| 摘要 |
The present invention relates to an adjustable guide for attachment to an elongated tube holder to guide a dip stick measuring device into an orifice provided in the upper end of the tube holder for measuring the level of oil in an oil reservoir. The guide provides for controlled entry by the dip stick into the tube holder by means of a funnel member of conical shape permitting return by one hand only, and to a method for directing a dip stick measuring device and for providing a guide for controlled entry of the dip stick device into a fluid reservoir by manual means wherein the dip stick guide means consists of funnel member, a connector and an attachment member secured to the tube holder.
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