IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0954848
(2001-09-18)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Rader, Fishman & Grauer, PLLC
|
인용정보 |
피인용 횟수 :
16 인용 특허 :
9 |
초록
▼
An improved collapsible easel having a plurality of support legs, a spine member and a board support. The support legs include at least one rear support legs and two front support legs. A top portion of each of the support legs are connected to an upper retaining mechanism that is selectively fricti
An improved collapsible easel having a plurality of support legs, a spine member and a board support. The support legs include at least one rear support legs and two front support legs. A top portion of each of the support legs are connected to an upper retaining mechanism that is selectively frictionally engaged with the spine member such that the height of the upper retaining mechanism may be selectively adjusted. Front support braces having first and second brace ends have a first brace end connected to front support legs and a second brace end pivotally connected to the lower retaining mechanism. Rear support braces having first and second ends have a first brace end connected to a rear support leg and a second brace end connected to the lower retaining mechanism.
대표청구항
▼
An improved collapsible easel having a plurality of support legs, a spine member and a board support. The support legs include at least one rear support legs and two front support legs. A top portion of each of the support legs are connected to an upper retaining mechanism that is selectively fricti
An improved collapsible easel having a plurality of support legs, a spine member and a board support. The support legs include at least one rear support legs and two front support legs. A top portion of each of the support legs are connected to an upper retaining mechanism that is selectively frictionally engaged with the spine member such that the height of the upper retaining mechanism may be selectively adjusted. Front support braces having first and second brace ends have a first brace end connected to front support legs and a second brace end pivotally connected to the lower retaining mechanism. Rear support braces having first and second ends have a first brace end connected to a rear support leg and a second brace end connected to the lower retaining mechanism. ner; US-5706952, 19980100, Bianca et al.; US-5755357, 19980500, Orkin et al., 221/082; US-5762754, 19980600, Kondo et al., 156/564; US-5782786, 19980700, Tomaiuolo, 602/241; US-5860419, 19990100, Davies et al.; US-5868135, 19990200, Kaufman et al.; US-5873360, 19990200, Davies et al.; US-5909822, 19990600, George et al., 221/025; US-5938996, 19990800, Bianca et al.; US-5945651, 19990800, Chorosinski et al.; US-5963136, 19991000, O'Brien; US-5971594, 19991000, Sahai et al.; US-6004020, 19991200, Bartur; US-6021918, 20000200, Dumont et al.; US-6032666, 20000300, Davies et al.; US-6062420, 20000500, Krouwel et al., 221/005; US-6138865, 20001000, Gilmore; US-6150942, 20001100, O'Brien; US-6155454, 20001200, George et al.; US-6161095, 20001200, Brown; US-6162007, 20001200, Witte, 414/416; US-6168563, 20010100, Brown; US-6193103, 20010200, Clarijs, 221/025; US-6198383, 20010300, Sekura et al.; US-6202642, 20010300, McKinnon et al.; US-6206233, 20010300, Schulze, 221/025; US-6234343, 20010500, Papp, 221/007; US-6321817, 20011100, Kubota et al., 156/584; US-6378519, 20020400, Davies et al.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.