Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
174 words
An overhead light fixture for a transit vehicle comprising: a housing having an open top and bottom, the ceiling of said transit vehicle forming the closure for said open top, means hinging a first side of said light transmitting panel to a first side of said housing adjacent the open bottom of said housing, latch means for detachably securing a second side of said light transmitting panel to a second side of said housing adjacent its open bottom, said second side of said housing comprising a panel member having a light housing web portion and a latch web portion, said latch web portion having a groove formed therein, said latch means also comprising a latch member having a head, a body, and a foot, said groove in said latch web portion having a configuration to matingly receive the head of said latch and first and second biasing means for urging continuing engagement of said latch member with the edge of said light transmitting panel when said second side is secured by said latch member.
Claim 2
Dependent Claim
174 words
An overhead light fixture for a transit vehicle comprising: a housing having an open top and bottom, the ceiling of said transit vehicle forming the closure for said open top, means hinging a first side of said light transmitting panel to a first side of said housing adjacent the open bottom of said housing, latch means for detachably securing a second side of said light transmitting panel to a second side of said housing adjacent its open bottom, said second side of said housing comprising a panel member having a light housing web portion and a latch web portion, said latch web portion having a groove formed therein, said latch means also comprising a latch member having a head, a body, and a foot, said groove in said latch web portion having a configuration to matingly receive the head of said latch and first and second biasing means for urging continuing engagement of said latch member with the edge of said light transmitting panel when said second side is secured by said latch member.
Claim 3
Dependent Claim
42 words
An overhead lighting fixture as recited in claim 1 wherein the head of said latch member has a circular lateral cross section to permit it to be pivoted laterally into and out of engagement with the edge of said light transmitting panel.
Claim 4
Dependent Claim
32 words
An overhead lighting fixture as recited in claim 1 wherein said latch web portion lies in a plane formed approximately at a 90° angle to the plane of said light housing web.
Claim 5
Dependent Claim
28 words
An overhead lighting fixture as recited in claim 1 wherein said light housing web portion and said latch web portion are integrally formed as an extruded side panel.
Claim 6
Dependent Claim
18 words
An overhead lighting fixture as recited in claim 1 wherein said first biasing means is compressible foam tape.
Claim 7
Dependent Claim
19 words
An overhead lighting fixture as recited in claim 1 wherein said latch member has a J-shaped cross sectional configuration.
Claim 8
Dependent Claim
63 words
An overhead lighting fixture as recited in claim 1 wherein said second biasing means comprises a hollow rubber extrusion member with a T-shaped head, said latch web portion having a C-shaped channel formed with locking lips that receive said T-shaped head to hold said hollow rubber extrusion member with its bottom in compressed engagement against the top edge of said light transmitting panel.
Claim 9
Dependent Claim
36 words
An overhead lighting fixture as recited in claim 6 wherein the edge of said light transmitting panel has a lip extending along its length that rests in the curved hook surface of said J-shaped latch member.
Claim 10
Dependent Claim
45 words
An overhead lighting fixture as recited in claim 1 further comprising an intermediate web portion integrally formed at approximately a 90° angle to said latch web portion, said intermediate web portion forming a part of the support structure for a passenger hand assist rail assembly.
Claim 11
Dependent Claim
33 words
An overhead lighting fixture as recited in claim 1, wherein said first and second biasing means bias said latch member along first and second planes, said planes forming an angle of approximately 90°.
Claim 12
Dependent Claim
48 words
An overhead lighting fixture as recited in claim 1, wherein said means hinging said light transmitting panel comprising a resilient hinge member having a substantially "I" configured cross-section that is fixedly attached at the flat end portions and bends intermediate those end sections to provide the hinging action.