IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0032288
(1993-03-17)
|
발명자
/ 주소 |
- Urlwin Robert (9 Woody Ln. Sparta NJ 07871)
|
인용정보 |
피인용 횟수 :
20 인용 특허 :
0 |
초록
▼
An axle, supported in a pair of brackets, and having wheels mounted to ends thereof, also pivotably carries a utility tray thereon. The brackets are provided for bolting thereof to leg members of a chair frame, to wheel the frame. The chair frame is collapsible, and the tray can be folded-up, unobtr
An axle, supported in a pair of brackets, and having wheels mounted to ends thereof, also pivotably carries a utility tray thereon. The brackets are provided for bolting thereof to leg members of a chair frame, to wheel the frame. The chair frame is collapsible, and the tray can be folded-up, unobtrusively with the component parts of the chair frame, or disposed prominently therefrom for wheeled transport of supplies and/or articles. With the chair frame expanded, into its seating disposition, the tray assumes a position substantially parallel with the seat frame, and therebelow, and the wheels are elevated in non-load-bearing disposition.
대표청구항
▼
A collapsible, wheeled, chair frame assembly, comprising: a seat frame; front and rear leg members pivotably coupled to said seat frame; a back frame pivotably coupled to said rear leg members; and an assembly, removably coupled to said rear leg members, having at least one wheel, support means for
A collapsible, wheeled, chair frame assembly, comprising: a seat frame; front and rear leg members pivotably coupled to said seat frame; a back frame pivotably coupled to said rear leg members; and an assembly, removably coupled to said rear leg members, having at least one wheel, support means for supporting said at least one wheel to said rear leg members for rotation about an axis rearwardly spaced from said rear leg members, and a utility tray secured to said support means for rotation about said axis; wherein said chair frame assembly comprises means, responsive to manipulation, for disposing said frame assembly in (a) a first, expanded, attitude, in which said wheel is in non-load-bearing elevation, and said tray assumes an attitude substantially parallel with said seat frame, and (b) a second, collapsed attitude, in which said seat frame, leg members, and back frame are folded together, into substantial parallelism as a compact unit, and said tray projects outwardly from, and substantially perpendicular to, said unit.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.