US20070125921A1 - Swivel mounting device - Google Patents
Swivel mounting device Download PDFInfo
- Publication number
- US20070125921A1 US20070125921A1 US11/604,138 US60413806A US2007125921A1 US 20070125921 A1 US20070125921 A1 US 20070125921A1 US 60413806 A US60413806 A US 60413806A US 2007125921 A1 US2007125921 A1 US 2007125921A1
- Authority
- US
- United States
- Prior art keywords
- ball
- swivel
- mounting block
- mounting
- shank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/021—Locking means for rotational movement
- F16M2200/024—Locking means for rotational movement by positive interaction, e.g. male-female connections
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/05—Cutting by use of rotating axially moving tool with means to weigh or test work or product
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
A device comprising a swivel mount and its method of use are described. The device can be used in pairs with a variety of different power tools useful for working on metal or wood. The purpose of the tool is to insure a precise linear alignment between the measuring device and the moving part of the power tool that removes material from the wood or metal. The swivel mount includes a mounting block, a ball shank, and a swivel body mounted on the ball of the shank. The swivel mount attaches to one portion of the measuring device that is linearly adjustable with respect to the material removing part of the power tool. A second swivel mount attaches to a portion of the power tool that maintains a fixed distance with respect to the moving part of the power tool.
Description
- This application claims the benefit of provisional patent application Ser. No. 60/621,514 filed Dec. 1, 2005
- This invention relates generally to the field of woodworking and metal working equipment. More particularly, the invention relates to mounting brackets and their use to facilitate precise measurements when performing an operation on a work piece.
- The old adage among carpenters, woodworkers and machinists in order to avoid costly and time-consuming mistakes is “measure twice and cut once”. This guideline is normally learned only through the experiences of making many mistakes in the workshop.
- Woodworkers and machinists are constantly seeking more accurate and reliable techniques for sawing, routing, milling, turning, and drilling wood and metal. One variable that has consistently evaded precision is the requirements for accurately gauging the amount of material to be removed during a processing step.
- The present invention relates to a swivel mounting device that comprises a mounting block for mounting the device on a power tool such as a woodworking or metal working machine. The swivel mounting device includes a ball shank with a shaft having one end secured to a mounting block, and the second end terminating in a ball. A swivel body is mounted on the ball end of the shank. This swivel body is capable of being clamped or otherwise affixed to a portion of a measuring device such as calipers. The swivel body includes a recess in which the ball of the ball shank is retained. The measuring device is typically secured in a slot in the swivel body. The mounting block is attached to the power equipment by suitable means such as a magnet, cement or clamp. The invention also relates to a method of making accurate measurements when working with a power tool used for the removal of material from an object. The method compensates for angularity mis-alignment between the power tool and a measuring device that defines a spatial relationship between the material removal portion of the tool and a portion of the object to be removed. The method comprises providing a first swivel device for holding a first portion of the measuring device. This first device is mounted on a portion of the power tool that maintains a fixed spatial relationship with the material removal part of the tool. A second device holds a second portion of the measuring device that is movable with respect to the material removal part of the tool. The two swivel devices are spaced apart from one another and allow for changes in the angularity between the measuring device and the power tool without changing the linear spacing between the stationary and the movable portions of the measuring device.
