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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0889680 (1986-07-28) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
The track hurdle of the instant invention includes a base which rests on the ground and which includes a horizontal, hollow foot, and a hurdle bar assembly telescopically mounted on the base. The hurdle includes height-setting means for adjusting the height of a hurdle bar above a track surface and
In a track hurdle including a base which rests on the ground and which includes a horizontal hollow foot, and a hurdle bar assembly telescopically mounted on said base: first adjustable means including a weight slidably mounted within and for movement along the hollow foot, biasing means urging said
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