| 摘要 |
A convenient power grip hand rim assembly provides a user-friendly economical push rim to easily and safely control, maneuver, accelerate and brake a wheelchair. The dependable dual friction hand rim assembly can have a rubber-like traction ring providing a propulsion rim portion to propel the wheelchair and can have a smooth metal rim, brake or braking rim portion to restrain and brake the wheelchair without burning or otherwise injuring the user's hand. The power traction ring and braking rim can come in different cross-sectional configurations depending on the method of manufacture as well as to accommodate the preferences of the user and can have a special gripping surface to facilitate gripping. The braking rim portion can be made of titanium, aluminum, stainless steel or other medical grade metal and can be surface treated, tempered, hardened, coated, waxed, chrome plated, brass plated, painted or anodized to accommodate the desires and aesthetic appeal of the user. |