-
FIG. 1 is a perspective view of the device of the present invention; -
FIG. 2 is an exploded view of the device shown inFIG. 1 ; -
FIG. 3 is a top view of the swivel mount ofFIG. 1 ; -
FIG. 4 is a view taken along lines 4-4′ ofFIG. 3 ; -
FIG. 5 is a perspective view showing a variation of the present invention; -
FIG. 6 is an exploded view of the device shown inFIG. 5 ; -
FIG. 7 is an elevational side view of the device ofFIG. 5 ; -
FIG. 8 is a cross sectional view taken along lines 2-2′ ofFIG. 7 ; -
FIG. 9 a is a schematic view showing the a pair of the devices of the present invention used in association with a table saw; and -
FIG. 9 b is a close-up view of the devices of the present invention mounted on the table saw ofFIG. 9 a. - The swivel mount of the present invention is useful on power equipment such as table saws, jig saws, band saws, milling machines, bench drills, turret lathes, planers and routers of the types typically used for working on wood and metal. As shown in
FIGS. 1-4 , thedevice 10 comprises three principal components. These are amounting block 20, aball shank 40, and aswivel body 60. Themounting block 20 allows the device to be coupled to the power equipment. In one embodiment, the mounting block is attached to abase plate 22 by two Allenhead screws 32 inserted throughholes 36 in the block intocorresponding holes 24 in thebase plate 22. Thisbase plate 22 is adapted to be mounted on the power equipment by extending theset screws 32 through thebase plate 22 into threaded holes in the equipment. The device may also be coupled to the table saw or other equipment by the use of a magnet or an adhesive a well as clamps or other mechanical attachments of the type well known to the skilled artisan. - The
ball shank 40 typically consists of a hardenedsteel ball 42 at one end of ashaft 44. Thefree end 46 of the shaft is inserted into ahole 38 in themounting block 20 and is secured in place by suitable means such as aset screw 28 threaded intohole 30. Theball 42 of theball shank 40 is mounted within arecess 68 of theswivel body 60. Theshaft 44 preferably has a flat section 48 (shown inFIGS. 1 and 2 ) against which theset screw 28 is tightened to secure the shaft to themounting block 20 and to prevent rotation of the shaft in themounting block 20 while not inhibiting oscillation of theswivel body 60 around the ball end of theshank 40. - Two of the devices of the present invention are used in tandem with one another and are attached to two parts of a measuring device, at least one of which is movable in a linear direction toward and away from the other. For example, one device may be connected to a stationary jaw of calipers as shown in
FIGS. 9 a and 9 b. The other device is secured to the other movable jaw which may be coupled, mechanically or electrically to a suitable readout such as a digital or a linear scale. - As shown in
FIGS. 3 and 4 , theswivel body 60 contains aslot 62 to hold one of the jaws of a caliper and two threadedholes 64 to receive a pair ofset screws 66 to secure the swivel body to the jaw. Arecess 68 extends into the body from one surface to receive theball 42 of theball shank 40. Theshaft 44 of the ball shank extends through ahole 72 in the surface of theswivel body 60 that is opposite therecess 68. Acap 70, typically made from the same material as the swivel body, is threaded or cemented into the opening of therecess 68 to anchor theball 42 in place. Thecap 70 is shown with twoholes 76 adapted to receive a tool for tightening and loosening the cap. Instead of the two holes, the cap can be slotted for use with a screwdriver to facilitate tightening and loosening of the cap. The cap should be sufficiently tight to secure the ball against linear movement while allowing it to rotate within the recess. If necessary, a small amount of a lubricant may be used to ensure smooth rotational movement of theball 42 vis-à-vis therecess 68. The oscillation of theswivel body 60 relative to theball shank 40 serves to compensate for non linear movement of the measuring device with respect to the power equipment while at the same time maintaining an extremely close tolerance as the jaws of the calipers move relative to one another in a linear direction. - The
free end 46 of the shank is adapted to be secured by aset screw 28 threaded in ahole 30 in themounting block 20. The ball inserted into the swivel mount allows non-linear movement such as changes of the angle between the calipers and the power equipment without changing alignment of the jaws of the calipers in the linear direction of movement, thus preserving the accuracy of the measurements. Therefore, the need for absolute rigidity between the calipers or other measuring device and the power equipment is eliminated. -
FIGS. 5-8 show another option for holding the ball of the shank in the swivel body. As with the embodiment inFIGS. 1-4 , thedevice 110 is adapted to be mounted on a piece of woodworking or metal working equipment (not shown) using abase plate 122 that is magnetically, adhesively or mechanically coupled to the equipment. The mountingblock 120 is secured to the base plate with a pair of Allen head screws 132 extending through holes 136 (shown inFIG. 6 ) in the block. Thefree end 146 of theball shank 140 is inserted into the mounting block throughhole 138 and is secured in place withset screw 128 threaded intohole 130 and tightened against theplanar portion 148 of theshaft 144 as previously described. Theswivel body 160 has aslot 162 to receive one of the caliper jaws (not shown) and includes a pair ofset screws 166 threaded intoholes 164. The swivel body contains a blind recess 168 (shown inFIG. 8 ) opening into the body from the bottom. Because theblind recess 168 is accessible from beneath the body, the top 176 of the body may be recessed or set back above the slot if desired. As shown in cross section inFIG. 