Bearings – Rotary bearing – Plain bearing
Patent
1994-10-21
1996-04-09
Hannon, Thomas R.
Bearings
Rotary bearing
Plain bearing
384276, F16C 3502, F16C 3302
Patent
active
055055460
ABSTRACT:
A bearing and a bushing each made of engineering plastics which are materials particularly excellent in chemical durability (e.g., chemical resistance) and each having split structure to remarkably facilitate the attachment or exchange of them. The split bearing is composed of two bearing halves which are joined together to face each other, each bearing half having a substantially box-shaped half bearing main portion with a recess of a half bearing hole on the upper surface thereof and forming thereon a space which is symmetrical to the half bearing main portion with regard to the center of the half bearing hole, the each bearing half also having half mounting plate portions which are half of the half bearing main portion in thickness and extend to the left and right thereof, and which have half mounting holes arranged at left and right positions bisymmetrical to each other relative to the center set forth above, each half mounting hole being a half of each mounting hole in length, and each half mounting plate portion has an engaging projection on the upper internal side thereof and an engaging recess on the lower internal side thereof, the projection and recess being in shape anti-symmetrical to each other. The split bushing is composed of a pair of bushing halves of semicylindrical body, each provided with a ridge and a groove on contact surfaces thereof thereby to be joined together. Therefore, the engineering plastics effect excellent durability and the split structure effects very easy attachment or exchange of them.
REFERENCES:
patent: 610130 (1898-08-01), Farmer
patent: 2354996 (1944-08-01), Jadach
patent: 3770109 (1973-11-01), Kraft
patent: 3820860 (1974-06-01), Stone
patent: 4640631 (1987-02-01), Belanger
Hannon Thomas R.
Kabushiki Kaisha Sansho
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