# US 2017/0284646 A1 · Portable light having a forward facing light and a rearward facing light > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0284646 A1 - Document ID: US20170284646A1 - Status: Published application - Kind: A1 - Application number: 15/460,707 - Filed: 2017-03-16 - Published: 2017-10-05 - Earliest claimed: 2016-04-05 - Assignees: Streamlight, Inc. - Applicants: Streamlight, Inc. - Inventors: Francis D. ARENA; Thomas J. KELLEY; William D. WORMAN - Web page: https://patentgrep.com/patent/US20170284646A1 ## CPC - F21V 23/0414: {specially adapted to be used with portable lighting devices} - F21L 4/02: characterised by the provision of two or more light sources - F21L 4/027: {the light sources being a LED} - F21L 4/045: {Pocket lamps} - F21V 23/0442: {activated by means of a sensor, e.g. motion or photodetectors} - F21V 23/06: the elements being coupling devices {, e.g. connectors} - F21V 5/045: {the lens having discontinuous faces, e.g. Fresnel lenses} - F21V 7/0075: {for portable lighting devices} - F21V 7/06: with parabolic curvature - F21V 13/045: {for portable lighting devices} - F21V 17/02: with provision for adjustment (F21V17/04 - F21V17/08 take precedence) - F21V 21/0885: {for portable lighting devices} - F21Y 2113/13: comprising an assembly of point-like light sources - F21Y 2115/10: Light-emitting diodes [LED] - G02B 6/0096: {the lights guides being of the hollow type} - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21L: LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A portable light may comprise: a light housing including a first housing and a light head that is pivotable relative to the first housing; one or more light sources including an illumination light source in the light head; an electrical switch for selectively energizing the one or more light sources; and a detector of the pivoted position of the light head relative to the first housing for energizing and/or de-energizing one or more of the light sources. Other features of the light may include: a rear facing light source that may have one or more light sources, or an elongated clip, or a pivotable elongated clip, or one or more accessories mountable to a clip, or a combination thereof. ## Claims ### Claim 1 A portable light comprising: a light housing defining a forward end and a rearward end and a longitudinal axis therebetween, said light housing including a first housing and a light head that is pivotable relative to the longitudinal axis and said first housing; one or more light sources including an illumination light source in said light head and selectively energizable for directing light outwardly from said light head; an electrical switch for selectively energizing said one or more light sources to produce light; and a detector of the pivoted position of said light head relative to said first housing configured for energizing and/or de-energizing one or more of said one or more light sources. ### Claim 2 (depends on 1) The portable light of claim 1 wherein said one or more light sources includes a second light source in said light housing, wherein said electrical switch selectively energizes said second light source, and wherein said detector energizes and/or de-energizes said second light source. ### Claim 3 (depends on 2) The portable light of claim 2 wherein said second light source further comprises: an optical element configured for receiving first light produced by a first light producing element and second light produced by a second light producing element, wherein said optical element is configured for directing the first light and the second light in a direction substantially parallel to the longitudinal axis defined by said light housing. ### Claim 4 (depends on 1) The portable light of claim 1 wherein said detector detects said light head being pivoted relative to said first housing by more than a predetermined angle for selectively energizing said one or more light sources. ### Claim 5 (depends on 4) The portable light of claim 4 wherein the predetermined angle: is in the range of about 60° to about 90°; or is in the range of about 85° to about 90°. ### Claim 6 (depends on 1) The portable light of claim 1 wherein said detector comprises: a magnet supported by one of said light head and said first housing and a detector of a magnetic field supported by the other of said light head and said first housing, wherein said detector detects the magnetic field of said magnet when said light head is pivoted relative to said first housing by a predetermined angle. ### Claim 7 (depends on 6) The portable light of claim 6 wherein the predetermined angle: is in the range of about 60° to about 90°; or is in the range of about 85° to about 90°. ### Claim 8 (depends on 6) The portable light of claim 6 wherein said detector of a magnetic field includes a Hall-effect sensor or a reed switch. ### Claim 9 (depends on 1) The portable light of claim 1 further comprising: an elongated clip attached to said light housing and extending along said light housing substantially in the longitudinal direction; or a hanger ring attached to said light housing proximate said illumination light source; or an elongated clip attached to said light housing and extending along said light housing substantially in the longitudinal direction and a hanger ring attached to said light housing proximate said illumination light source. ### Claim 10 (depends on 9) The portable light of claim 9 wherein: when said portable light includes said elongated clip, said elongated clip is configured to be rotatable