8 , theannular ring 174 slips around the shank and is threaded, cemented or press fit into the bottom of the swivel block in the opening of therecess 168 to retain the ball in the recess, while not inhibiting relative angular movement of theswivel body 160 with respect to theball 142. As can be seen, thehardened metal ball 142 of theball shank 140 engages therecess 168 in theswivel mount 160. Thefree end 146 of theshank 144 is secured by theset screw 128 inhole 130 in themounting block 120. The ball inserted into the swivel mount allows non-linear movement such as changes of the angle between the calipers and the power equipment without changing alignment of the jaws of the calipers in the linear direction of movement, thus preserving the accuracy of the measurements. When a pair of the devices of the invention are used on a table saw, router table or band saw, the mounting block of onedevice 10 a is attached to the rip fence or other guide and mounting block of theother device 10 b is attached to the table. This is seen inFIGS. 9 a and 9 b showing atable saw 80 equipped with atraditional rip fence 82. The fence is welded or otherwise secured to ametal bar 84 that is at right angle to the fence and that moves at right angles to the direction of cut.Calipers 86 include afirst jaw 88, and asecond jaw 90 movable relative to the first jaw. Adigital readout 92 is mounted on the calipers to measure the opening between the two jaws. Thefirst jaw 88 of the calipers is secured in theslot 62 a of the first swivel mount 10 a, and the second jaw is secured in theslot 62 b of thesecond swivel mount 10 b. The two jaws of the caliper move at right angles to the planar face of the saw blade (96 inFIG. 9 b). The swivel feature of the mounting devices allows them to grip the respective jaws of the calipers at virtually any angle without impeding the linear movement of the jaws with respect to one another. - One fence that has been found to be particularly capable of providing a true cut when used with a variety of table saws is the Biesemeyer fence. Other fences on which one of the devices of the present invention can be mounted are available from suppliers such as Black & Decker, Craftsman, Delta, Dewalt, Ryobi and Shopsmith. Generally these fences are used with the supplier's own particular brand of saw or router table.
- The mounting block may be machined from any suitable metal such as steel or may be made from a polymeric substance such as Delrin, nylon or polypropylene, by machining or molding. The digital calipers that are useful in the practice of the present invention are available from such manufacturers as Brown & Sharp, Mahr, Mitutoyo, and Starrett.
- Instead of digital calipers, analog calipers and other linear measuring device such as a precision yardstick or ruler may be used to achieve a high level of accuracy in the linear measurements.
- While the invention has been described in combination with embodiments thereof, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing teachings. Accordingly, the invention is intended to embrace all such alternatives, modifications and variations as fall within the spirit and scope of the invention as shown and described herein.
Claims (18)
1. A swivel mounting device comprising:
a) a mounting block for mounting the swivel device on power equipment such as a woodworking or metal working machine;
b) a ball shank comprising a shaft having a first end secured to the mounting block and a second end terminating in a ball and
c) a swivel body mounted on the second end of the ball shank, said swivel body being capable of being affixed to one portion of a measuring device such as a caliper for use in making measurements of a piece of wood or metal on which the power equipment can perform a material removing operation.
2. The swivel mounting device according to claim 1 wherein the swivel body includes a recess in which the ball of the ball shank is retained.
3. The swivel mounting device according to claim 2 where in the swivel body includes a slot to receive and secure said one portion of said measuring device
4. The swivel mounting device according to claim 1 wherein the mounting block is fixedly attached to the power equipment
5. The swivel mounting device according to claim 1 including means selected from among the group consisting of cement, clamps and magnets to secure the mounting block to the power equipment.
6. The swivel mounting device according to claim 5 wherein the shaft of the ball shank includes a planar portion and the mounting block includes at least one set screw bearing against the planar portion to prevent relative rotational motion between the mounting block and the ball shank.
7. The swivel mounting device according to claim 2 wherein the swivel body includes a hole in the bottom of the recess through which the shaft of the ball shank passes, and means for retaining the ball in the recess.
8. A method of making accurate measurements when working with a power tool used for the removal of material from an object while compensating for angularity alignment between the power tool and a measuring device that defines a spatial relationship between the material removal portion of the tool and a portion of the object to be removed the method comprising providing a first device for holding first portion of the measuring device, said device mounted on a portion of the power tool that maintains a fixed spatial relationship with the material removal part of the tool, and a second device for holding a second portion of the measuring device that is movable with respect to the material removal part of the tool, wherein the two devices are spaced apart from one another and allow for changes in the angularity between the measuring device and the power tool without changing the linear spacing between the two portions of the measuring device.
