Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Tool-engaging or accommodating means or with tool
Patent
1989-10-13
1992-02-18
Kundrat, Andrew V.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Tool-engaging or accommodating means or with tool
403 90, 403171, 403143, B25G 300
Patent
active
050888528
ABSTRACT:
A pin connector means for removably affixing structural members to central nodes enabling the erection of structural latticeworks is disclosed. The pin connector means includes a ball-ended bolt, a bearing seat, and a means for coupling a spherical ball of the ball-ended bolt to the bearing seat. The surface of the spherical ball and the contact surface of the bearing seat are finished to be of low friction. A threaded rod extending from the spherical ball of the ball-end bolt screwably affixes into an endpiece of a structural member. The bearing seat for receiving the spherical ball of the ball-ended bolt is affixed to a central node. Each of the central nodes can receive a plurality of the pin connector means. The latticework comprises a plurality of central nodes and a plurality of structural members, the structural members being enabled to removably affix to the central nodes using a pin connector means.
REFERENCES:
patent: 1405221 (1922-01-01), Jenkins
patent: 1833649 (1931-11-01), Kartvelichvili et al.
patent: 2861501 (1958-11-01), Strelakos
patent: 4511276 (1985-04-01), Doutt
patent: 4766712 (1988-08-01), Hale
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