Joints and connections – Structurally installed in diverse art device
Patent
1991-10-24
1992-11-03
Kundrat, Andrew V.
Joints and connections
Structurally installed in diverse art device
403 51, 280279, F16B 100
Patent
active
051602105
ABSTRACT:
A coupling including a sleeve having an annular rib formed on a lower peripheral portion, a bowl having an annular groove formed in an outer peripheral portion, a ball bearing disposed between the sleeve and the bowl, a gap formed between the bowl and the sleeve, and a gasket including an annular flange formed in an upper portion for engagement with the annular groove of the bowl and a member formed in a lower portion for engagement with the annular rib of the sleeve so as to cover and seal the annular gap formed between the sleeve and the bowl.
REFERENCES:
patent: 3490343 (1970-01-01), Afanador et al.
patent: 4573698 (1986-03-01), Takahashi
patent: 4960342 (1990-10-01), Chi
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