Power-operated tape measure

Details Power-operated tape measure Power-operated tape measure

2007-11-13

2007-11-13

Fulton, Christopher W (Department: 2859)

Geometrical instruments

Distance measuring

By flexible tape

C033S761000

Reexamination Certificate

active

11466837

ABSTRACT:
A power-operated tape measure includes an annular reel pivotally mounted on a fixing shaft in a case, a tape wound on the annular reel, a hook at one end of the tape extending out of the case through an outlet of the case. A motor respectively drives the annular reel and a large wheel for sending the tape via a gear train. A control circuit includes the motor, a power supply unit and a control switch controlling the motor for direct and reverse turning. A button member at the bottom of the case that can float upwards and downwards, inside which a small wheel is pivotally fixed to engage with the large wheel for sending the tape. The control switches control the extending of the tape and the withdrawal of the tape, the switch controlling the extending of the tape engaging the inside part of the button member.

REFERENCES:
patent: 4551847 (1985-11-01), Caldwell
patent: 5440820 (1995-08-01), Hwang
patent: 5448837 (1995-09-01), Han-Teng
patent: 5471761 (1995-12-01), Cheng
patent: 94245836.2 (1996-02-01), None

Affiliated with

Also associated with

Rating

Power-operated tape measure does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Power-operated tape measure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power-operated tape measure will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3873590