Pivoting ski chair seat for trams |
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| 申请号 | US59715166 | 申请日 | 1966-11-25 | 公开(公告)号 | US3395938A | 公开(公告)日 | 1968-08-06 |
| 申请人 | TONY R. SOWDER; | 发明人 | SOWDER TONY R; | ||||
| 摘要 | |||||||
| 权利要求 | 1. IN A TRAM CHAIR OF THE TYPE HAVING A PERIPHERAL FRAME WITH MEMBERS AT LEAST OF ITS FORWARD AND REARWARD SEAT EXTENSIONS, A PIVOTABLY MOUNTED SEAT INCLUDING: A RIGID SEAT MEMBER PIVOTABLY CARRIED BY THE FORWARD MEMBER OF THE CHAIR FRAME AT THE FORWARDMOST EDGE OF THE SEAT MEMBER; MEANS YIELDABLY BIASING THE REARWARD PART OF SAID SEAT MEMBER TO AN UPTURNED POSITION; AND MEANS OF SUPPORTING THE SEAT MEMBER IN A SUBSTANTIALLY HORIZONTAL POSITION AGAINST DOWNWARDLY MOTION. |
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| 说明书全文 | |||||||
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