Pocket microscope including illuminating means and movable objective

Claim 1

A portable pocket microscope, comprising: housing means comprising first and second elongated rigid tubular elements adapted to be longitudinally and coaxially coupled together, one end of one of said tubular elements having a conical portion adapted to be disposed in telescopic relation relative to one end of said other tubular element for permitting said first and second tubular elements to be coaxially press fitted together; eyepiece means mounted on said first tubular element adjacent the other end thereof; illuminating means mounted in said second tubular element adjacent the other end thereof, said illuminating means including a lamp and a battery housed within said second tubular element, and spring means disposed between said lamp and said battery for normally maintaining said battery out of contact with said lamp; end cap means removably mounted on said other end of said second tubular element for retaining said battery within said housing means; actuator means for causing relative movement between said lamp and said battery to selectively permit energization of said lamp, said actuator means including a manually movable actuator member movably mounted on said end cap means and extending therethrough whereby movement of said actuator member causes relative movement of said battery toward said lamp for contacting and energizing same; objective means movably mounted within one of said tubular elements and adjusting means coacting between said objective means and said one tubular element for permitting said objective means to be selectively moved axially relative to said one tubular element; and said housing means having means defining a slot transverse to the axis of said coaxial tubular elements for receiving therein an object slide, said slot being disposed axially between said objective means and said illuminating means.