Handy laser pointer
US5697700A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1997 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Jan 17, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
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 spring connected between the circuit board and the battery set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.