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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0474676 (1995-06-07) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 22 인용 특허 : 0 |
A leg for an outdoors appliance, such as a batting aid having a tethered ball, a basketball hoop assembly, a tennis net, or a table. The leg has upper and lower sections connected by a coil spring. A sleeve driven into the ground receives the leg to a sufficient depth of penetration that the spring
An outdoors appliance having: a leg including an upper section, a lower section, and a flexible joint located between and joining said upper section and said lower section of said leg; and a sleeve for being driven into the ground and partially laterally surrounding said upper section of said leg, a
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