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81. 发明授权

US3734540A Utility service trailer 失效
标题翻译：实用服务拖车
公开(公告)号：US3734540A
公开(公告)日：1973-05-22
申请号：US3734540D
申请日：1971-04-05
申请人： THIERMANN W
发明人： THIERMANN W
IPC分类号： B60D1/00 , B60D1/46 , B60P3/41 , B60D1/16
CPC分类号： B60P3/41 , B60D1/00 , B60D1/46
摘要： An extensible trailer tongue is telescoped beneath the floor of the trailer with a hitch on its forward end at an appropriate level for attachment to a vehicle ahead, and when extended forwardly the tongue is raised to a higher level and locked in position to clear road obstacles, with the hitch lowered relative to the tongue to again be disposed at the appropriate level for attachment to the same vehicle ahead. The tongue rides loosely between an upper and a lower track facing each other, and has upper rollers at its rear end bearing upwardly against the upper track and lower rollers disposed forwardly of said upper rollers and supporting the rear end of the tongue on the lower tracks. Means are provided to take up the looseness between the tongue and the track at hitch locations of the tongue. The body of the trailer has a platform for supporting utility poles and equipment with adjustably positioned stakes at either end and with a triangular central pillow serving as a central stake to position logs to one side of the trailer body. Side stakes or pole bolsters are secured in selected positions by lateral pins on one side thereof entering corresponding key slots in the side walls of the trailer with heads on the pins interlocking the stakes against displacement and with spring loaded lock bolts preventing raising of the pins out of their corresponding slots. The platform is reinforced longitudinally by upstanding cabinets along either side, by a longitudinal channel extending centrally beneath the platform and receiving the tongue, and by diagonal compartments on either side of the channel. Cross beams are provided at the ends and beneath the platform.
摘要翻译：一个可伸缩的拖车舌头可伸缩在拖车地板的下方，其前端有一个适当的水平位置，用于连接到前方的车辆，当向前延伸时，舌头被升高到较高的水平并锁定在适当的位置以清除道路障碍物，相对于舌头降低的钩子再次被设置在适当的水平以附接到前面的同一车辆。舌头松动地在彼此面对的上下轨道之间滑动，并且在其后端具有向上抵靠上轨道的上辊和设置在所述上辊前面的下辊，并且在下轨道上支撑舌头的后端。提供手段来承担舌头和舌头之间的牵引位置上的轨迹之间的松动。拖车的主体具有一个平台，用于支撑两端可调节定位桩的电杆和设备，并具有用作中心桩的三角形中心枕头，以将原木定位在拖车主体的一侧。侧桩或撑杆通过其一侧上的侧销固定在选定位置，其进入拖车侧壁中的相应的键槽，销上的头部将桩脚互相抵抗位移，并且具有弹簧加载的锁定螺栓，防止销钉升高的相应插槽。平台通过沿着任一侧的竖立的纵向通道，通过在平台下方中心延伸并且接收舌头的纵向通道以及通道两侧的对角隔间来纵向加强。横梁设置在平台的两端和下方。

82. 发明授权

US3716255A Removable trailer hitch 失效
标题翻译：可拆卸拖车
公开(公告)号：US3716255A
公开(公告)日：1973-02-13
申请号：US3716255D
申请日：1971-05-14
申请人： MORRIS B
发明人： MORRIS B
IPC分类号： B60D1/52 , B60D1/16
CPC分类号： B60D1/52
摘要： An easily removable trailer hitch which provides for the uniform distribution of the loading forces over the entire length of the transverse horizontal member.
摘要翻译：一种易于拆卸的挂车挂钩，其提供在横向水平构件的整个长度上的均匀分布的载荷力。

