US20190070674A1 - Portable drill press - Google Patents
Portable drill press Download PDFInfo
- Publication number
- US20190070674A1 US20190070674A1 US15/698,176 US201715698176A US2019070674A1 US 20190070674 A1 US20190070674 A1 US 20190070674A1 US 201715698176 A US201715698176 A US 201715698176A US 2019070674 A1 US2019070674 A1 US 2019070674A1
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- United States
- Prior art keywords
- plate
- drill
- clamp
- adjustment
- guide
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/006—Portal drilling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
- B25H1/0057—Devices for securing hand tools to the work
- B25H1/0064—Stands attached to the workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C3/00—Drilling machines or drilling devices; Equipment therefor
- B27C3/08—Operator-supported drilling machines or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/26—Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor
Definitions
- the present invention is generally directed to a tool accessory. Specifically, the present invention is directed to a portable stand or support for positioning a portable drill.
- the present invention is primarily directed to a portable tool support for workers who use portable drills in construction.
- Portable drills provide significant utility in the field. They allow workers to drill bores for installation of building materials and component fasteners. In some cases, the portable drill can also drive the fasteners. While some building materials may come with pre-drilled bore patterns for assembly, conditions in the field may require alterations to the bore pattern. Other materials may require drilling entirely on the fly.
- Portable drills also allow workers to drill in difficult-to-access areas or areas with very limited space and movement.
- One drawback to using a portable drill is lack of guidance during drilling. While large drill presses can drill perfectly perpendicular, evenly distributed patterns of bores using bulky guidance mechanisms, portable drills lack such guidance mechanisms. An operator must push the portable drill into the building material and manually hold it steady while a drill bit rotates. A tired worker or one with a very powerful or otherwise difficult to control portable drill may inadvertently misalign the portable drill. Furthermore, workers with limited ability to measure drilling areas or workers with limited visual and positioning capability, such as a worker drilling in a cramped or awkward position, may also accidentally misalign the portable drill. Such misalignment can create difficulty when connecting building materials, and may cause damage to the building materials and lead to waste. An improperly angled bore may prevent fasteners from sufficiently penetrating building materials, resulting in unsafe installation and construction.
- the present invention is directed to a portable drill press apparatus.
- This apparatus includes a horizontal base plate having an enlarged aperture extending therethrough and a horizontal adjustment plate having an adjustment plate aperture extending therethrough.
- the adjustment plate is parallel to and releasably connected to the base plate by a plurality of releasable fasteners extending through a plurality of adjustment slots in the adjustment plate.
- a plurality of guide bolts extends vertically from the adjustment plate through a horizontal guide plate, the guide plate being parallel to the adjustment plate and slidable along the plurality of guide bolts.
- the guide plate has a guide plate aperture extending therethrough.
- a vertical back plate interconnects the guide plate and at least one drill clamp, the guide plate and drill clamp extending parallel to each other.
- the drill clamp has a variably-sized drill aperture extending therethrough.
- Another embodiment of the present invention is a portable drill press system incorporating the portable drill press apparatus as above.
- the system also includes a portable drill having a drill bit extending through the guide plate aperture. At least part of the portable drill is located within the drill aperture
- FIGS. 1 a , 1 b , 1 c , 1 d , 1 e , 1 f , and 1 g illustrate perspective, top, bottom, front, back, right side, and left side views, respectively, of an exemplary embodiment of a portable drill press.
- FIG. 2 illustrates a perspective view of an alternate embodiment of the portable drill press.
- FIG. 3 a 3 b , and 3 c illustrate top, front, and right side views, respectively, of the exemplary embodiment of a portable drill press.
- FIGS. 4 a and 4 b illustrate side and top views, respectively, of an exemplary embodiment of a base plate of the portable drill press.
- FIGS. 5 a and 5 b illustrate top and side views, respectively, of an exemplary embodiment of an edge plate of the portable drill press.
- FIGS. 6 a and 6 b illustrate front and top views, respectively, of an exemplary embodiment of an adjustment plate of the portable drill press.
- FIGS. 7 a and 7 b illustrate front and top views, respectively, of an exemplary embodiment of a guide plate of the portable drill press.
- FIGS. 8 a and 8 b illustrate side and top views, respectively, of an exemplary embodiment of a bolt sleeve of the portable drill press.
- FIGS. 9 a , 9 b , and 9 c illustrate top, front, and side views, respectively, of an exemplary embodiment of a back plate of the portable drill press.
