# US 10,766,514 B2 · Audible alert systems for locomotives > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,766,514 B2 - Document ID: US10766514B2 - Status: Granted - Kind: B2 - Application number: 16/525,081 - Filed: 2019-07-29 - Published: 2020-02-20 - Granted: 2020-09-08 - Earliest claimed: 2018-08-14 - Assignees: Cattron North America, Inc. - Applicants: Cattron North America, Inc. - Inventors: Richard Allen Evans; Mark Anthony Balent; Matthew Adkins - Web page: https://patentgrep.com/patent/US10766514B2 ## CPC - B61L 23/00: Control, warning or like safety means along the route or between vehicles or trains - B61L 29/28: electrically operated - G08B 3/10: using electric transmission; using electromagnetic transmission - H04R 1/026: {Supports for loudspeaker casings} - B61L: GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC (brakes or auxiliary equipment B61H, B61K; point or crossing construction E01B) - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) ## Abstract According to various aspects, exemplary embodiments are disclosed herein of audible alert systems. In exemplary embodiments, an audible alert system includes a speaker, an audio amplifier, and an audio file player. The audio amplifier and audio file player may be housed within an environmentally sealed enclosure, which provides protection from the environment. The audible alert system may be located on the front or back of a locomotive. For example, the speaker may be mounted to handrailing of the locomotive. ## Claims ### Claim 1 A system comprising: an audible alert system for a locomotive including a speaker, an audio amplifier, an audio file player, and an enclosure, wherein the audio amplifier and the audio file player are within the enclosure; an assembly mountable to handrailing of the locomotive and the audible alert system, wherein the speaker of the audible alert system is mountable to the assembly, such that the speaker of the audible alert system is mountable via the assembly to the handrailing of the locomotive; and a speaker bracket positionable generally between the speaker and a portion of the assembly, and wherein: the speaker bracket includes fastener holes alignable with corresponding fastener holes of the portion of the assembly, whereby one or more mechanical fasteners are insertable through the aligned fastener holes of the speaker bracket and the portion of the assembly to thereby couple the speaker bracket to the portion of the assembly; and/or the speaker bracket includes fastener holes alignable with corresponding fastener holes of the speaker, whereby one or more mechanical fasteners are insertable through the aligned fastener holes of the speaker bracket and the speaker to thereby couple the speaker bracket to the speaker. ### Claim 2 (depends on 1) The system of claim 1, wherein the enclosure comprises an environmentally sealed enclosure configured to provide protection for the audio amplifier and the audio file player from the environment. ### Claim 3 (depends on 1) The system of claim 1, wherein: the audible alert system is configured to be direct current (DC) powered; and/or the speaker comprises a 100 Watts, 12 volts direct current (VDC) speaker. ### Claim 4 (depends on 1) The system of claim 1, wherein: the audible alert system is configured to provide integrated audio including voices and tones; and/or the audible alert system is configured to broadcast voice messages. ### Claim 5 (depends on 1) The system of claim 1, further comprising a portable remote control locomotive system mountable to the assembly, such that the portable remote control system and the speaker of the audible alert system are mountable via the assembly to the handrailing of the locomotive. ### Claim 6 (depends on 1) The system of claim 1, wherein the assembly comprises a quick connect mounting assembly that is mountable to the handrailing of the locomotive without requiring use of tools. ### Claim 7 (depends on 1) The system of claim 1, wherein: the speaker bracket includes three vertically aligned fastener holes along a centerline of the speaker bracket; the portion of the assembly includes three vertically aligned fastener holes alignable with the three vertically aligned fastener holes of the speaker bracket; and the speaker bracket is generally rectangular having four corners and at least four fastener holes each adjacent a corresponding one of the four corners of the speaker bracket. ### Claim 8 A system comprising: an audible alert system for a locomotive including a speaker, an audio amplifier, an audio file player, and an enclosure, wherein the audio amplifier and the audio file player are within the enclosure; and an assembly mountable to handrailing of the locomotive and the audible alert system, wherein the speaker of the audible alert system is mountable to the assembly, such that the speaker of the audible alert system is mountable via the assembly to the handrailing of the locomotive; wherein the assembly comprises an upper horizontal arm and first and second hooks configured to be hooked over and onto the locomotive handrailing, the first and second hooks slidably coupled to the upper horizontal arm, whereby the first and second hooks are horizontally slidable relative to each other along an upper surface of the upper horizontal arm to thereby allow adjustment to a distance separating the first and second hooks. ### Claim 9 (depends on 8) The system of claim 8, wherein the assembly further comprises: an upper vertical arm slidably coupled to the upper horizontal arm, whereby the upper vertical arm is horizontally slidable along a lower surface of the upper horizontal arm to thereby allow the upper vertical arm to be slidably positionable at a center location or off-center location along the upper horizontal arm; a lower horizontal arm, wherein the upper vertical arm is slidably coupled to the lower horizontal arm, whereby the upper vertical arm is horizontally slidable along an upper surface of the lower horizontal arm to thereby allow the upper vertical arm to be slidably positionable at a center location or off-center location along the lower horizontal arm; and a lower vertical arm slidably coupled to the lower horizontal arm, whereby the lower vertical arm is horizontally slidable along a lower surface of the lower horizontal arm to thereby allow the lower vertical arm to be slidably positionable at a center location or off-center location along the lower horizontal arm. ### Claim 10 (depends on 9) The system of claim 9, further comprising a speaker bracket positionable generally between the speaker and the lower vertical arm, and wherein: the speaker bracket includes fastener holes alignable with corresponding fastener holes of the lower vertical arm, whereby one or more mechanical fasteners are insertable through