Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
287 words
For use in underwater swimming pool illumination, an underwater lighting assembly comprising: a waterproof lamp enclosure having a generally bowl-shaped body portion adapted to receive the rear portion of a conically-shaped lamp unit, an O-ring seat formed around the outer part of said body portion and a compressible O-ring fitted in said O-ring seat, retainer means to fit over the outer part of said lamp unit, a flange formed around the outer part of said bowl-shaped body portion, and fastener means associated with said flange and said retainer means to cause the rear portion of said lamp unit to be forced against said compressible O-ring when said fastener means are tightened; electrical wires attached to said lamp unit and passing rearwardly from said body portion, and means for exteriorally waterproofing the rear of said body portion; and a low-voltage battery connected so as to provide low voltage, ripple-free direct current power to said lamp unit; said low-voltage battery and a battery charging circuit being each remotely situated from said waterproof lamp enclosure, said battery being connected to the first and second switch elements of a double-pole, double-throw switch; said electrical wires from said lamp being connected to first contact elements of the first and second poles of said double-pole, double-throw switch; and the output of said battery charging circuit being connected to second contact elements of the first and second poles of said double-pole, double-throw switch; so that when said switch is in its first pole position, said battery is electrically connected to said lamp and not to said battery charging circuit; and when said switch is in its second pole position, said battery is electrically connected to said battery charging circuit and not to said lamp.
Claim 2
Dependent Claim
287 words
For use in underwater swimming pool illumination, an underwater lighting assembly comprising: a waterproof lamp enclosure having a generally bowl-shaped body portion adapted to receive the rear portion of a conically-shaped lamp unit, an O-ring seat formed around the outer part of said body portion and a compressible O-ring fitted in said O-ring seat, retainer means to fit over the outer part of said lamp unit, a flange formed around the outer part of said bowl-shaped body portion, and fastener means associated with said flange and said retainer means to cause the rear portion of said lamp unit to be forced against said compressible O-ring when said fastener means are tightened; electrical wires attached to said lamp unit and passing rearwardly from said body portion, and means for exteriorally waterproofing the rear of said body portion; and a low-voltage battery connected so as to provide low voltage, ripple-free direct current power to said lamp unit; said low-voltage battery and a battery charging circuit being each remotely situated from said waterproof lamp enclosure, said battery being connected to the first and second switch elements of a double-pole, double-throw switch; said electrical wires from said lamp being connected to first contact elements of the first and second poles of said double-pole, double-throw switch; and the output of said battery charging circuit being connected to second contact elements of the first and second poles of said double-pole, double-throw switch; so that when said switch is in its first pole position, said battery is electrically connected to said lamp and not to said battery charging circuit; and when said switch is in its second pole position, said battery is electrically connected to said battery charging circuit and not to said lamp.
Claim 3
Dependent Claim
16 words
The lighting assembly of claim 1 where said lamp unit is a low-voltage sealed beam lamp.
Claim 4
Dependent Claim
32 words
The lighting assembly of claim 1 where said retainer means is a light diffracting lens ring, of a material having an index of refraction different from that of glass or of water.