# US 11,027,347 B2 · Reciprocating saw > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,027,347 B2 - Document ID: US11027347B2 - Status: Granted - Kind: B2 - Application number: 16/188,382 - Filed: 2018-11-13 - Published: 2019-03-14 - Granted: 2021-06-08 - Earliest claimed: 2013-06-06 - Assignees: Milwaukee Electric Tool Corporation - Applicants: Milwaukee Electric Tool Corporation - Inventors: Joshua Adams; Ryan J. Denissen - Web page: https://patentgrep.com/patent/US11027347B2 ## CPC - B23D 51/00: Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts (constructional features of these parts per se B23Q; details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F5/00); Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends - B25F 5/02: Construction of casings, bodies or handles {(B25F5/006, B25F5/008 take precedence)} - 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) - B25F: COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR {(machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass B23P23/00 and subgroups)} ## Abstract A reciprocating saw includes an outer housing defining a longitudinal axis, a casing positioned within the outer housing, an upstream opening between the outer housing and the casing, a downstream opening, and an egress path extending between the upstream opening and the downstream opening. The egress path includes an upstream portion that extends along the longitudinal axis, a downstream portion that extends in a direction transverse to the longitudinal axis, and a redirecting surface positioned between the upstream portion and the downstream portion. ## Claims ### Claim 1 A reciprocating saw comprising: a motor; an outer housing defining a longitudinal axis; a blade driven by the motor to reciprocate during a cutting operation, the blade extending from the outer housing at a blade end of the outer housing; a gear casing positioned within the outer housing; a motor casing and an end plate coupling the gear casing to the motor casing, wherein the end plate includes a redirecting surface; an upstream opening between the outer housing and the gear casing; a downstream opening; and an egress path extending between the upstream opening and the downstream opening, wherein the egress path includes an upstream portion that extends along the longitudinal axis, a downstream portion that extends in a direction transverse to the longitudinal axis, and the redirecting surface positioned between the upstream portion and the downstream portion, wherein the redirecting surface is configured to redirect fluid flowing along the egress path from the upstream opening toward the downstream opening during the cutting operation. ### Claim 2 (depends on 1) The reciprocating saw of claim 1, wherein the upstream opening is located adjacent the blade end. ### Claim 3 (depends on 1) The reciprocating saw of claim 1, wherein the end plate inhibits fluid flow from the egress path into the motor casing. ### Claim 4 (depends on 3) The reciprocating saw of claim 3, wherein the egress path is defined between the gear casing and the outer housing. ### Claim 5 (depends on 1) The reciprocating saw of claim 1, wherein the downstream opening is partially defined by the motor casing and partially defined by the outer housing. ### Claim 6 (depends on 5) The reciprocating saw of claim 5, wherein the downstream opening is bounded by the redirecting surface. ### Claim 7 A reciprocating saw including a motor and a blade driven by the motor to reciprocate along a longitudinal axis during a cutting operation, the reciprocating saw comprising: a motor casing; a gear casing coupled to the motor casing; an outer housing surrounding the gear casing; an egress path defined between the outer housing and the gear casing; and an end plate disposed between the gear casing and the motor casing such that the end plate inhibits fluid flow between the egress path and the motor casing during the cutting operation, wherein the egress path extends from an upstream opening to a window located adjacent the end plate, and wherein, during the cutting operation, the egress path is configured to direct liquid that enters the upstream opening toward the end plate, where the liquid is then redirected toward the window. ### Claim 8 (depends on 7) The reciprocating saw of claim 7, wherein the blade extends from the outer housing at a blade end of the outer housing, and wherein the upstream opening is located adjacent the blade end of the outer housing. ### Claim 9 (depends on 7) The reciprocating saw of claim 7, wherein the window is partially defined by the motor casing and partially defined by the outer housing. ### Claim 10 (depends on 7) The reciprocating saw of claim 7, further comprising a first plurality of ribs extending outward from the gear casing and a second plurality of ribs extending inward from the outer housing, wherein the first plurality of ribs and the second plurality of ribs are configured to guide fluid along the egress path from the upstream opening toward the end plate during the cutting operation. ### Claim 11 (depends on 10) The reciprocating saw of claim 10, wherein each of the first plurality of ribs and each of the second plurality of ribs is spaced from the end plate. ### Claim 12 (depends on 9) The reciprocating saw of claim 9, wherein the window extends through a bottom side of the outer housing. ### Claim 13 A reciprocating saw including a motor and a blade driven by the motor to reciprocate along a longitudinal axis during a cutting operation, the reciprocating saw comprising: a motor casing; a gear casing coupled to the motor casing; an outer housing surrounding the gear casing; an egress path defined between the outer housing and the gear casing; and a window in a bottom side of the outer housing, wherein the blade extends from a blade end of the outer housing, wherein the egress path extends from an upstream opening adjacent the blade end to the window, and wherein, during the cutting operation, the egress path is configured to direct liquid that enters the upstream opening toward a redirecting surface that redirects the liquid toward the window. ### Claim 14 (depends on 13) The reciprocating saw of claim 13, further comprising a first plurality of ribs extending outward from the gear casing and a second plurality of ribs extending inward from the outer housing, wherein the first plurality of ribs and the second plurality of ribs are configured to guide the liquid along the egress path from the upstream opening toward the end plate during the cutting operation. ### Claim 15 (depends on 14) The reciprocating saw of claim 14, wherein each of the first plurality of ribs and each of the second plurality of ribs is spaced from the redirecting surface. ### Claim 16 (depends on 13) The reciprocating saw of claim 13, wherein the redirecting surface is configured to redirect the liquid in a direction transverse to the longitudinal axis. ### Claim 17 (depends on 13) The reciprocating saw of claim 13, further comprising an end plate disposed between the gear casing and the motor casing, the end plate including the redirecting surface, wherein the end plate is configured to inhibit the liquid from entering the motor casing.