- FIGS. 10 a , 10 b , and 10 c illustrate back, top, and left side views, respectively, of an exemplary embodiment of a drill clamp of the portable drill press.
- FIGS. 11 a and 11 b illustrate top and front views, respectively, of an alternate embodiment of the drill clamp of the portable drill press.
- FIGS. 11 c and 11 d illustrate right side views of left and right clamp arms, respectively, of an alternate embodiment of the drill clamp of the portable drill press.
- FIG. 12 illustrates a perspective view of the exemplary embodiment of a portable drill press as used with a portable drill.
- FIGS. 1 a through 1 g illustrate perspective, top, bottom, front, back, right side, and left side views, respectively, of an exemplary embodiment of portable drill press 100 .
- Portable drill press 100 includes a base plate 110 removably connected to an optional edge plate 120 .
- Base plate 110 is parallel to and moveably connected to an adjustment plate 130 .
- Guide bolts 140 a and 140 b extending vertically from adjustment plate 130 slidably connect to a guide plate 150 through bolt sleeves 160 a and 160 b , respectively.
- a back plate 170 connects guide plate 150 parallel to a drill clamp 180 or an alternate drill clamp 185 (described in further detail in relation to FIG. 2 below).
- the term “plate” refers to a substantially flat, planar piece of material.
- Base plate 110 is a horizontal, rectangular metal plate with an enlarged aperture 111 extending therethrough.
- enlarged aperture 111 which lies directly above the surface receiving the bore, and extends into the surface. Due to at least one dimension of enlarged aperture 111 that is larger as compared to other apertures located above enlarged aperture 111 , the drill bit may be moved back and forth to accommodate drilling at various locations, as will be shown below.
- enlarged aperture 111 is an oblong aperture with an extended width. In other embodiments, enlarged aperture 111 may be a circular aperture with an enlarged radius.
- Optional edge plate 120 is a vertical, rectangular metal plate. Edge plate 120 may be permanently or removably connected to a left, bottom left, right, or bottom right side of base plate 110 . In the exemplary embodiment, edge plate 120 is connected to and extends downwardly from the bottom right side of base plate 110 . Edge plate 120 allows an operator to precisely drill a straight line of bores, all at the same distance from an edge in contact with an inner or outer vertical surface of edge plate 120 . Edge plate 120 also allows the operator to drill rounded surfaces, such as round stock or a convex surface, by providing a second plane (in combination with base plate 110 ) to hold portable drill press 100 in place on the rounded surface. In certain embodiments, the operator may remove edge plate 120 in the event that the operator is drilling on a large flat surface, such as a floor or wall, and use other means to ensure a straight line of bores.
- Adjustment plate 130 is a horizontal, rectangular metal plate with an adjustment plate aperture 131 extending therethrough. During drilling, the drill bit passes through adjustment plate aperture 131 .
- Releasable fasteners 132 extending through adjustment slots 133 a and 133 b to base plate 110 affix adjustment plate 130 atop base plate 110 at a variety of positions.
- adjustment slots 133 a and 133 b expand and contract at discrete intervals along their length. When contracted, adjustment slots 133 a and 133 b are narrower than releasable fasteners 132 to allow adjustment only in such intervals.
- adjustment slots 133 a and 133 b are unvarying in width to allow adjustment at any interval desired (see FIG. 2 ). In certain other embodiments, either adjustment slot 133 a or adjustment slot 133 b may have unvarying width, while the other is of the varying width type.
- edge plate 120 may be positioned on the right or left side relative to drill clamp 180 , eliminating limitations on guidance provided by edge plate 120 and/or the handedness of a person using portable drill press 100 .
- Adjustment plate 130 also includes threaded bolt apertures 134 a and 134 b which removably receive the threaded ends of guide bolts 140 a and 140 b .
- Guide bolts 140 a and 140 b slidably connect to guide plate 150 through bolt sleeves 160 a and 160 b , respectively.
- Guide bolts 140 a and 140 b extend through sleeve channels 161 a and 161 b , respectively.
- Bolt stops 141 a and 141 b are located at the upper ends of guide bolts 140 a and 140 b .
- Bolt stops 141 a and 141 b are wider than sleeve channels 161 a and 161 b to prevent the assembly of guide plate 150 , back plate 170 , and drill clamp 180 from falling off of guide bolts 140 a and 140 b .
- Guide bolts 140 a and 140 b are removable, allowing replacement with longer or shorter guide bolts 140 a and 140 b to accommodate different lengths of drill bits and bores.
- Guide plate 150 is a horizontal, rectangular metal plate with a guide plate aperture 151 extending therethrough. During drilling, the drill bit extends through guide plate aperture 151 .
- Sleeve receivers 152 a and 152 b receive the lower ends of bolt sleeves 160 a and 160 b in a friction fit.
- Back plate 170 is a vertical metal plate.
- the upper end of back plate 170 has a length that matches the length of drill clamp 180
- the lower end of back plate 170 has a length that matches the length of guide plate 150 . This fully supports both guide plate 150 and drill clamp 180 , while reducing the overall weight and bulk of portable drill press 100 .
- back plate 170 has a half-octagonal configuration of a combined trapezoid and rectangle, with the shorter length being connected to drill clamp 180 and the longer length being connected to guide plate 150 , though other configurations are possible and contemplated.
- Drill clamp 180 is a horizontal, rectangular metal plate with a variably-sized drill aperture 181 extending therethrough. During drilling, at least part of the portable drill is held securely within drill aperture 181 . Drill clamp 180 has a length smaller than a length of guide plate 150 to accommodate motion up and down guide bolts 140 a and 140 b . Drill clamp 180 is partially split to form clamp flanges 182 a and 182 b . Clamp flanges 182 a and 182 b may move apart and come together through rotation of a clamp bolt 184 extending through clamp tabs 183 a and 183 b . This has the effect of expanding and contracting drill aperture 181 to allow the insertion, clamping, and removal of the portable drill. Because different portable drills may have different sizes and configurations, drill clamp 180 is removable from back plate 170 . Drill clamp 180 may be replaced with another drill clamp 180 with a differently sized or configured drill aperture 181 , or with alternate drill clamp 185 .
- FIG. 2 illustrates a perspective view of an alternate embodiment of portable drill press 100 featuring optional measuring indicia 112 and an optional interval rod 135 .
- FIG. 2 also shows portable drill press 100 with edge plate 120 removed, and with alternate drill clamp 185 replacing drill clamp 180 .
- a surface of base plate 110 includes a plurality of measuring indicia 112 .
- Measuring indicia 112 may be incised in or printed on the upper or side surface of base plate 110 , or may be formed on an attached member, such as, but not limited to, a printed polymer tape.
- Measuring indicia 112 allow the operator to, by way of non-limiting example, precisely determine the distance of a first bore from a floor edge, allowing the operator to set up portable drill press 100 to drill a series of bores in line with the first bore.
- measuring indicia 112 may be placed on multiple locations on base plate 110 .
- Interval rod 135 allows the operator to space drilled bores a predetermined distance apart.
- Interval rod 135 has a threaded end removably located within a threaded interval rod aperture 136 on at least one side of adjustment plate 130 .
- interval rod 135 is marked with length indicia allowing the operator to measure the appropriate distance between bores.
- interval rod 135 terminates at the predetermined distance between bores, allowing the operator to visually align interval rod 135 with the last-drilled bore. This embodiment may use multiple interchangeable interval rods 135 having different sizes to drill different lines of bores with different spacings between bores.
- interval rod 135 has an L-shaped configuration with a horizontal and a vertical leg, allowing the vertical leg to be dropped in the last-drilled bore.
- This embodiment may also use multiple interchangeable interval rods 135 with different sizes of the horizontal leg to drill different spacings between bores.
- Alternate drill clamp 185 features a drill aperture 181 formed by two separate clamp arms 186 a and 186 b having concave inner surfaces. During drilling, the portable drill is held securely within drill aperture 181 between clamp arms 186 a and 186 b . Each of clamp arms 186 a and 186 b connects directly to back plate 170 using clamp fasteners 187 a and 187 b , respectively, extending through clamp slots 188 a and 188 b , again respectively. Clamp slots 188 a and 188 b allow precise incremental adjustment of the position of clamp arms 186 a and 186 b to accommodate a wide variety of portable drill sizes and configurations.
- clamp bolt 184 extends directly through clamp arms 186 a and 186 b to provide additional clamping force on the portable drill.
- Alternate drill clamp 185 can be used as a replacement for drill clamp 180 , or used of its own accord in portable drill press 100 if, by way of non-limiting example, an operator anticipated fitting a wide variety of drills to portable drill press 100 .
- portable drill press 100 includes multiple interchangeable drill clamps 180 and/or alternate drill clamps 185 . Each of the interchangeable drill clamps 180 and/or alternate drill clamps 185 has a different dimension or different configuration from another to ensure a wide variety of drills.
- FIGS. 3 a through 3 c illustrate additional top, front, and right side views, respectively, of the exemplary embodiment of portable drill press 100 as shown in FIG. 1 .
- FIGS. 4 a through 11 d illustrate multiple view of various components of portable drill press 100 .
- FIGS. 4 a and 4 b illustrate side and top views, respectively, of base plate 110 .
- FIGS. 5 a and 5 b illustrate top and side views, respectively, of edge plate 120 .
- FIGS. 6 a and 6 b illustrate front and top views, respectively, of adjustment plate 130 .
- FIGS. 7 a and 7 b illustrate front and top views, respectively, of guide plate 150 .
- FIGS. 8 a and 8 b illustrate side and top views, respectively, of bolt sleeve 160 a .
- FIGS. 9 a , 9 b , and 9 c illustrate top, front, and side views, respectively, of back plate 170 .
- FIGS. 10 a , 10 b , and 10 c illustrate back, top, and left side views, respectively, of drill clamp 180 .
- FIGS. 11 a and 11 b illustrate top and front views, respectively, of alternate drill clamp 185 .
- FIGS. 11 c and 11 d illustrate right side views of left and right clamp arms 186 a and 186 b , respectively.
- FIG. 12 illustrates a perspective view of the exemplary embodiment of a portable drill press as used with a portable drill.
- the operator places base plate 110 of portable drill press 100 on the surface to be drilled. If used, edge plate 120 is aligned with a side or curved surface.
- the operator inserts the drill bit and part of the portable drill through drill aperture 181 until the drill bit reaches a proper drilling depth, then tightens drill clamp 181 or alternate drill clamp 185 to hold the portable drill in place.
- the operator releases releasable fasteners 132 , moves adjustment plate 130 laterally across base plate 110 until adjustment plate aperture 131 is centered on the location to be drilled, and fastens down releasable fasteners 132 . Lateral movement of adjustment plate 130 may be guided by measuring indicia 120 or some other measurement means.
- the operator may then drill a hole by activating the portable drill and moving guide plate 150 down guide bolts 140 until guide plate 150 contacts bolt sleeves 160 a and 160 b .
- the operator can then lift the portable drill up until it disengages from the surface.
- the operator moves portable drill press 100 a specific length along the surface and repeats the process. Movement along the surface may be guided by interval rod 135 or some other measurement means.
- any version of any component or method step of the invention may be used with any other component or method step of the invention.
- the elements described herein can be used in any combination whether explicitly described or not. All combinations of method steps as used herein can be performed in any order, unless otherwise specified or clearly implied to the contrary by the context in which the referenced combination is made.
- Numerical ranges as used herein are intended to include every number and subset of numbers contained within the range, whether specifically disclosed or not. Further, these numerical ranges should be construed as providing support for a claim directed to any number of subset of numbers in that range. For example, a disclosure of from 1 to 10 should be construed as supporting a range of from 2 to 8, from 3 to 7, from 5 to 6, from 1 to 9, from 3.6 to 4.6, from 3.5 to 9.9, and so forth.
- the devices, methods, compounds and composition of the present invention can comprise, consist of, or consist essentially of the essential elements and limitations described herein, as well as any additional or optional steps, ingredients, components, or limitations described herein or otherwise useful in the art.
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Abstract
Description
- The present invention is generally directed to a tool accessory. Specifically, the present invention is directed to a portable stand or support for positioning a portable drill.
- The present invention is primarily directed to a portable tool support for workers who use portable drills in construction. Portable drills provide significant utility in the field. They allow workers to drill bores for installation of building materials and component fasteners. In some cases, the portable drill can also drive the fasteners. While some building materials may come with pre-drilled bore patterns for assembly, conditions in the field may require alterations to the bore pattern. Other materials may require drilling entirely on the fly. Portable drills also allow workers to drill in difficult-to-access areas or areas with very limited space and movement.
- One drawback to using a portable drill is lack of guidance during drilling. While large drill presses can drill perfectly perpendicular, evenly distributed patterns of bores using bulky guidance mechanisms, portable drills lack such guidance mechanisms. An operator must push the portable drill into the building material and manually hold it steady while a drill bit rotates. A tired worker or one with a very powerful or otherwise difficult to control portable drill may inadvertently misalign the portable drill. Furthermore, workers with limited ability to measure drilling areas or workers with limited visual and positioning capability, such as a worker drilling in a cramped or awkward position, may also accidentally misalign the portable drill. Such misalignment can create difficulty when connecting building materials, and may cause damage to the building materials and lead to waste. An improperly angled bore may prevent fasteners from sufficiently penetrating building materials, resulting in unsafe installation and construction.
- It is therefore an object of the present invention to provide a portable drill press capable of mounting to multiple different types of portable drills for drilling perpendicular bores into building materials.
- The present invention is directed to a portable drill press apparatus. This apparatus includes a horizontal base plate having an enlarged aperture extending therethrough and a horizontal adjustment plate having an adjustment plate aperture extending therethrough. The adjustment plate is parallel to and releasably connected to the base plate by a plurality of releasable fasteners extending through a plurality of adjustment slots in the adjustment plate. A plurality of guide bolts extends vertically from the adjustment plate through a horizontal guide plate, the guide plate being parallel to the adjustment plate and slidable along the plurality of guide bolts. The guide plate has a guide plate aperture extending therethrough. A vertical back plate interconnects the guide plate and at least one drill clamp, the guide plate and drill clamp extending parallel to each other. The drill clamp has a variably-sized drill aperture extending therethrough.
- Another embodiment of the present invention is a portable drill press system incorporating the portable drill press apparatus as above. The system also includes a portable drill having a drill bit extending through the guide plate aperture. At least part of the portable drill is located within the drill aperture
- The objects and advantages of the invention will appear more fully from the following detailed description of the preferred embodiment of the invention made in conjunction with the accompanying drawings and photographs.
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FIGS. 1a, 1b, 1c, 1d, 1e, 1f, and 1g illustrate perspective, top, bottom, front, back, right side, and left side views, respectively, of an exemplary embodiment of a portable drill press. -
FIG. 2 illustrates a perspective view of an alternate embodiment of the portable drill press. -
FIG. 3a 3b, and 3c illustrate top, front, and right side views, respectively, of the exemplary embodiment of a portable drill press. -
FIGS. 4a and 4b illustrate side and top views, respectively, of an exemplary embodiment of a base plate of the portable drill press. -
FIGS. 5a and 5b illustrate top and side views, respectively, of an exemplary embodiment of an edge plate of the portable drill press. -
FIGS. 6a and 6b illustrate front and top views, respectively, of an exemplary embodiment of an adjustment plate of the portable drill press. -
FIGS. 7a and 7b illustrate front and top views, respectively, of an exemplary embodiment of a guide plate of the portable drill press. -
FIGS. 8a and 8b illustrate side and top views, respectively, of an exemplary embodiment of a bolt sleeve of the portable drill press. -
FIGS. 9a, 9b, and 9c illustrate top, front, and side views, respectively, of an exemplary embodiment of a back plate of the portable drill press. -
FIGS. 10a, 10b, and 10c illustrate back, top, and left side views, respectively, of an exemplary embodiment of a drill clamp of the portable drill press. -
FIGS. 11a and 11b illustrate top and front views, respectively, of an alternate embodiment of the drill clamp of the portable drill press. -
FIGS. 11c and 11d illustrate right side views of left and right clamp arms, respectively, of an alternate embodiment of the drill clamp of the portable drill press. -
FIG. 12 illustrates a perspective view of the exemplary embodiment of a portable drill press as used with a portable drill. - For ease of viewing, not all elements identified in one drawing are necessarily identified in every other drawing.
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FIGS. 1a through 1g illustrate perspective, top, bottom, front, back, right side, and left side views, respectively, of an exemplary embodiment ofportable drill press 100. Referring now to the drawings, the present invention is directed toportable drill press 100 for a portable drill terminating in a drill bit D (shown inFIG. 1c ).Portable drill press 100 includes abase plate 110 removably connected to anoptional edge plate 120.Base plate 110 is parallel to and moveably connected to anadjustment plate 130.Guide bolts adjustment plate 130 slidably connect to aguide plate 150 throughbolt sleeves back plate 170 connectsguide plate 150 parallel to adrill clamp 180 or an alternate drill clamp 185 (described in further detail in relation toFIG. 2 below). As used in this application, the term “plate” refers to a substantially flat, planar piece of material. -
Base plate 110 is a horizontal, rectangular metal plate with anenlarged aperture 111 extending therethrough. During drilling, at least part of the drill bit passes throughenlarged aperture 111, which lies directly above the surface receiving the bore, and extends into the surface. Due to at least one dimension ofenlarged aperture 111 that is larger as compared to other apertures located aboveenlarged aperture 111, the drill bit may be moved back and forth to accommodate drilling at various locations, as will be shown below. In the exemplary embodiment,enlarged aperture 111 is an oblong aperture with an extended width. In other embodiments,enlarged aperture 111 may be a circular aperture with an enlarged radius. -
Optional edge plate 120 is a vertical, rectangular metal plate.Edge plate 120 may be permanently or removably connected to a left, bottom left, right, or bottom right side ofbase plate 110. In the exemplary embodiment,edge plate 120 is connected to and extends downwardly from the bottom right side ofbase plate 110.Edge plate 120 allows an operator to precisely drill a straight line of bores, all at the same distance from an edge in contact with an inner or outer vertical surface ofedge plate 120.Edge plate 120 also allows the operator to drill rounded surfaces, such as round stock or a convex surface, by providing a second plane (in combination with base plate 110) to holdportable drill press 100 in place on the rounded surface. In certain embodiments, the operator may removeedge plate 120 in the event that the operator is drilling on a large flat surface, such as a floor or wall, and use other means to ensure a straight line of bores. -
Adjustment plate 130 is a horizontal, rectangular metal plate with anadjustment plate aperture 131 extending therethrough. During drilling, the drill bit passes throughadjustment plate aperture 131.Releasable fasteners 132 extending throughadjustment slots base plate 110affix adjustment plate 130 atopbase plate 110 at a variety of positions. In the exemplary embodiment ofFIG. 1a ,adjustment slots adjustment slots releasable fasteners 132 to allow adjustment only in such intervals. In other embodiments,adjustment slots FIG. 2 ). In certain other embodiments, eitheradjustment slot 133 a oradjustment slot 133 b may have unvarying width, while the other is of the varying width type. - If desired, the operator may remove
releasable fasteners 132 to rotateadjustment plate 130 through 180 degrees and adopt an opposite orientation with respect tobase plate 110. This allowsedge plate 120 to be positioned on the right or left side relative to drillclamp 180, eliminating limitations on guidance provided byedge plate 120 and/or the handedness of a person usingportable drill press 100. -
Adjustment plate 130 also includes threadedbolt apertures guide bolts Guide bolts plate 150 throughbolt sleeves Guide bolts sleeve channels guide bolts sleeve channels guide plate 150, backplate 170, anddrill clamp 180 from falling off ofguide bolts Guide bolts shorter guide bolts -
Guide plate 150 is a horizontal, rectangular metal plate with aguide plate aperture 151 extending therethrough. During drilling, the drill bit extends throughguide plate aperture 151.Sleeve receivers bolt sleeves -
Back plate 170 is a vertical metal plate. In the exemplary embodiment, the upper end ofback plate 170 has a length that matches the length ofdrill clamp 180, while the lower end ofback plate 170 has a length that matches the length ofguide plate 150. This fully supports bothguide plate 150 anddrill clamp 180, while reducing the overall weight and bulk ofportable drill press 100. In the exemplary embodiment, backplate 170 has a half-octagonal configuration of a combined trapezoid and rectangle, with the shorter length being connected to drillclamp 180 and the longer length being connected to guideplate 150, though other configurations are possible and contemplated. -
Drill clamp 180 is a horizontal, rectangular metal plate with a variably-sized drill aperture 181 extending therethrough. During drilling, at least part of the portable drill is held securely withindrill aperture 181.Drill clamp 180 has a length smaller than a length ofguide plate 150 to accommodate motion up and down guidebolts Drill clamp 180 is partially split to formclamp flanges Clamp flanges clamp bolt 184 extending throughclamp tabs contracting drill aperture 181 to allow the insertion, clamping, and removal of the portable drill. Because different portable drills may have different sizes and configurations,drill clamp 180 is removable fromback plate 170.Drill clamp 180 may be replaced with anotherdrill clamp 180 with a differently sized or configureddrill aperture 181, or withalternate drill clamp 185. -
FIG. 2 illustrates a perspective view of an alternate embodiment ofportable drill press 100 featuring optional measuringindicia 112 and anoptional interval rod 135.FIG. 2 also showsportable drill press 100 withedge plate 120 removed, and withalternate drill clamp 185 replacingdrill clamp 180. - In certain embodiments, a surface of
base plate 110 includes a plurality of measuringindicia 112. Measuringindicia 112 may be incised in or printed on the upper or side surface ofbase plate 110, or may be formed on an attached member, such as, but not limited to, a printed polymer tape. Measuringindicia 112 allow the operator to, by way of non-limiting example, precisely determine the distance of a first bore from a floor edge, allowing the operator to set upportable drill press 100 to drill a series of bores in line with the first bore. In certain embodiments, measuringindicia 112 may be placed on multiple locations onbase plate 110. -
Interval rod 135 allows the operator to space drilled bores a predetermined distance apart.Interval rod 135 has a threaded end removably located within a threadedinterval rod aperture 136 on at least one side ofadjustment plate 130. In the exemplary embodiment,interval rod 135 is marked with length indicia allowing the operator to measure the appropriate distance between bores. In another embodiment,interval rod 135 terminates at the predetermined distance between bores, allowing the operator to visually aligninterval rod 135 with the last-drilled bore. This embodiment may use multipleinterchangeable interval rods 135 having different sizes to drill different lines of bores with different spacings between bores. In yet another embodiment,interval rod 135 has an L-shaped configuration with a horizontal and a vertical leg, allowing the vertical leg to be dropped in the last-drilled bore. This embodiment may also use multipleinterchangeable interval rods 135 with different sizes of the horizontal leg to drill different spacings between bores. -
Alternate drill clamp 185 features adrill aperture 181 formed by twoseparate clamp arms drill aperture 181 betweenclamp arms clamp arms plate 170 usingclamp fasteners clamp slots Clamp slots clamp arms clamp bolt 184 extends directly throughclamp arms Alternate drill clamp 185 can be used as a replacement fordrill clamp 180, or used of its own accord inportable drill press 100 if, by way of non-limiting example, an operator anticipated fitting a wide variety of drills toportable drill press 100. In certain embodiments,portable drill press 100 includes multiple interchangeable drill clamps 180 and/or alternate drill clamps 185. Each of the interchangeable drill clamps 180 and/or alternate drill clamps 185 has a different dimension or different configuration from another to ensure a wide variety of drills. -
FIGS. 3a through 3c illustrate additional top, front, and right side views, respectively, of the exemplary embodiment ofportable drill press 100 as shown inFIG. 1 .FIGS. 4a through 11d illustrate multiple view of various components ofportable drill press 100.FIGS. 4a and 4b illustrate side and top views, respectively, ofbase plate 110.FIGS. 5a and 5b illustrate top and side views, respectively, ofedge plate 120.FIGS. 6a and 6b illustrate front and top views, respectively, ofadjustment plate 130.FIGS. 7a and 7b illustrate front and top views, respectively, ofguide plate 150.FIGS. 8a and 8b illustrate side and top views, respectively, ofbolt sleeve 160 a.FIGS. 9a, 9b, and 9c illustrate top, front, and side views, respectively, ofback plate 170.FIGS. 10a, 10b, and 10c illustrate back, top, and left side views, respectively, ofdrill clamp 180.FIGS. 11a and 11b illustrate top and front views, respectively, ofalternate drill clamp 185.FIGS. 11c and 11d illustrate right side views of left and right clamparms -
FIG. 12 illustrates a perspective view of the exemplary embodiment of a portable drill press as used with a portable drill. In use, the operator placesbase plate 110 ofportable drill press 100 on the surface to be drilled. If used,edge plate 120 is aligned with a side or curved surface. The operator inserts the drill bit and part of the portable drill throughdrill aperture 181 until the drill bit reaches a proper drilling depth, then tightensdrill clamp 181 oralternate drill clamp 185 to hold the portable drill in place. Next, the operator releasesreleasable fasteners 132, movesadjustment plate 130 laterally acrossbase plate 110 untiladjustment plate aperture 131 is centered on the location to be drilled, and fastens downreleasable fasteners 132. Lateral movement ofadjustment plate 130 may be guided by measuringindicia 120 or some other measurement means. - The operator may then drill a hole by activating the portable drill and moving
guide plate 150 down guide bolts 140 untilguide plate 150 contacts boltsleeves interval rod 135 or some other measurement means. - Any version of any component or method step of the invention may be used with any other component or method step of the invention. The elements described herein can be used in any combination whether explicitly described or not. All combinations of method steps as used herein can be performed in any order, unless otherwise specified or clearly implied to the contrary by the context in which the referenced combination is made.
- As used herein, the singular forms “a,” “an,” and “the” include plural referents unless the content clearly dictates otherwise.
- Numerical ranges as used herein are intended to include every number and subset of numbers contained within the range, whether specifically disclosed or not. Further, these numerical ranges should be construed as providing support for a claim directed to any number of subset of numbers in that range. For example, a disclosure of from 1 to 10 should be construed as supporting a range of from 2 to 8, from 3 to 7, from 5 to 6, from 1 to 9, from 3.6 to 4.6, from 3.5 to 9.9, and so forth.
- All patents, patent publications, and peer-reviewed publications (i.e., “references”) cited herein are expressly incorporated by reference in their entirety to the same extent as if each individual reference were specifically and individually indicated as being incorporated by reference. In case of conflict between the present disclosure and the incorporated reference, the patent disclosure controls.
- The devices, methods, compounds and composition of the present invention can comprise, consist of, or consist essentially of the essential elements and limitations described herein, as well as any additional or optional steps, ingredients, components, or limitations described herein or otherwise useful in the art.
- While this invention may be embodied in many forms, what is described in detail herein is a specific preferred embodiment of the invention. The present disclosure is an exemplification of the principles of the invention is not intended to limit the invention to the particular embodiments illustrated. It is to be understood that this invention is not limited to the particular examples, process steps, and materials disclosed herein as such process steps and materials may vary somewhat. It is also understood that the terminology used herein is used for the purpose of describing particular embodiments only and is not intended to be limiting since the scope of the present invention will be limited to only the appended claims and equivalents thereof.
Claims (20)
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US15/698,176 US10239128B1 (en) | 2017-09-07 | 2017-09-07 | Portable drill press |
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US15/698,176 US10239128B1 (en) | 2017-09-07 | 2017-09-07 | Portable drill press |
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US20190070674A1 true US20190070674A1 (en) | 2019-03-07 |
US10239128B1 US10239128B1 (en) | 2019-03-26 |
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Cited By (1)
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USD975516S1 (en) * | 2021-08-18 | 2023-01-17 | Woodpeckers, Llc | Drill guide |
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CN110055898B (en) * | 2019-04-27 | 2020-11-24 | 无锡市伟通建设工程有限公司 | Road and bridge dotting device for municipal construction |
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US6655428B1 (en) * | 2002-03-19 | 2003-12-02 | Keith Kornhoff | Dowel hole & slot cutter |
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US3008359A (en) * | 1959-02-25 | 1961-11-14 | Time Saver Sales Inc | Apparatus for boring a hole in a desired directional alignment |
US2997900A (en) * | 1959-11-09 | 1961-08-29 | Lawrence E Pugsley | Multipurpose tool fixture |
US3096798A (en) * | 1960-06-06 | 1963-07-09 | Lawrence E Pugsley | Electrical multipurpose shop tool |
US3708238A (en) * | 1970-12-03 | 1973-01-02 | Speed Fastener Inc | Alignment jig for electric screw driver or the like |
US3890058A (en) | 1973-11-01 | 1975-06-17 | Rhodes Investment Company | Drill guiding apparatus |
US4349301A (en) | 1980-04-28 | 1982-09-14 | Boyajian Alfred | Carriage support for power-driven hand tool |
US4391558A (en) | 1980-12-01 | 1983-07-05 | Perry Larelle T | Drill jig |
US4565470A (en) * | 1982-07-12 | 1986-01-21 | William E. Mouzavires | Apparatus for hand drilling |
DE3343683A1 (en) | 1983-12-02 | 1985-06-13 | Robert 5446 Engeln Wolff | DRILLING AND MILLING GUIDE FOR INTERCHANGEABLE DRIVING MACHINES |
US5713702A (en) * | 1995-04-13 | 1998-02-03 | Turner; Gordon Henry | Adaptors for a drill stand |
US6860682B1 (en) | 2002-07-22 | 2005-03-01 | Michael W Le Picq | Electric drill guide apparatus |
US7290574B2 (en) * | 2003-10-07 | 2007-11-06 | Credo Technology Corporation | Power tool support fixture |
EP2066472A4 (en) | 2006-10-06 | 2011-02-02 | Black & Decker Inc | Joist drill |
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US6655428B1 (en) * | 2002-03-19 | 2003-12-02 | Keith Kornhoff | Dowel hole & slot cutter |
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USD975516S1 (en) * | 2021-08-18 | 2023-01-17 | Woodpeckers, Llc | Drill guide |
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