about said light housing; and when said portable light includes said hanger ring, said hanger ring is attached to said light housing proximate said illumination light source and is configured to be stowed adjacent said light housing and deployed away from said light housing. ### Claim 11 A portable light comprising: a light housing defining a forward and a rearward end and a longitudinal axis therebetween, said light housing including a first housing and a light head that is pivotable relative to the longitudinal axis and said first housing; an illumination light source in said light head and selectively energizable for directing light outwardly from the forward end of said light housing; a second light source selectively energizable for directing light outwardly from the rearward end of said light housing, wherein said second light source includes at least a first light producing element configured for producing a first light; an electrical switch for selectively energizing said illumination light source, or said first light producing element, or said illumination light source and said first light producing element, to produce light; and a detector of the pivoted position of said light head relative to said first housing for energizing and/or de-energizing one or more of said first light producing element. ### Claim 12 (depends on 11) The portable light of claim 11 wherein said detector detects said light head being pivoted relative to said first housing by more than a predetermined angle for selectively energizing and/or de-energizing the one or more of said first light producing element. ### Claim 13 (depends on 12) The portable light of claim 12 wherein the predetermined angle: is in the range of about 60° to about 90°; or is in the range of about 85° to about 90°. ### Claim 14 (depends on 11) The portable light of claim 11 wherein said detector comprises: a magnet supported by one of said light head and said first housing and a detector of a magnetic field supported by the other of said light head and said first housing, wherein said detector detects the magnetic field of said magnet when said light head is pivoted relative to said first housing by a predetermined angle. ### Claim 15 (depends on 14) The portable light of claim 14 wherein the predetermined angle: is in the range of about 60° to about 90°; or is in the range of about 85° to about 90°. ### Claim 16 (depends on 13) The portable light of claim 13 wherein said detector of a magnetic field includes a Hall-effect sensor or a reed switch. ### Claim 17 (depends on 11) The portable light of claim 11 wherein said second light source further includes: a second light producing element configured for producing a second light; wherein said electrical switch is for selectively energizing said illumination light source, or said first light producing element, or said second light producing element, or any combination of said illumination light source, said first light producing element, and said second light producing element to produce light; and wherein said detector of the pivoted position of said light head relative to said first housing is for energizing and/or de-energizing said first light producing element, or said second light producing element, or both of said first and second light producing elements. ### Claim 18 (depends on 17) The portable light of claim 17 wherein said second light source further comprises: an optical element configured for receiving the first light produced by said first light producing element and the second light produced by said second light producing element and for directing the first light and the second light rearwardly in a direction substantially parallel to the axis defined by said light housing. ### Claim 19 (depends on 18) The portable light of claim 18: wherein said optical element comprises a reflector configured for directing light outwardly from the rearward end of said light housing and along an axis substantially parallel to the longitudinal axis direction; wherein said first light producing element is configured for directing the first light substantially parallel to the axis defined by said reflector; and wherein said second light producing element is configured for directing the second light substantially transversely to the axis defined by said reflector, wherein said reflector directs the light from said second light element substantially parallel to the axis defined by said reflector. ### Claim 20 (depends on 19) The portable light of claim 19 further comprising an electronic circuit board: wherein said first light producing element is mounted to a surface of said electronic circuit board for directing light substantially parallel to the surface of said electronic circuit board and substantially parallel to the axis defined by said reflector; wherein said second light producing element is mounted to the surface of said electronic circuit board for directing light substantially transversely to the surface of said electronic circuit board; wherein said reflector has a reflective surface that defines a part of a parabolic surface, the parabolic surface defining an axis of a parabola and a focal point on the axis of the parabola, said reflector being open at a base end thereof; and wherein said reflector is disposed adjacent to said electronic circuit board such that the axis of the parabola is substantially parallel to the surface of said electronic circuit board, said first light producing element directs light through the opening in the base of said reflector, and said second light