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公开(公告)号:US3587682A
公开(公告)日:1971-06-28
申请号:US3587682D
申请日:1969-01-27
发明人: BROWNELL ROY D , ROGERS RICHARD E
IPC分类号: A01G23/083 , A01G23/02
CPC分类号: A01G23/083
摘要: A TREE HARVESTING APPARATUS ADAPTED TO SEVER A STANDING TREE INTO A PLURALITY OF SECTIONS, THE APPARATUS INCLUDING A TREE SEVERING MEANS SUPPORTED ON A TELESCOPIC BOOM VERTICALLY PIVOTABLE CONNECTED TO A VEHICLE. TO AUTOMATICALLY POSITION SEVERING MEANS AT A PROPER ELEVATION FOR TOPPING THE TREE, A CONTROL MEANS IS PROVIDED FOR CONTROLLING THE NUMBER OF SECTIONS TO BE SEVERED FROM THE TREE AND FOR CONTROLLING ELEVATION OF THE SEVERING MEANS ABOVE GROUND LEVEL ACCORDING TO A PREDETERMINED ELEVATION INDEPENDENT OF ORIENTATION OF THE VEHICLE RELATIVE TO THE TREE.
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公开(公告)号:US3545881A
公开(公告)日:1970-12-08
申请号:US3545881D
申请日:1968-07-24
发明人: NAULTY ALBERT M
CPC分类号: B63H3/08 , B63H2003/088
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公开(公告)号:US3515370A
公开(公告)日:1970-06-02
申请号:US3515370D
申请日:1967-05-01
发明人: JESTER THOMAS C , WHITE IRA MORGAN , UNG HARRY L
CPC分类号: F16K47/04
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公开(公告)号:US3409967A
公开(公告)日:1968-11-12
申请号:US54797166
申请日:1966-05-05
发明人: SPIER HANS G
IPC分类号: F16C23/02
CPC分类号: F16C23/02 , Y10T29/497 , Y10T29/4984 , Y10T29/53104 , Y10T29/53978
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公开(公告)号:US3399975A
公开(公告)日:1968-09-03
申请号:US44722765
申请日:1965-04-12
发明人: OTTEN PHILIP S
IPC分类号: C02F1/04
CPC分类号: C02F1/042
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公开(公告)号:US3388889A
公开(公告)日:1968-06-18
申请号:US64454567
申请日:1967-06-08
发明人: WILLI RICHARD B
CPC分类号: F03B3/183 , F04D15/0272 , F16K17/14 , Y02E10/223
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公开(公告)号:US3376204A
公开(公告)日:1968-04-02
申请号:US39634364
申请日:1964-09-14
发明人: TIDBALL ROBERT A
CPC分类号: C02F1/10 , B01D3/065 , Y10S159/33
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公开(公告)号:US3352141A
公开(公告)日:1967-11-14
申请号:US45453565
申请日:1965-05-10
发明人: BOSHOLD RAYMOND F
CPC分类号: B21C23/212 , B21C23/21 , B29C47/00 , B29C47/0009
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公开(公告)号:US3349598A
公开(公告)日:1967-10-31
申请号:US45823465
申请日:1965-05-24
发明人: KURT POLLAK
IPC分类号: B21D25/00
CPC分类号: B21D25/00
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公开(公告)号:US3327880A
公开(公告)日:1967-06-27
申请号:US47823665
申请日:1965-08-09
发明人: BROWN EDWIN C , BROWNELL ROY D
CPC分类号: E02F3/3411 , E02F3/3405 , E02F3/422
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