Baths – closets – sinks – and spittoons – Pool type – Accessory
Patent
1983-03-01
1984-08-21
Artis, Henry K.
Baths, closets, sinks, and spittoons
Pool type
Accessory
4498, 4503, 4504, E04H 319
Patent
active
044661436
ABSTRACT:
A wheel assembly for use with extendible and retractable swimming pool covers having a raised leading edge. The apparatus of the present invention preferably comprises two rigid arms which each have a wheel attached to one end thereof. The other end of the arms are rotatably connected to an expandable plug which is adapted to fit into one end of the horizontal leading edge carrier member of the pool cover. A bolt passes through a washer, through an axial bore in the expandable plug, and through holes in the ends of both arms so as to connect all of the component parts together. A wing nut is then tightened onto the end of the bolt, thereby causing the expandable plug to expand within the leading edge carrier member. The wheel assembly is thus secured to the end of the carrier member, with the arms being prevented from further rotation after installation.
REFERENCES:
patent: 3050743 (1962-08-01), Lamb
patent: 3273171 (1966-09-01), Lamb
patent: 3277498 (1966-10-01), Kleinbard et al.
patent: 3747132 (1973-07-01), Foster
patent: 3982286 (1976-09-01), Foster
patent: 4001900 (1977-01-01), Lamb
patent: 4195370 (1980-04-01), Budd
patent: 4407027 (1983-10-01), Colon, Jr.
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