Handy laser pointer

Quantity

Handy laser pointer

A handy laser pointer including a cylindrical cassing coated with a layer of phosphorescent substance and having a transverse through hole, a laser firing cap fastened to the front end of the casing by plugging, a rear end cap fastened to the rear end of the casing by a screw joint and having a hanging hole for hanging, an insulative sleeve mounted inside the casing, a laser module holder mounted inside the casing and abutted against the insulative sleeve, a battery set mounted in the insulative sleeve and connected to the rear end cap, and a laser module mounted inside the casing and fastened to the laser module holder, the laser module including a circuit board fastened to the laser module holder and having a switch, a laser generator connected to the circuit board and controlled by the switch to emit a laser beam through the laser firing cap, a button mounted in the transverse through hole of the casing and adapted for switching the switch, a metal...

1. A handy laser pointer of easy disassembly comprising: a cylindrical casing having a front end, a rear end, an inner thread at said rear end, and a transverse through hole; a laser firing cap fastened to the front end of said cylindrical casing by plugging and defining a laser firing hole; a rear end cap fastened to the rear end of said cylindrical casing, said rear end cap having an outer thread threaded into said inner thread of said cylindrical casing; an insulative sleeve mounted inside said cylindrical casing and spaced between said laser firing cap and said rear end cap; a laser module holder mounted inside said cylindrical casing and abutted against one end of said insulative sleeve, having two longitudinal locating grooves oppositively disposed on the inside; a battery set mounted in said insulative sleeve and having one end connected to said rear end cap; and a laser module mounted inside said cylindrical casing and fastened to said laser module holder and controlled to emit a laser beam through said laser firing hole of said laser firing cap, said laser module comprising a circuit board fastened to said longitudinal locating grooves of said laser module holder and having a switch, a laser generator connected to said circuit board and controlled by said switch to emit a laser beam through said laser firing hole of said laser firing cap, a button mounted in said transverse through hole of said cylindrical casing and adapted for switching said switch, a metal spring having a front end connected to said circuit board, and a rear end contacted to one end of said battery set remote from said rear end cap.

2. The handy laser pointer of claim 1 wherein said cylindrical casing has a plurality of recessed portions spaced around the periphery.

3. The handy laser pointer of claim 2 wherein said recessed portions of said cylindrical casing are coated with a layer of phosphorescent substance. ...

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