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Garden tools and ergonomic handles therefor

机译:园林工具及其人体工程学手柄

摘要

A garden tool includes a work-engaging head joined by a shank to a plastic handle. The handle has a relatively rigid plastic core body. A cavity is formed in the handle to divide it into forward and rearward portions. The cavity is filled with a flexible and resilient material to accommodate flexing of the rearward portion relative to the forward portion. A flexible and resilient gripping sheath covers the outer surface of the core body except for the cavity. In one embodiment the cavity is in the core body and includes a notch. For digging tools, such as trowels, the notch is formed on the lower side of the core body adjacent to the distal end, while for pulling or raking tools, such as plows, the notch is formed on the upper side of the core body adjacent to the working end. A recess may be formed in the core body opposite the notch for cooperation with the notch to define a narrow hinge. In another embodiment the cavity includes an aperture extending laterally through a lobe extension of the grip sheath, and in yet in another embodiment the cavity includes notches formed on upper and lower sides of the core body and defined by a hinge interconnecting the forward and rearward portions of the handle.
机译:园艺工具包括通过杆连接到塑料手柄的工作接合头。手柄具有相对刚性的塑料芯体。在手柄中形成腔以将其分成前部和后部。空腔填充有柔性和弹性材料,以适应后部相对于前部的挠曲。柔性且有弹性的抓握护套覆盖芯体除腔外的外表面。在一个实施例中,空腔在芯体内并且包括凹口。对于铲刀等挖掘工具,在芯体的邻近远端的下侧形成凹口,而对于犁刀等犁刀或耙子工具,在芯体的上侧邻近的上侧形成凹口到工作结束。可以在芯体中形成与凹口相对的凹口,以与凹口配合以限定狭窄的铰链。在另一个实施例中,空腔包括横向地延伸穿过抓握护套的凸角延伸部的孔,并且在又一个实施例中,空腔包括形成在芯体的上侧和下侧上并且由将前后部分互连的铰链限定的凹口。的手柄。

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