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1. 发明授权

US08407872B2 Rail fence retractor 有权
标题翻译：铁轨牵引器
公开(公告)号：US08407872B2
公开(公告)日：2013-04-02
申请号：US12263931
申请日：2008-11-03
申请人： David Powell , Steven R. Watts
发明人： David Powell , Steven R. Watts
IPC分类号： B25B27/00 , B23P19/04
CPC分类号： E04H17/26 , E04H17/1413 , E04H2017/1469 , Y10T29/53683 , Y10T29/53909 , Y10T29/53943
摘要： A rail fence retractor allowing removal of a fence rail engaged with a fence post comprising a blade having a first and second end. The first end of the blade is configured for insertion into a fence post slot having a rail inserted therein. The rail has self-locking tabs which must be depressed for removal of the rail from the fence post slot. The fence rail retractor also has a handle which is attached to the second end of the blade. The handle allows the application of force against handle to fix the position of the handle against the fence post during removal of the rail from the fence post slot. The handle is also useful in carrying the rail fence retractor when not in use. The handles may be also be configured to allow a pair of rail fence retractors to fit or snap together when not in use.
摘要翻译：轨道牵引器，其允许移除与栅栏柱接合的围栏栏杆，所述围栏栏杆包括具有第一端和第二端的叶片。叶片的第一端构造成用于插入具有插入其中的轨道的挡板柱槽中。导轨具有自锁片，必须按下以将轨从栅栏柱槽中取出。围栏轨道牵开器还具有附接到叶片第二端的把手。手柄允许在从栅栏柱槽中移除轨道时施加力以将手柄的位置固定在栅栏柱上。当不使用时，手柄也可用于承载轨道牵引器。手柄还可以被配置成允许一对轨道护栏卷收器在不使用时装配或卡扣在一起。

2. 发明申请

US20090056095A1 Rail Fence Retractor 有权
标题翻译：铁栅栏牵引器
公开(公告)号：US20090056095A1
公开(公告)日：2009-03-05
申请号：US12263931
申请日：2008-11-03
申请人： David Powell , Steven R. Watts
发明人： David Powell , Steven R. Watts
IPC分类号： E04H17/26 , E04H17/24 , B25B27/00
CPC分类号： E04H17/26 , E04H17/1413 , E04H2017/1469 , Y10T29/53683 , Y10T29/53909 , Y10T29/53943
摘要： A rail fence retractor allowing removal of a fence rail engaged with a fence post comprising a blade having a first and second end. The first end of the blade has a thickness and width allowing insertion into a fence post slot having a rail inserted therein. The rail has self-locking tabs which must be depressed for removal of the rail from the fence post slot. The fence rail retractor also has a handle which is attached to the second end of the blade. The handle allows the application of force against handle to fix the position of the handle against the fence post during removal of said rail from said fence post slot. The handle is also useful in carrying the rail fence retractor when not in use. The handles of the rail fence retractor may be configured to allow integration with the blade. The handles may be also be configured to allow a pair of rail fence retractors to fit or snap together when not in use.
摘要翻译：轨道牵引器，其允许移除与栅栏柱接合的围栏栏杆，所述围栏栏杆包括具有第一端和第二端的叶片。叶片的第一端具有允许插入到其中插入有导轨的栅栏柱槽中的厚度和宽度。导轨具有自锁片，必须按下以将轨从栅栏柱槽中取出。围栏轨道牵开器还具有附接到叶片第二端的把手。在从所述围栏柱槽移除所述导轨期间，所述手柄允许施加抵抗手柄的力将所述把手的位置固定在所述挡板柱上。当不使用时，手柄也可用于承载轨道牵引器。轨道牵引器的手柄可以被配置成允许与叶片的一体化。手柄也可以被配置成允许一对轨道护栏卷收器在不使用时装配或卡扣在一起。

3. 发明申请

US20080111118A1 Rail fence retractor 审中-公开
标题翻译：铁轨牵引器
公开(公告)号：US20080111118A1
公开(公告)日：2008-05-15
申请号：US11599945
申请日：2006-11-15
申请人： David Powell , Steven R. Watts
发明人： David Powell , Steven R. Watts
IPC分类号： E04H17/26
CPC分类号： E04H17/26 , E04H17/1413 , E04H2017/1469 , Y10T29/53683 , Y10T29/53909 , Y10T29/53943
摘要： A rail fence retractor allowing removal of a fence rail engaged with a fence post comprising a blade having a first and second end. The first end of the blade has a thickness and width allowing insertion into a fence post slot having a rail inserted therein. The rail has self-locking tabs which must be depressed for removal of the rail from the fence post slot. The fence rail retractor also has a handle which is attached to the second end of the blade. The handle allows the application of force against handle to fix the position of the handle against the fence post during removal of said rail from said fence post slot. The handle is also useful in carrying the rail fence retractor when not in use. The handles of the rail fence retractor may be configured to allow integration with the blade. The handles may be also be configured to allow a pair of rail fence retractors to fit or snap together when not in use.
摘要翻译：轨道牵引器，其允许移除与栅栏柱接合的围栏栏杆，所述围栏栏杆包括具有第一端和第二端的叶片。叶片的第一端具有允许插入到其中插入有导轨的栅栏柱槽中的厚度和宽度。导轨具有自锁片，必须按下以将轨从栅栏柱槽中取出。围栏轨道牵开器还具有附接到叶片第二端的把手。在从所述围栏柱槽移除所述导轨期间，所述手柄允许施加抵抗手柄的力将所述把手的位置固定在所述挡板柱上。当不使用时，手柄也可用于承载轨道牵引器。轨道牵引器的手柄可以被配置成允许与叶片的一体化。手柄也可以被配置成允许一对轨道护栏卷收器在不使用时装配或卡扣在一起。

4. 发明授权

US09938748B1 Rail fence retractor 有权
公开(公告)号：US09938748B1
公开(公告)日：2018-04-10
申请号：US14454657
申请日：2014-08-07
申请人： David L. Powell , Steven R. Watts
发明人： David L. Powell , Steven R. Watts
IPC分类号： B25B19/00 , E04H17/26 , E04H17/14
CPC分类号： E04H17/26 , E04H17/1413 , E04H2017/1469 , Y10T29/53683 , Y10T29/53909 , Y10T29/53943
摘要： A rail fence retractor allowing removal of a fence rail engaged with a fence post comprising a blade having a first and second end. The first end of the blade is configured for insertion into a fence post slot having a rail inserted therein. The rail has self-locking tabs which must be depressed for removal of the rail from the fence post slot. The fence rail retractor also has a handle which is attached to the second end of the blade. The handle allows the application of force against handle to fix the position of the handle against the fence post during removal of the rail from the fence post slot. The handle is also useful in carrying the rail fence retractor when not in use. The handles of the rail fence retractor may be configured to allow integration with the blade. The handles may be also be configured to allow a pair of rail fence retractors to fit or snap together when not in use.

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