite face of said connector plate positioned respectively on each outwardly extended portion of said •0 enlarged central portion, girder elements including an elongated body portion and an end member, said end members each being formed of a magnetically attractive material, and means defining a plurality of openings in each girder end member adapted to receive selected προ® standing pins. on said connector plate therethrough whereby to align said girder with said connector plate and to magnetically secure said girder to said connector plate in said aligned position. •0 References Cited in the file of this patent UNITED STATES PATENTS 1,433,273 Graves-----------------Oct. 24, 1922 FOREIGN PATENTS
  2. 2
    3,646 Great Britain___________________1913 20,642 Denmark ________________Oct. 1,1915 914,352 France-----------------June 17* 1946