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    • 3. 发明授权
    • Hitch coupler
    • 挂钩连接器
    • US08336902B2
    • 2012-12-25
    • US12827685
    • 2010-06-30
    • Eric M. TerpsmaRoger L. Jansen, IIIRichard T. Polanic
    • Eric M. TerpsmaRoger L. Jansen, IIIRichard T. Polanic
    • B62D1/00
    • B60D1/02F16B21/12
    • A hitch coupler includes a frame that includes a back plate, a first plate connected to the back plate, a second plate connected to the back plate at a position spaced from the first plate extending between the first plate and the second plate and cooperating therewith to define an interior space, and a third plate connected to the back plate spaced from the second plate, wherein the first, second and third plates each include an aperture extending therethrough. The frame also includes a pin extending through the first, second and third apertures, such that the pin extends through the interior space and is adapted to slide within the apertures between an extended position and a retracted position, and a spring member biasing the pin towards the extended position.
    • 挂钩联接器包括框架,该框架包括背板,连接到后板的第一板,在与第一板和第二板之间延伸的第一板间隔开的位置处连接到后板的第二板, 限定内部空间,以及连接到与第二板间隔开的后板的第三板,其中第一,第二和第三板各自包括延伸穿过其中的孔。 框架还包括延伸穿过第一,第二和第三孔的销,使得销延伸穿过内部空间并且适于在延伸位置和缩回位置之间的孔内滑动,并且弹簧构件将销朝向 延长的位置。
    • 4. 发明授权
    • Trailer hitch assembly
    • 拖车挂钩装配
    • US07431321B2
    • 2008-10-07
    • US10855108
    • 2004-05-27
    • Eric M. TerpsmaDavid O. RoeRichard T. PolanicRudolph A. Bahnsen
    • Eric M. TerpsmaDavid O. RoeRichard T. PolanicRudolph A. Bahnsen
    • B60D1/04B60D1/00
    • B60D1/04B60D1/28Y10S285/906Y10S285/91Y10S285/913Y10S285/917
    • A trailer hitch assembly includes a receiver portion including a cylindrically-shaped cavity, a bushing member received within the cavity of the receiver portion, and a hitch member that includes a shaft pivotally received within the bushing member. At least a selected one of the bushing member and the shaft is constructed of a material that substantially eliminates the need for using a separately applied lubricant during use of the trailer hitch assembly. The hitch member also includes a first jaw member, a second jaw member coupled to the first jaw member and operable between open and closed positions, a primary latch coupled with the second jaw member and operable between a locked position preventing opening of the second jaw member, and an unlocked position allowing opening of the second jaw member, and a secondary latch coupled with the primary latch and operable between a locked position preventing unlocking of the primary latch, and an unlocked position, wherein the primary latch may be moved to the unlocked position thereof.
    • 拖车牵引组件包括接收器部分,该接收器部分包括圆柱形空腔,容纳在接收器部分的空腔内的衬套构件以及包括枢转地容纳在衬套构件内的轴的牵引构件。 衬套构件和轴中的至少一个选定的构件由基本上消除在使用牵引车钩组件期间使用单独施加的润滑剂的需要的材料构成。 连接构件还包括第一钳口构件,联接到第一钳口构件并且可在打开和关闭位置之间操作的第二钳口构件,与第二钳口构件联接的主闩锁,并且可在防止第二钳口构件的开口的锁定位置之间操作 以及允许打开所述第二钳口构件的解锁位置,以及辅助闩锁,其与所述主闩锁联接并且可在防止所述主闩锁解锁的锁定位置和解锁位置之间操作,其中所述主闩锁可以移动到所述解锁位置 的位置。
    • 5. 发明申请
    • HITCH COUPLER
    • US20120003036A1
    • 2012-01-05
    • US12827685
    • 2010-06-30
    • Eric M. TerpsmaRoger L. Jansen, IIIRichard T. Polanic
    • Eric M. TerpsmaRoger L. Jansen, IIIRichard T. Polanic
    • F16B21/10
    • B60D1/02F16B21/12
    • A hitch coupler includes a frame that includes a back plate, a first plate connected to the back plate, a second plate connected to the back plate at a position spaced from the first plate extending between the first plate and the second plate and cooperating therewith to define an interior space, and a third plate connected to the back plate spaced from the second plate, wherein the first, second and third plates each include an aperture extending therethrough. The frame also includes a pin extending through the first, second and third apertures, such that the pin extends through the interior space and is adapted to slide within the apertures between an extended position and a retracted position, and a spring member biasing the pin towards the extended position.
    • 挂钩联接器包括框架,该框架包括背板,连接到后板的第一板,在与第一板和第二板之间延伸的第一板间隔开的位置处连接到后板的第二板, 限定内部空间,以及连接到与第二板间隔开的后板的第三板,其中第一,第二和第三板各自包括延伸穿过其中的孔。 框架还包括延伸穿过第一,第二和第三孔的销,使得销延伸穿过内部空间并且适于在延伸位置和缩回位置之间的孔内滑动,并且弹簧构件将销朝向 延长的位置。
    • 6. 发明授权
    • Hitch coupler
    • 挂钩连接器
    • US08540270B2
    • 2013-09-24
    • US13554016
    • 2012-07-20
    • Eric M. TerpsmaRoger L. Jansen, IIIRichard T. Polanic
    • Eric M. TerpsmaRoger L. Jansen, IIIRichard T. Polanic
    • B60D1/02
    • B60D1/02F16B21/12
    • A hitch coupler includes a frame that includes a back plate, a first plate connected to the back plate, a second plate connected to the back plate at a position spaced from the first plate extending between the first plate and the second plate and cooperating therewith to define an interior space, and a third plate connected to the back plate spaced from the second plate, wherein the first, second and third plates each include an aperture extending therethrough. The frame also includes a pin extending through the first, second and third apertures, such that the pin extends through the interior space and is adapted to slide within the apertures between an extended position and a retracted position, and a spring member biasing the pin towards the extended position.
    • 挂钩联接器包括框架,该框架包括背板,连接到后板的第一板,在与第一板和第二板之间延伸的第一板间隔开的位置处连接到后板的第二板, 限定内部空间,以及连接到与第二板间隔开的后板的第三板,其中第一,第二和第三板各自包括延伸穿过其中的孔。 框架还包括延伸穿过第一,第二和第三孔的销,使得销延伸穿过内部空间并且适于在延伸位置和缩回位置之间的孔内滑动,并且弹簧构件将销朝向 延长的位置。