9. The method according to claim 8 wherein said first device and said second device each comprise a) a mounting block for mounting the swivel device said power tool; b) a ball shank comprising a shaft having a first end secured to the mounting block and a second end terminating in a ball and c) a swivel body mounted on the second end of the ball shank, said swivel body being capable of being affixed to one portion of a measuring device such as a caliper for use in making measurements of a piece of wood or metal on which the power equipment can perform an operation.
10. The method according to claim 9 wherein the swivel body includes a recess in which the ball of the ball shank is retained.
11. The method according to claim 10 where in the swivel body includes a slot to receive and secure said one portion of said measuring device
12. The method according to claim 10 wherein the mounting block is fixedly attached to the power tool.
13. The method according to claim 111 including means selected from among the group consisting of cement, clamps and magnets to secure the mounting block to the power equipment.
14. The method according to claim 12 wherein the shaft of the ball shank includes a planar portion and the mounting block includes at least one set screw bearing against the planar portion to prevent relative rotational motion between the mounting block and the ball shank.
15. The method according to claim 14 wherein the swivel body includes a hole in the bottom of the recess through which the shaft of the ball shank passes, and means for retaining the ball in the recess.
16. The method according to claim 8 wherein the power tool is a wood working tool selected from the group consisting of a circular saw, a drill, a router, a planer, and a lathe.
17. The method according to claim 16 wherein the measuring device is a caliper, the first portion of said device is the movable jaw, and the second portion is the fixed jaw.
18. A pair of devices for maintaining lineal accuracy of a measuring instrument adapted for use on equipment for accurately measuring the amount of material to be removed,
a. one device comprising 1) a mounting block for securing the device to a portion of the equipment that is maintained at a fixed distance from the material removal part of the equipment; 2) a ball shank having a free end secured to the mounting block and a ball at the other end; and 3) a swivel body mounted on the ball end of the ball shank and capable of being clamped to one of the jaws of the calipers, and
b. the second device comprising 1) a mounting block for securing the second device to a portion of the equipment that is linearly movable with respect to the material removal part of the equipment; 2) a second ball shank having a free end secured to the second mounting block and a ball at the other end; and 3) a swivel body mounted on the ball end of the ball shank and capable of being clamped on to the other of the jaws of the calipers.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/604,138 US20070125921A1 (en) | 2005-12-01 | 2006-11-24 | Swivel mounting device |
US13/026,329 US8261464B2 (en) | 2005-12-01 | 2011-02-14 | Swivel mounting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74126105P | 2005-12-01 | 2005-12-01 | |
US11/604,138 US20070125921A1 (en) | 2005-12-01 | 2006-11-24 | Swivel mounting device |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/026,329 Continuation US8261464B2 (en) | 2005-12-01 | 2011-02-14 | Swivel mounting device |
Publications (1)
Publication Number | Publication Date |
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US20070125921A1 true US20070125921A1 (en) | 2007-06-07 |
Family
ID=38117773
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/604,138 Abandoned US20070125921A1 (en) | 2005-12-01 | 2006-11-24 | Swivel mounting device |
US13/026,329 Active 2027-02-20 US8261464B2 (en) | 2005-12-01 | 2011-02-14 | Swivel mounting device |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/026,329 Active 2027-02-20 US8261464B2 (en) | 2005-12-01 | 2011-02-14 | Swivel mounting device |
Country Status (1)
Country | Link |
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US (2) | US20070125921A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110031371A1 (en) * | 2008-04-21 | 2011-02-10 | Helmut Rube | Load take-up device for introducing load forces such as cable forces or tension forces of flat structures |
US9221188B1 (en) * | 2010-10-07 | 2015-12-29 | Dennis R. Wisen | Precision positioning of a fence |
