Anticipate This!™ | Patent and Trademark Law Blog

They Invented What? (No. 47)

Posted in They Invented What? by Jake Ward on May 16, 2007

U.S. Pat. No. 6,872,145:  Solo-operable seesaw.

JW Note:  Per David McClaughry at HD&P, this invention “takes all the fun out of the teeter-totter.”  Enjoy.

 soloseesaw

What is claimed as new and what is desired to secure by Letters Patent of the United States is:

1. A seesaw movable between ground and elevated positions and comprising: a base member having oppositely spaced side sections and a back section integral therewith and spaced therebetween, said side sections having respective bottom edge portions for engaging a ground surface and further having respective top edge portions for defining an apex of said base member, said base member further including a plurality of elongated braces having opposed end portions connected thereto and for maintaining said side sections at substantially stable positions; an elongated plank having a first end portion engaged with said base member and being selectively pivotable thereabout, said plank further having an oppositely spaced second end portion defining a seat for receiving an operator thereon; and means for pivotally lifting said plank upwardly along a predetermined arcuate path after said second end portion of said plank is moved to select lowered positions, said lifting means being connected to said base member and said plank respectively.

(more…)