the aligned fastener holes of the speaker bracket and the lower vertical arm to thereby couple the speaker bracket to the lower vertical arm; and/or the speaker bracket includes fastener holes alignable with corresponding fastener holes of the speaker, whereby one or more mechanical fasteners are insertable through the aligned fastener holes of the speaker bracket and the speaker to thereby couple the speaker bracket to the speaker. ### Claim 11 (depends on 8) The system of claim 8, wherein the speaker is configured to be fixedly mounted and/or mechanically fastened to handrailing of the locomotive. ### Claim 12 (depends on 8) The system of claim 8, wherein: the system further comprises a portable remote control locomotive system mountable to the assembly, such that the portable remote control system and the speaker of the audible alert system are mountable via the assembly to the handrailing of the locomotive; and/or the assembly comprises a quick connect mounting assembly that is mountable to the handrailing of the locomotive without requiring use of tools; and/or the enclosure comprises an environmentally sealed enclosure configured to provide protection for the audio amplifier and the audio file player from the environment; and/or the audible alert system is configured to provide integrated audio including voices and tones; and/or the audible alert system is configured to broadcast voice messages. ### Claim 13 A system comprising: an audible alert system for a locomotive including a speaker, an audio amplifier, an audio file player, and an enclosure, wherein the audio amplifier and the audio file player are within the enclosure; and an assembly mountable to handrailing of the locomotive and the audible alert system, wherein the speaker of the audible alert system is mountable to the assembly, such that the speaker of the audible alert system is mountable via the assembly to the handrailing of the locomotive; wherein the assembly comprises: an upper horizontal arm including opposing upper and lower surfaces; a lower horizontal arm including opposing upper and lower surfaces; an upper vertical arm slidably coupled to the upper and lower horizontal arms, whereby the upper vertical arm is horizontally slidable along the lower surface of the upper horizontal arm and the upper surface of the lower horizontal arm; and a lower vertical arm slidably coupled to the lower horizontal arm, whereby the lower vertical arm is horizontally slidable along the lower surface of the lower horizontal arm. ### Claim 14 (depends on 13) The assembly of claim 13, further comprising first and second hooks configured to be hooked over and onto the locomotive handrailing; the first and second hooks slidably coupled to the upper horizontal arm, whereby the first and second hooks are horizontally slidable relative to each other along the upper surface of the upper horizontal arm. ### Claim 15 (depends on 13) The system of claim 13, further comprising a speaker bracket positionable generally between the speaker and the lower vertical arm, and wherein: the speaker bracket includes fastener holes alignable with corresponding fastener holes of the lower vertical arm, whereby one or more mechanical fasteners are insertable through the aligned fastener holes of the speaker bracket and the lower vertical arm to thereby couple the speaker bracket to the lower vertical arm; and/or the speaker bracket includes fastener holes alignable with corresponding fastener holes of the speaker, whereby one or more mechanical fasteners are insertable through the aligned fastener holes of the speaker bracket and the speaker to thereby couple the speaker bracket to the speaker. ### Claim 16 (depends on 13) The system of claim 13, wherein: the system further comprises a portable remote control locomotive system mountable to the assembly, such that the portable remote control system and the speaker of the audible alert system are mountable via the assembly to the handrailing of the locomotive; and/or the assembly comprises a quick connect mounting assembly that is mountable to the handrailing of the locomotive without requiring use of tools; and/or the enclosure comprises an environmentally sealed enclosure configured to provide protection for the audio amplifier and the audio file player from the environment; and/or the audible alert system is configured to provide integrated audio including voices and tones; and/or the audible alert system is configured to broadcast voice messages. ### Claim 17 A method comprising: providing an audible alert system onboard a locomotive, the audible alert system comprising a speaker, an audio amplifier, an audio file player, and an enclosure, wherein the audio amplifier and the audio file player are within the enclosure; and mounting the speaker of the audible alert system to handrailing of the locomotive via an assembly and a speaker bracket positioned generally between the speaker and a portion of the assembly; wherein: the speaker bracket includes fastener holes alignable with corresponding fastener holes of the portion of the assembly, whereby one or more mechanical fasteners are inserted through the aligned fastener holes of the speaker bracket and the portion of the assembly to thereby couple the speaker bracket to the portion of the assembly; and/or the speaker bracket includes fastener holes alignable with corresponding fastener holes of the speaker, whereby one or more mechanical fasteners are inserted through the aligned fastener holes of the speaker bracket and the speaker to thereby couple the speaker bracket to the speaker. ### Claim 18 (depends on 17) The method claim 17, wherein: the enclosure comprises an environmentally sealed enclosure configured to provide protection for the audio amplifier and the audio file player from the environment; and/or the audible alert system is configured to be direct current (DC) powered; and/or the speaker comprises a 100 Watts, 12 volts direct current (VDC) speaker; and/or the audible alert system is configured to provide integrated audio including voices and tones; and/or the audible alert system is configured to broadcast voice messages. ### Claim 19 (depends on 18) The method of claim 18, wherein the method includes using the audible alert system onboard the locomotive instead of and/or as a replacement for a pneumatic air horn and a pneumatic bell. ### Claim 20 (depends on 17) The method of claim 17, wherein mounting the speaker of the audible alert system to handrailing of the locomotive comprises: mounting a quick connect mounting assembly to handrailing of the locomotive without using any tools; and mounting the speaker of the audible alert system to the quick connect mounting assembly before or after mounting the quick connect mounting assembly to the handrailing of the locomotive.