.~ With intermediate support member (e.g., linkage)
DEFINITION
Classification: 305/155
With intermediate support member (e.g., linkage):
(under subclass 143) Apparatus including a longitudinally extending beam having an inner and outer ends and a transversely extending shaft on the vehicle connected to a midportion of the beam for supporting the beam to rock front and center wheels freely about a transverse axis.
SEE OR SEARCH THIS CLASS, SUBCLASS:
125, for an endwheel support for movement to maintain track tension.
153+, for a longitudinally adjustable tension adjuster.
SEE OR SEARCH CLASS
280, Land Vehicles,
81.1, for a multiple track running gear; subclass 679 for a running gear equalized frame with a torsion type suspension; subclass 685 for a running gear equalized frame with a coil-type suspension. [figure] [caption]A - Longitudinal frame; B - Rear wheel; C - Center wheel; D - Front wheel; E - Transverse grooves; F - Metal link endless track; G - Side bracket; H - Lateral rigid pipe; P, L - Fixed wheel spindle; Q, M - Bearings; N - Rigid upright
