Portable retriever and method for collecting and dispensing tennis balls

作者: Aleksey Zats

DOI:

关键词: Tennis ballEngineeringContainer (type theory)Flat surfaceEngineering drawingAcoustics

摘要: An increased capacity portable retriever for collecting and dispensing tennis balls utilized on a flat surface comprising horizontally elongated container having front retrieving section with top handle, rear pivotably supported by two wheels coaxially mounted at bottom wall opening cover. The contains parallel rods spaced from each other distance smaller than the ball diameter. has horizontal vertical positions. includes compartment regulating element individually. First method of retrieving, repetitive transferring substantial group towards section. Second cyclical reducing correspondingly to volume resided in after comfortably reachable portion container.

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Young Han Joo, Tennis ball container ,(2001)