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    • 4. 发明授权
    • Hand tool with intersecting pronged wheels
    • 手工工具,带相交叉脚轮
    • US4424869A
    • 1984-01-10
    • US328030
    • 1981-12-07
    • Hans vom BrauckeManfred vom BrauckeDieter Westerwelle
    • Hans vom BrauckeManfred vom BrauckeDieter Westerwelle
    • A01B1/06
    • A01B1/06
    • In a garden hand tool for loosening, cutting and crumbling garden soil or the like, comprising freely rotatable prong arrangements (17) in star-like formation which are arranged to face one another to form a "V" and the edges of which intersect one another because of the interengagement of the prong arrangements (17), thus forming cutting locations, these prong arrangements (17) are freely rotatably mounted on a bearing sleeve (12) and attached to a central axle (11) by means of a central aperture (12a). Between each bearing sleeve (12) which is slipped on the axle (11), a guide bearing (13) is also slipped over and clamped to the end of the axle (11) by an end bearing (14) and a nut (15). In such a case, the central apertures (12a) formed in the bearing sleeves (12) are disposed at an acute angle (at an inclination ) relative to the external bearing surface so as to correspond to the inclined position of the prong arrangements (17). A reinforcing plate (22) is mounted in the center of the axle (11), and an intermediate guide bearing (10a) is formed around the reinforcing plate (22), the guide bearing (10a) being made of plastics material and leads to a shaft socket (20) for accommodating a shaft (10).
    • 在用于松动,切割和粉碎的花园土壤等的花园手工工具中,包括星形状的可自由旋转的叉形布置(17),其布置成彼此面对以形成“V”并且其边缘与其相交 另一个是由于插脚布置(17)的相互接合,从而形成切割位置,这些插脚布置(17)可自由旋转地安装在轴承套(12)上,并通过中心孔 (12a)。 在滑动在轴(11)上的每个轴承套(12)之间,引导轴承(13)也通过端轴承(14)和螺母(15)滑动并夹紧到轴(11)的端部 )。 在这种情况下,形成在轴承套筒(12)中的中心孔(12a)相对于外部支承表面以锐角(倾斜度)设置,以便对应于叉形装置(17)的倾斜位置 )。 加强板(22)安装在轴(11)的中心,并且在加强板(22)的周围形成有中间导向轴承(10a),导向轴承(10a)由塑料材料制成并导向 轴承座(20),用于容纳轴(10)。
    • 10. 发明授权
    • Collapsible hand truck
    • 可折叠手推车
    • US4993727A
    • 1991-02-19
    • US379971
    • 1989-07-14
    • Manfred vom BrauckeHans vom Braucke
    • Manfred vom BrauckeHans vom Braucke
    • B62B1/04B62B1/12
    • B62B1/12B62B2205/00B62B2205/04B62B2205/12
    • A hand truck comprises a frame having upper and lower frame parts which can be pivoted between folded and unfolded positions. Pivotable locks retain the frame parts in both such positions. A pair of wheel braces are attached to the lower frame part for rotation between folded and unfolded positions. A carrier member is mounted to the lower frame part for rotation between folded and unfolded positions. The carrier member locks the wheel braces in their unfolded positions. The wheel braces carry tires which frictionally engage the carrier member to retain the wheel braces in their folded positions. The portion of the lower frame part which carries the wheel braces and carrier member can be separated from the lower frame part and then rotated ninety degrees before being reattached to the lower frame part in a stored condition.
    • 手推车包括具有上框架部分和下框架部分的框架,该框架部分可以在折叠位置和展开位置之间枢转。 枢转锁将两个框架部件保持在两个位置。 一对轮支撑件连接到下框架部分,以在折叠位置和展开位置之间旋转。 载体构件安装到下框架部分以在折叠位置和展开位置之间旋转。 承载构件将车轮支架锁定在展开位置。 车轮支架承载与承载构件摩擦接合的轮胎,以将车轮支架保持在折叠位置。 承载车轮支架和承载构件的下框架部分的部分可以与下框架部分分离,然后在存储状态下重新附接到下框架部分之前旋转90度。