Joints and connections – Closure or plug spaced from joint
Patent
1976-04-05
1976-12-14
Shedd, Wayne L.
Joints and connections
Closure or plug spaced from joint
403 38, 308109, 403 14, B25G 300, F16D 100, F16G 1100
Patent
active
039972747
ABSTRACT:
A hinge pin construction including a pin adapted to journal an arm or the like, an annular wedge member associated with one end of the pin, an axially extending lubricant passage in at least one of the wedge member and the pin for directing lubricant to the interface of the pin and an arm journalled thereon, a plug removably closing the axially outer end of the passage and a collet received on the wedge member and including a bolt securing the collet to the pin. An axially extending passage is located in the collet and is of a size greater than that of the plug whereby the plug may be removed from the lubricant passage. An additional plug is employed for selectively closing the collet passage and a keying device is employed for precluding assembly of the collet to the wedge member except with the collet and lubricating passages aligned to allow the introduction of lubricant into the lubricant passage without removing the collet.
REFERENCES:
patent: 905019 (1908-11-01), Swanson
patent: 1176215 (1916-03-01), Griffin
patent: 2283871 (1942-05-01), Norelius
patent: 2574773 (1951-11-01), Bannister
patent: 2614006 (1952-10-01), Bechman
patent: 2690933 (1954-10-01), Bechman
patent: 3554588 (1971-01-01), Reinsma et al.
patent: 3841711 (1974-10-01), Shankwitz et al.
Caterpillar Tractor Co.
Shedd Wayne L.
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