Geometrical instruments – Gauge – With point marker
Patent
1997-01-29
1998-11-03
Will, Thomas B.
Geometrical instruments
Gauge
With point marker
33678, 33760, 33768, B25H 704, G01B 310
Patent
active
058291520
DESCRIPTION:
BRIEF SUMMARY
A U.S. Provisional Patent Application titled "Meter Mark Measuring and Marking System" describing this invention was filed in the United States Patent and Trademark Office on Oct. 16, 1995 and given Ser. No. 60/005,154.
TECHNICAL FIELD OF THE INVENTION
This invention relates generally to measuring instruments and marking devices. More particularly, it relates to marking apparatus integrated with and activated by a housing of a measuring instrument to mark an article being measured.
BACKGROUND OF THE INVENTION
The process of making a measurement and marking an article according to the measurement can be time consuming and can be subject to inaccuracies. The present invention is aimed at improving both efficiency and accuracy of measurement and marking.
BACKGROUND ART
A number of patents have described markers associated with measuring instruments. U.S. Pat. No. 2,649,787 to Kobayashi discloses a scratch marker attached below the point where a tape measure exits its case. U.S. Pat. Nos. 2,807,886 and 3,148,455 to Aciego disclose pencil and tape holders that clamp onto a tape measure case and allow marking with an inserted pencil. U.S. Pat. No. 3,063,157 to Keene discloses a marker that attaches to a tape measure case and may be folded up into a slot at the back of the case when not in use. U.S. Pat. No. 3,262,211 to Beckett discloses a marking device attached to a folding measuring tape or to a tape measure case. U.S. Pat. No. 3,336,678 to Chamberlain et al. discloses a marking attachment for a coiled measuring tape, which attaches to the tape measure case like a C-clamp and has a spring-loaded pin with a marking point at its lower end. U.S. Pat. No. 3,731,389 to King discloses a tape measuring device with a spring-loaded marking mechanism within the casing at the end opposite the end at which the tape is withdrawn. Markings on the tape are read through a window and are arranged to correspond to the distance between the marking element and the free end of the tape.
U.S. Pat. No. 3,802,083 to Freed shows a marker and stop accessory for extensible measuring tapes, which is mounted on the tape casing adjacent to the tape-issuing opening. A spring-mounted marking element is depressed to mark the article being measured, and a pointer engages the tape to indicate the length of issued tape as well as to arrest any further movement of the tape. U.S. Pat. No. 3,885,314 to Banas, Sr. discloses a two-way tape and centering device with two measuring tapes extensible in opposite directions, located in separate compartments of a single housing. An inscribing device projects through the housing between the two tape measures. A spring maintains the inscribing device in a raised position with the tip enclosed in the housing until the shaft is depressed to make a mark. U.S. Pat. No. 4,015,337 to Taylor shows a combined tape measure and marking device with a spring-loaded arm pivotally supported from one side of the tape measure housing. The forward end of the arm supports an alignment arrow and marking device. The marking device is manually actuated after the alignment arrow is aligned with the desired graduation. When the arm is released, the arm automatically assumes a position where the marking device is out of contact with the measured article, and the marking quill retracts to a concealed position where it will not further mark the article measured. U.S. Pat. No. 4,296,554 to Hammerstrom discloses a tape measure with a spring clip for attaching the tape to a belt of clothing and also for receiving and positioning a pencil or scribing tool, aligned precisely with the point of exit of the tape from the housing. U.S. Pat. No. 4,439,927 to Elliott shows a tape measure with a casing which also contains a consumable marker and a scriber disposed immediately forward of and alongside the slot through which the coiled tape is withdrawn. Either the marker or scriber may be positioned via manual actuating means to mark an object being measured. A brake is automatically activated when either the marker or the scriber is pos
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Dever Kathleen M.
Potter Michael D.
Anza Corporation
Touw Theodore R.
Will Thomas B.
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