A recessed lighting fixture includes a housing having one or more side walls, one or more of which including at least one elongate slot formation, the slot formation including a pair of oppositely extending lateral edge formations, each lateral edge formation having a first dimension, a retaining cl
A recessed lighting fixture includes a housing having one or more side walls, one or more of which including at least one elongate slot formation, the slot formation including a pair of oppositely extending lateral edge formations, each lateral edge formation having a first dimension, a retaining clip to be located in the slot formation for movement therealong. The retaining clip has a first portion to extend through the slot formation and to travel along an inner surface of the corresponding side wall on opposite sides of the slot formation, a second portion having a second dimension exceeding the first dimension and to travel along an outer surface of a corresponding side wall on opposite sides of the slot formation. The second portion is arranged to be biased outwardly from the housing relative to the first portion, the second portion joined to a third portion, the third portion being arranged to extend through the slot formation in a retained position, in which the third portion is retained against an inner surface of the corresponding lateral edge formation with the second portion in a spring-loaded orientation. The third portion is movable from the retained position to a released position when separated from the lateral edge formation, thereby causing the second portion to be transferred from its spring-loaded orientation to an outwardly extended orientation relative to the housing.
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The invention claimed is: 1. A recessed lighting fixture, comprising a housing having one or more side walls, one or more of which including at least one elongate slot formation, the slot formation including a pair of oppositely extending lateral edge formations, each lateral edge formation having
The invention claimed is: 1. A recessed lighting fixture, comprising a housing having one or more side walls, one or more of which including at least one elongate slot formation, the slot formation including a pair of oppositely extending lateral edge formations, each lateral edge formation having a first dimension, a retaining clip to be located in the slot formation for movement therealong, the retaining clip having a first portion to extend through the slot formation and to travel along an inner surface of the corresponding side wall on opposite sides of the slot formation, a second portion having a second dimension exceeding the first dimension and to travel along an outer surface of a corresponding side wall on opposite sides of the slot formation, the second portion being arranged to be biased outwardly from the housing relative to the first portion, the second portion joined to a third portion, the third portion being arranged to extend through the slot formation in a retained position, in which the third portion is retained against an inner surface of the corresponding lateral edge formation with the second portion in a spring-loaded orientation, the third portion being movable from the retained position to a released position when separated from the lateral edge formation, thereby causing the second portion to be transferred from its spring-loaded orientation to an outwardly extended orientation relative to the housing; each of the lateral edge formations being provided by a pair of opposed lateral slot extensions; the first portion including a head portion and a neck portion, the neck portion being dimensioned to extend through the slot formation, the head portion arranged to travel along an inner surface of the corresponding side wall on opposite sides of the slot formation; said clip further including a body portion including a pair of arm portions adjacent the neck portion and extending outwardly therefrom, each arm portion having the second dimension. 2. A fixture as defined in claim 1, wherein the body portion includes a region with a bend, the arm portions being located on either side of the bend or included therein. 3. A fixture as defined in claim 2, the third portion having an anchor portion with a retaining section providing a pair of opposed retaining regions, each to engage a corresponding lateral edge formation. 4. A fixture as defined in claim 2, wherein the third portion includes an anchor portion with a pair of opposed locking flanges, each locking flange being arranged to travel along an inner surface of the corresponding side wall on opposite sides of the slot formation. 5. A fixture as defined in claim 3, further comprising a displacement portion for displacing the retaining clip along the slot formation. 6. A fixture as defined in claim 5, the head portion including a first passage, the fixture further comprising a mounting flange extending inwardly from a side wall adjacent a corresponding slot formation, the mounting flange including a second passage, the displacement portion including a drive member extending through the first and second passages. 7. A fixture as defined in claim 3, the anchor portion including a passage to receive the drive member, the passage being of sufficient dimension to enable the retaining clip to move between the locked and unlocked orientations. 8. A fixture as defined in claim 7, wherein the drive member is threaded. 9. A fixture as defined in claim 8, the slot extensions being centrally located along the slot formation. 10. A fixture as defined in claim 9, the body including a central elongate passage extending between the arm portions and the anchor portion. 11. A fixture as defined in claim 9 the head portion including a pair of contact regions for contacting the inner surface of the corresponding side wall portion, each contact region including a tab. 12. A fixture as defined in claim 9, wherein the slot extensions include a pair of first boundary edge regions oriented at an angle to one another of less than 180 degrees. 13. A fixture as defined in claim 12 further comprising a second boundary region between the first boundary regions, the second boundary region being substantially parallel with a neighbouring boundary edge region of the slot formation. 14. A fixture as defined in claim 3, wherein the body and anchor portions are joined at an offset connecting portion. 15. A fixture as defined in claim 1, the housing having a back wall, the one or more side walls extending from the back wall, and at least one lower lip extending outwardly from one of said side walls. 16. A fixture as defined in claim 15, wherein the lip is integrally formed with the corresponding side wall. 17. A recessed lighting fixture, comprising housing means providing at least one side wall including at least one elongate slot formation extending therealong, the slot formation including a pair of oppositely extending lateral edge formations, each lateral edge formation having a first dimension, retaining means to be located in the slot formation for movement therealong, the retaining means having a first portion to extend through the slot formation and to travel along an inner surface of the corresponding side wall on opposite sides of the slot formation, a second portion having a second dimension exceeding the first dimension and to travel along an outer surface of a corresponding side wall on opposite sides of the slot formation, the second portion being arranged to be biased outwardly from the housing means relative to the first portion, the second portion joined to a third portion, the third portion being arranged to extend through the slot formation in a retained position, in which the third portion is retained against an inner surface of the corresponding lateral edge formation with the second portion in a spring-loaded orientation, the third portion being movable from the retained position to a released position when separated from the lateral edge formation, thereby causing the second portion to be transferred from its spring-loaded orientation to an outwardly extended orientation relative to the housing; each of the lateral edge formations being provided by a pair of opposed lateral slot extensions; the first portion including a head portion and a neck portion, the neck portion being dimensioned to extend through the slot formation, the head portion arranged to travel along an inner surface of the corresponding side wall on opposite sides of the slot formation; said clip further including a body portion with arm portions extending outwardly therefrom, each arm portion having the second dimension.
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