| 摘要 |
There is provided an adjustable arm supporting device for attachment to an elongated handle for the purpose of assisting the user to hold, support, and/or use a tool attached to the end of the elongated handle. The adjustable arm supporting device has a cradle for the forearm of a user, a handle support holding the cradle in an ergonomic alignment with the elongated handle. Preferably, the adjustable arm supporting device is self-adjusting in response to pressures exerted on it by the user and/or the tool.
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