.~ With end seal between bushing and track link {1}
104
.~.~ And at connector pin
DEFINITION
Classification: 305/104
And at connector pin:
(under subclass 103) Apparatus wherein the seal is located about a pivot pin which interconnects the overlapped ends of a pair of inflexible belt components.
(1) Note. The pin connecting each pair of inflexible belt components allows flexing to enable the track to pass around the driver and idler sprockets and to accommodate unevenness of terrain.
(2) Note. The end seal is between bushing, track, and the connector pin.
SEE OR SEARCH THIS CLASS, SUBCLASS:
42, for a torsion bushing between the pin and the track link.
47+, for a track or tread having a sag prevention means.
59, for a noncylindrical or hollow connector pin. SEE OR SEARCH CLASS
16, Miscellaneous Hardware,
380+, for means to retain a pintle in a hinge.
267, Spring Devices,
161+, for a ring or annular spider [figure] [caption]A, B, C - Upper, middle and lower links; D - Offset boss; E - Overlap; F - Counter bore; G - Central hole in offset boss; H - Pin; J - Bushing; K - Seal