US11363761B2 (en) * | 2019-01-17 | 2022-06-21 | Robert V. Neuhoff, JR. | Automated hydroponics system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8438748B1 (en) * | 2008-05-30 | 2013-05-14 | MAG-ORO, Inc. | Caliper mounting accessories |
Citations (11)
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US877934A (en) * | 1907-10-11 | 1908-02-04 | Robert Radcliff Lea | Gage for carpenters' rules, &c. |
US1880979A (en) * | 1930-02-03 | 1932-10-04 | Albert E Parker | Needle straightening clamp |
US4572492A (en) * | 1982-07-16 | 1986-02-25 | Sansin Kiko Co. Ltd. | XYZ Vise |
US4796508A (en) * | 1986-07-31 | 1989-01-10 | Hoshino Gakki Co., Ltd. | Musical instrument support fixture |
US4961269A (en) * | 1988-08-19 | 1990-10-09 | Delta International Machinery Corporation | Bi-directional direct read measurement system |
US4974332A (en) * | 1988-08-19 | 1990-12-04 | Delta International Machinery Corp. | Measurement system reader element standoff |
US5069433A (en) * | 1990-12-19 | 1991-12-03 | Womack Robert C | Article multiple position swivel ball mount with position hold clamping |
US5092059A (en) * | 1988-06-07 | 1992-03-03 | W. R. Grace & Co.-Conn. | Infrared air float bar |
US5207077A (en) * | 1992-03-06 | 1993-05-04 | The University Of Maryland | Refrigeration system |
US5564664A (en) * | 1993-10-13 | 1996-10-15 | Oschwald; Max | Spherical suspension for a technical instrument |
US6880442B2 (en) * | 2001-09-07 | 2005-04-19 | Mark Duginske Llc | Woodworking machinery jig and fixture system |
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JPS54145562A (en) * | 1978-05-04 | 1979-11-13 | Mitsutoyo Seisakusho | Slide calipers with digital display |
US5092058A (en) | 1988-08-19 | 1992-03-03 | Delta International Machinery Corp. | Measurement system magnetic coupler |
US5207007A (en) | 1991-11-25 | 1993-05-04 | Cucinotta Anthony J | Set-up tool |
US5327653A (en) * | 1992-08-19 | 1994-07-12 | Pistorius Robert T | Miter linear measurement gage |
US8004664B2 (en) * | 2002-04-18 | 2011-08-23 | Chang Type Industrial Company | Power tool control system |
US7231858B2 (en) * | 2004-04-13 | 2007-06-19 | Robert Bosch Gmbh | Table saw having a measurement and display system |
US7765712B2 (en) * | 2007-01-05 | 2010-08-03 | American Radionic Company, Inc. | Multiple display electronic caliper |
-
2006
- 2006-11-24 US US11/604,138 patent/US20070125921A1/en not_active Abandoned
-
2011
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Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US877934A (en) * | 1907-10-11 | 1908-02-04 | Robert Radcliff Lea | Gage for carpenters' rules, &c. |
US1880979A (en) * | 1930-02-03 | 1932-10-04 | Albert E Parker | Needle straightening clamp |
US4572492A (en) * | 1982-07-16 | 1986-02-25 | Sansin Kiko Co. Ltd. | XYZ Vise |
US4796508A (en) * | 1986-07-31 | 1989-01-10 | Hoshino Gakki Co., Ltd. | Musical instrument support fixture |
US5092059A (en) * | 1988-06-07 | 1992-03-03 | W. R. Grace & Co.-Conn. | Infrared air float bar |
US4961269A (en) * | 1988-08-19 | 1990-10-09 | Delta International Machinery Corporation | Bi-directional direct read measurement system |
US4974332A (en) * | 1988-08-19 | 1990-12-04 | Delta International Machinery Corp. | Measurement system reader element standoff |
US5069433A (en) * | 1990-12-19 | 1991-12-03 | Womack Robert C | Article multiple position swivel ball mount with position hold clamping |
US5207077A (en) * | 1992-03-06 | 1993-05-04 | The University Of Maryland | Refrigeration system |
US5564664A (en) * | 1993-10-13 | 1996-10-15 | Oschwald; Max | Spherical suspension for a technical instrument |
US6880442B2 (en) * | 2001-09-07 | 2005-04-19 | Mark Duginske Llc | Woodworking machinery jig and fixture system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110031371A1 (en) * | 2008-04-21 | 2011-02-10 | Helmut Rube | Load take-up device for introducing load forces such as cable forces or tension forces of flat structures |
US9221188B1 (en) * | 2010-10-07 | 2015-12-29 | Dennis R. Wisen | Precision positioning of a fence |
US11363761B2 (en) * | 2019-01-17 | 2022-06-21 | Robert V. Neuhoff, JR. | Automated hydroponics system |
US11771014B2 (en) | 2019-01-17 | 2023-10-03 | Robert V. Neuhoff, JR. | Automated hydroponics system |
Also Published As
Publication number | Publication date |
---|---|
US8261464B2 (en) | 2012-09-11 |
US20110135410A1 (en) | 2011-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |