# US 10,369,642 B2 · Power tool with protected circuit board orientation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,369,642 B2 - Document ID: US10369642B2 - Status: Granted - Kind: B2 - Application number: 15/060,776 - Filed: 2016-03-04 - Published: 2016-09-15 - Granted: 2019-08-06 - Earliest claimed: 2015-03-12 - Assignees: Robert Bosch Tool Corporation; Robert Bosch GmbH - Applicants: Robert Bosch Tool Corporation; Robert Bosch GmbH - Inventors: Eric Laliberte; Timothy Szweda - Web page: https://patentgrep.com/patent/US10369642B2 ## CPC - B23D 59/002: {for the position of the saw blade (mounting for swiveling or tilting a circular saw blade B27B5/36; portable power-driven circular saws with adjustment for cutting depth or amount of tilting B27B9/02)} - B23D 45/067: {the saw blade being adjustable according to depth or angle of cut} - B23D 47/08: of devices for bringing the circular saw blade to the workpiece or removing same therefrom - B23D 59/006: {for removing or collecting chips} - B27G 19/02: for circular saws - B23D: PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR (making toothed gears or the like B23F; cutting metal by applying heat locally B23K; arrangements for copying or controlling B23Q) - B27G: ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS (tools for grinding B24D; sawing tools B27B33/00; tools for slotting or mortising machines B27F5/02; tools for the manufacture of wood shavings, chips, powder or the like B27L11/00); SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS ## Abstract A power tool assembly includes a drop arm assembly movable along a drop plane, an actuating device configured to transfer a force to the drop arm assembly to force the drop arm assembly along the drop plane, and a tool control unit assembly configured to control the power tool assembly, the tool control unit assembly including a printed circuit board (PCB) generally defining a PCB plane which is not perpendicular to the drop plane. ## Claims ### Claim 1 A power tool assembly comprising: a drop arm assembly movable along a drop plane; an actuating device configured to transfer a force to the drop arm assembly to force the drop arm assembly along the drop plane; a tool control unit assembly configured to control the power tool assembly, the tool control unit assembly including a printed circuit board (PCB) generally defining a PCB plane which is not perpendicular to the drop plane; and a bevel carriage, wherein the PCB is mounted to the bevel carriage, the PCB has a length and a width defining a first area, the bevel carriage defines an opening defining a length and a width of a second area, the second area is greater than the first area, and the PCB is aligned with the opening. ### Claim 2 (depends on 1) The power tool assembly of claim 1, wherein the PCB plane defines an angle of less than 15° and greater than 0° with respect to the drop plane. ### Claim 3 (depends on 2) The power tool assembly of claim 2, the tool control unit assembly further comprising; an outer housing to which the PCB is mounted; and an inner housing to which the outer housing is mounted, the inner housing mounted to the bevel carriage. ### Claim 4 (depends on 3) The power tool assembly of claim 3, wherein: the inner and outer housings are formed from non-conductive materials; and the bevel carriage is formed from a conductive material. ### Claim 5 (depends on 4) The power tool assembly of claim 4, wherein the PCB is not located within the drop plane. ### Claim 6 (depends on 3) The power tool assembly of claim 3, the PCB further comprising: a communications port accessible through the outer housing, the communications port configured to provide electronic access to the PCB from outside of the power tool assembly. ### Claim 7 (depends on 6) The power tool assembly of claim 6, further comprising: a dust shroud attached to the bevel carriage, the dust shroud including a dust port; and a base housing including a dust port access slot configured to allow access to the dust port at a plurality of bevel carriage bevel angles, wherein the communications port is positioned such that when the bevel carriage is at a 0° bevel the communications port is not aligned with the dust port access slot, and when the bevel carriage is at a 45° bevel the communications port is aligned with the dust port access slot. ### Claim 8 (depends on 7) The power tool assembly of claim 7, further comprising: a cover covering the communications port; and a tamper resistant screw fixing the cover over the communications port. ### Claim 9 (depends on 1) The power tool assembly of claim 1, wherein: the tool control unit assembly further comprises an outer housing to which the PCB is mounted, and an inner housing to which the outer housing is mounted, the inner housing mounted to a bevel carriage; the actuating device is housed by an actuator housing; and the tool control unit assembly is spaced apart from the actuator housing. ### Claim 10 A table saw assembly comprising: a drop arm assembly movable along a drop plane; a saw control unit assembly configured to control the table saw assembly, the saw control unit assembly including a printed circuit board (PCB) generally defining a PCB plane which is not perpendicular to the drop plane; and a bevel carriage, wherein the PCB is mounted to the bevel carriage, the PCB has a length and a width defining a first area, the bevel carriage defines an opening defining a length and a width of a second area, the second area is greater than the first area, and the PCB is aligned with the opening. ### Claim 11 (depends on 10) The table saw assembly of claim 10, wherein the PCB plane defines an angle of less than 15° and greater than 0° with respect to the drop plane. ### Claim 12 (depends on 10) The table saw assembly of claim 10, the saw control unit assembly further comprising; an outer housing to which the PCB is mounted; and an inner housing to which the outer housing is mounted, the inner housing mounted to the bevel carriage. ### Claim 13 (depends on 12) The table saw assembly of claim 12, wherein: the inner and outer housings are formed from non-conductive material; and the bevel carriage is formed from conductive material. ### Claim 14 (depends on 13) The table saw assembly of claim 13, wherein the PCB is not located within the drop plane. ### Claim 15 (depends on 12) The table saw assembly of claim 12, the PCB further comprising: a communications port accessible through the outer housing, the communications port configured to provide electronic access to the PCB from outside of the power tool assembly. ### Claim 16 (depends on 15) The table saw assembly of claim 15, further comprising: a dust shroud attached to the bevel carriage, the dust shroud including a dust port; and a base housing including a dust port access slot configured to allow access to the dust port at a plurality of bevel carriage bevel angles, wherein the communications port is positioned such that when the bevel carriage is at a 0° bevel the communications port is not aligned with the dust port access slot, and when the bevel carriage is at a 45° bevel the communications port is aligned with the dust port access slot. ### Claim 17 (depends on 16) The table saw assembly of claim 16, further comprising: a cover covering the communications port; and a tamper resistant screw fixing the cover over the communications port. ### Claim 18 (depends on 10) The table saw assembly of claim 10, wherein: the saw control unit assembly further comprises an outer housing to which the PCB is mounted, and an inner housing to which the outer housing is mounted, the inner housing mounted to a bevel carriage; and the saw control unit assembly is spaced apart from an actuator housing, wherein the actuator housing houses an actuating device configured to transfer a force to the drop arm assembly to force the drop arm assembly along the drop plane. ### Claim 19 A power tool assembly comprising: a drop arm assembly movable along a drop plane; an actuating device configured to transfer a force to the drop arm assembly to force the drop arm assembly along the drop plane; a tool control unit assembly configured to control the power tool assembly, the tool control unit assembly including a printed circuit board (PCB) mounted on a bevel carriage; a dust shroud attached to the bevel carriage, the dust shroud including a dust port; a base housing including a dust port access slot configured to allow access to the dust port at a plurality of bevel carriage bevel angles; and a communications port mounted to the bevel carriage and configured to provide electronic access to the PCB from outside of the base housing, wherein the communications port is positioned such that the communications port is aligned with the dust port access slot at a first of the plurality of bevel carriage bevel angles, and such that the communications port is not aligned with the dust port access slot at a second of the plurality of bevel carriage bevel angles. ### Claim 20 (depends on 19) The power tool assembly of claim 19, wherein: the first of the plurality of bevel carriage bevel angles is 45°; and the second of the plurality of bevel carriage bevel angles is 0°.