83. 发明授权

US3606744A Adjustable towing hitch 失效
标题翻译：可调节的脚步
公开(公告)号：US3606744A
公开(公告)日：1971-09-21
申请号：US3606744D
申请日：1969-08-29
申请人： BAKER ROBERT M , TERRY W EUBANKS
发明人： EUBANKS TERRY W
IPC分类号： A01D67/00 , A01D87/00 , B60D1/16 , A01D43/06
CPC分类号： A01D87/0023 , A01D67/005
摘要： SUBJECT INVENTION RELATES TO AN ADJUSTABLE TOWING HITCH FOR USE WITH A FIELD OR ENSILAGE CUTTER. THE HITCH IS SECURED TO THE FRAME OF THE FIELD CUTTER BY A CONNECTION BRACKET. A TELESCOPING DRAW BAR SECURED TO THE CONNECTION BRACKET EXTENDS FORWARD TO ENGAGE A BRACKET MOUNTED ON THE SIDE OF A TOW VEHICLE, A SUITABLE LOCKING MECHANISM BEING PROVIDED TO PREVENT THE DRAW BAR FROM TELESCOPING OUTWARDLY WHEN THE CUTTER IS BEING TOWED. THE CONNEC-

TION BRACKET PERMITS THE DRAW BAR TO BE PIVOTED IN A VERTICAL PLANE WHILE GIVING IT LATERAL STABILITY, THEREBY PERMITTING THE CUTTER TO BE TOWED AT A POSITION TO THE SIDE OF THE PATH OF THE TOWING VEHICLE. A SWIVEL WHEEL IS PROVIDED ON THE CUTTER FRAME TO STEER THE CUTTER SO THAT IT WILL FOLLOW TO TOW VEHICLE.

84. 发明授权

US3501168A Trailer safety hitch 失效
公开(公告)号：US3501168A
公开(公告)日：1970-03-17
申请号：US3501168D
申请日：1968-09-20
申请人： HAMPTON HEFFINGTON
发明人： HEFFINGTON HAMPTON
IPC分类号： B60D1/06 , B60D1/28 , B60D1/38 , B60D1/58 , B60D1/16
CPC分类号： B60D1/065 , B60D1/06 , B60D1/28 , B60D1/38 , B60D1/58

85. 发明授权

US3477534A Two tractor side-by-side hookup 失效
标题翻译：两个拖拉机旁边的HOOKUP
公开(公告)号：US3477534A
公开(公告)日：1969-11-11
申请号：US3477534D
申请日：1967-12-07
申请人： WILLIAM A LADWIG JR
发明人： LADWIG WILLIAM A JR
IPC分类号： B62D12/02 , B62D49/06 , B60D1/16 , B60D1/00 , B62D11/00
CPC分类号： B62D12/02 , B62D49/0642

86. 发明授权

US3434741A Trailer hitch lock 失效
标题翻译： TRAILER HITCH LOCK
公开(公告)号：US3434741A
公开(公告)日：1969-03-25
申请号：US3434741D
申请日：1967-01-24
申请人： WILLIAM HENRY GRANT JR
发明人： GRANT WILLIAM HENRY JR
IPC分类号： B60D1/60 , B60D1/06 , B60D1/16
CPC分类号： B60D1/60 , Y10T70/485 , Y10T70/5009

87. 发明授权

US3427046A Quick-release hitch for implements 失效
标题翻译：快速发布HITCH进行实施
公开(公告)号：US3427046A
公开(公告)日：1969-02-11
申请号：US3427046D
申请日：1966-11-30
申请人： DEERE & CO
发明人： SOMMER ANTON , MUNCKE LUDWIG
IPC分类号： A01B59/06 , B60D1/04 , A01B51/00 , B60D1/16
CPC分类号： A01B59/062

88. 发明授权

US3425715A Hydraulically controlled hitch 失效
标题翻译：液压控制
公开(公告)号：US3425715A
公开(公告)日：1969-02-04
申请号：US3425715D
申请日：1967-04-14
申请人： TROESTER A J
发明人： WEITZ OTTO
IPC分类号： A01B59/041 , B60D1/16 , A01B51/00 , B60D1/00
CPC分类号： A01B59/0415

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