Assertion: seesaw's member | /r/HasAspect | swinging connection
Facets:
value: with said base
type: OTHER
Source sentences:
text: A seesaw of the single occupant type comprising a base, an upper frame secured to said base and an elongated, counterbalanced seatcarrying member suspended from said frame for rocking movement about two horizontal axes normal to each other and having swinging connection with said base whereby oscillation of said member may be initiated and maintained by a rider fully supported by said member.