Signal light adapter
阅读：508发布：2022-08-01
专利汇可以提供Signal light adapter专利检索，专利查询，专利分析的服务。并且An adapter for a conventional signal light converts the conventional light into a programmable signal light such as that which appears to be illuminated only from selectively variable limited viewing areas. A housing, attachable to the frame of a conventional signal light, secures a transparent condensing lens and a transparent image plate, the latter having an image surface being located substantially at the focus of the former. A diffusing plate is releasably secured to the housing rearwardly of the image plate. The diffusing plate, which may be a combination color plate and diffusing plate, can be removed to provide easy access to the image surface so that one may view the image projected on the image surface. Selected areas on the image surface may be masked to block selected portions of the image plate. This programs the signal light so that illumination of the light may be seen only from within the area, forward of the light which correspond to the unmasked area seen on the image surface.，下面是Signal light adapter专利的具体信息内容。
1. A signal light comprising; a elongated hollow housing having a longitudinal axis, said housing having open opposite end portions for defining a front opening and a rear opening and having an internal peripheral surface, a condensing lens defining a viewing surface mounted in said front opening, an image plate having an image surface mounted in said rear opening, said image surface of said image plate positioned substantially at the focus of said condensing lens, a diffusing plate removably secured to said housing positioned adjacent to and behind said image surface of said image plate whereby said diffusing plate may be removed from said housing for exposing said image surface of said image plate for observing the image projected on said image surface from said condensing lens and a plurality of spaced-apart baffles projecting toward said longitudinal axis from said internal peripheral surface, each of said baffles being positioned between said image plate and said ondensing lens for providing a plurality of baffle openings.
2. A signal light as defined in claim 1 wherein said baffle openings of said baffles so projecting toward said longitudinal axis from said peripheral surface increases in diameter in a direction from said image plate toward said condensing lens.
3. A signal light as described in claim 2 wherein said internal peripheral surface of said housing and said baffles are light absorbing.
4. A signal light as defined in claim 1 wherein said baffles project toward said longitudinal axis in a plane perpendicular to said axis.
5. A signal light comPrising; an elongated hollow housing having a longitudinal axis and an internal peripheral surface, said housing having open opposite end portions defining a front opening and a rear opening, a transparent condensing lens defining a viewing surface mounted in said front opening, a transparent image plate mounted in said rear opening, said image plate having an image surface located substantially at the focus of said condensing lens, a combination color and diffusing plate removably secured to said housing positioned adjacent to and behind said image plate, said color and diffusing plate being removable from said housing for exposing the image surface of said image plate for viewing the image projected on said transparent image plate from said transparent condensing lens and for according access to said image surface for masking selected areas on said image surface for blocking selected portions of the image appearing thereon for limiting the area within which said condensing lens will appear illuminated from outside said housing and, a plurality of spaced-apart baffles projecting toward said longitudinal axis from said internal peripheral surface, said baffles being positioned between said image plate and said condensing lens to provide a plurality of baffle openings between said image plate and said condensing lens.
6. A signal light as described in claim 5 wherein said baffle openings of said baffles projecting toward said longitudinal axis from said internal peripheral surface increased in diameter from said image plate toward said condensing lens.
7. A signal light as described in claim 5 wherein said internal peripheral surface of said elongated housing and said baffles projecting from said internal peripheral surface are light absorbing.
8. A signal light as defined in claim 5 wherein said elongated hollow housing having a longitudinal axis and an internal peripheral surface has a peripheral wall and a circumferential rear wall projecting toward said longitudinal axis from said peripheral wall and terminating outward from said longitudinal axis in a peripheral edge defining said rear opening, an inner circumferential recess in said rear wall adjacent said peripheral edge, an outer circumferential recess in said rear wall adjacent said peripheral edge, said rear wall having inner and outer surfaces, said combination color and diffusing plate and said image plate each having peripheral edge portions, outer securing means on said outer surface of said rear wall for releasably securing said peripheral edge portion of said combination color and diffusing plate in said outer recess, and inner securing means on said inner peripheral of said rear wall for securing said peripheral edge portion of said image plate in said inner recess.
9. A signal light as defined in claim 8 and further including mounting means on said outer surface of said rear wall for mounting said housing to a support frame.
10. A signal light as defined in claim 9 and further including a plurality of circumferentially spaced ribs extending substantially parallel to said longitudinal axis of said housing and projecting towards said longitudinal axis from said inner peripheral surface, said ribs being at least two rib sets and each rib set having a plurality of ribs, one of said rib sets having terminal rib ends located a first distance from said rear opening said front opening, the other of said rib sets having terminal rib ends located a second distance and greater than said first distance from said rear opening toward said front opening and attaching means on said rib ends for attaching said baffles to said ribs within said housing in spaced-apart relationship.
11. A signal light as defined in claim 10 wherein said rib ends include projections extending substantially parallel to said longitudinal axis and spaced inward from said inner peripheral wall toward said longitudinal axis.
12. A signal light as defined in claim 11 and further inclUding baffles attached to said rib ends, a first said baffles having a plurality of circumferentially spaced holes therein receiving said projections on said rib ends of said one rib set and having outer slots receiving said ribs of said other rib sets, a second of said baffles having a plurality of circumferentially spaced holes therein receiving said projections on said rib ends of said other rib sets.
13. A signal light as described in claim 12 wherein said housing includes a peripheral front recess adjacent said front opening and said condensing lens has a peripheral edge portion receiving in said front recess, and securing means on said housing adjacent said front recess for securing said peripheral edge portion of said condensing lens in said front recess.
14. A signal light as defined in claim 5 wherein said combination color and diffusing plate and said image plate are curved, and further including outer securing means on said housing for releasably securing said combination color and diffusing plate over said rear opening outside of said housing and inner securing means for securing said image plate over said rear opening inside of said housing.
15. A signal light as defined in claim 5 wherein said baffles project toward said longitudinal axis in a plane perpendicular to said axis.
16. An adapter for converting a standard signal light head into a programmable signal light head including; an elongated hollow housing having a longitudinal axis, said housing having open opposite end portions defining a front opening and a rear opening and having an internal peripheral surface means for mounting said housing onto said signal light head so that the light from said signal light head is directed toward said rear opening and passes through said elongated housing and out said front opening, a condensing lens mounted in said front opening and defining a viewing surface, a light diffusing means mounted in said housing adjacent said rear opening for diffusing light directed into said rear opening and passing through said elongated hollow and out said front opening, an image plate having an image surface located substantially at the focus of said condensing lens, said image plate positioned in front of said diffusing means and within the said light having passed through said light diffusing means means for removably mounting said light diffusing means in said housing for providing easy access to said image surface of said image plate and means for masking at least a portion of said image surface of said image plate for programming the diffused light passing through said housing and said condensing lens a plurality of spaced baffles projecting toward said axis from said peripheral surface, said baffles having openings therein and positioned between said condensing lens and said image plate, said openings progressively diminishing in size as each successive spaced baffle position approaches said image plate.
17. An adapter for converting a standard signal light head into a programmable signal light head as in claim 16 and in which the said condensing lens mounting in said front opening is transparent condensing lens, and said adapter further includes a clear cover lens for covering the exterior surface of said condensing lens.
18. An adapter for converting a standard signal light head into a programmable signal light head as in claim 16 and in which said condensing lens mounted in said front opening is a transparent condensing lens, said image plate positioned within the light beam is a transparent plate and said light diffusing means is a combination color and diffusing means.
19. A signal light as defined in claim 16 wherein said baffles project toward said longitudinal axis in a plane perpendicular to said axis.
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