Patent · US Expired

Table attaching construction for nursing chairs

US4723813A · kind A · utility

54Cited by
8References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 5, 1986
Grant dateFeb 9, 1988
Priority date
Expiry dateAug 5, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/0832
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A table attaching construction for nursing chairs has longitudinally extending right- and left-hand table support frames, a table disposed on these table support frames, and right- and left-hand operating levers. The right- and left-hand operating levers are adapted to be turned between first locking and second release positions. When the operating levers are each in the first position, they are in engagement with the outer lateral portions and lower portions of the table support frames. When the operating levers are each in the second position, such engagement is canceled. The table attaching construction for nursing chairs further includes right- and left-hand slide members, and springs for urging these slide members to slide inwardly. Each slide member has an opening for the associated operating lever to extend vertically therethrough. Under the action of the springs, the wall surfaces of the openings in the slide members press the operating levers to maintain the latter in the first locking position. If an operating lever provided on one side of the table is turned to the second position and then, in this state, if the table is pushed to move toward the other side, then the eng…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.