producing element is substantially at the focal point of the parabolic surface of said reflector. ### Claim 21 (depends on 19) The portable light of claim 19 further comprising: a lens adjacent said reflector such that the first light produced by said first light producing element and the second light produced by said second light producing element passes through said lens; or a Fresnel lens adjacent said reflector such that the first light produced by said first light producing element and the second light produced by said second light producing element passes through said Fresnel lens. ### Claim 22 (depends on 18) The portable light of claim 18: wherein said optical element comprises: a reflector configured for directing light outwardly from the rearward end of said light housing and along an axis substantially parallel to the longitudinal axis direction and a light pipe configured for directing light outwardly from the rearward end of said light housing and having an axis substantially parallel to the longitudinal axis; wherein said first light producing element is configured for directing light into said light pipe; and wherein said second light producing element is configured for directing light substantially transversely to the axis defined by said reflector, wherein said reflector directs the light from said second light element substantially parallel to the axis defined by said reflector. ### Claim 23 (depends on 22) The portable light of claim 22 further comprising an electronic circuit board: wherein said first light producing element is mounted to a surface of said electronic circuit board for directing light into said light pipe; wherein said second light producing element is mounted to the surface of said electronic circuit board for directing light substantially transversely to the surface of said electronic circuit board; wherein said reflector has a reflective surface that defines a part of a parabolic surface, the parabolic surface defining an axis of a parabola and a focal point on the axis of the parabola; and wherein said reflector is disposed adjacent to said electronic circuit board such that the axis of the parabola is substantially parallel to the surface of said electronic circuit board, and said second light producing element is substantially at the focal point of the parabolic surface of said reflector. ### Claim 24 (depends on 22) The portable light of claim 22 further comprising: a lens adjacent said reflector such that the first light produced by said first light producing element and the second light produced by said second light producing element passes through said lens; or a Fresnel lens adjacent said reflector such that the first light produced by said first light producing element and the second light produced by said second light producing element passes through said Fresnel lens. ### Claim 25 (depends on 18) The portable light of claim 18: wherein said optical element comprises an internally reflective solid optic configured for directing light received at respective first and second input surfaces thereof outwardly from an exit surface thereof near the rearward end of said light housing and along an axis substantially parallel to the longitudinal axis direction; wherein said first light producing element is configured for directing the first light into the first input surface of said internally reflective solid optic; and wherein said second light producing element is configured for directing the second light into the second input surface of said internally reflective solid optic. ### Claim 26 (depends on 25) The portable light of claim 25 further comprising an electronic circuit board: wherein said first light producing element is mounted to a surface of said electronic circuit board for directing the first light into the first input surface of said internally reflective solid optic; and wherein said second light producing element is mounted to the surface of said electronic circuit board for directing the second light into the second input surface of said internally reflective solid optic. ### Claim 27 (depends on 25) The portable light of claim 25 wherein the exit surface of said internally reflective solid optic defines a substantially flat surface or defines a curved surface or defines a Fresnel lens. ### Claim 28 (depends on 11) The portable light of claim 11 further comprising an elongated clip extending adjacent to and along said first housing and substantially parallel to the longitudinal axis, and a pushbutton actuator for actuating said electrical switch when pressed in a radial direction, said pushbutton actuator being located on an exterior surface of said first housing substantially diametrically opposite to said elongated clip. ### Claim 29 (depends on 11) The portable light of claim 11 further comprising: an elongated clip attached to said light housing and extending along said light housing substantially in the longitudinal direction; or a hanger ring attached to said light housing; or an elongated clip attached to said light housing and extending along said light housing substantially in the longitudinal direction and a hanger ring attached to said light housing. ### Claim 30 (depends on 29) The portable light of claim 29 wherein: when said portable light includes said elongated clip, said elongated clip is configured to be rotatable about said light housing; and when said portable light includes said hanger ring, said hanger ring is configured to be stowed adjacent said light housing and deployed away from said light housing.