J. I. Case Company

Robert D Doescher

Roger L Anliker

James C Skeel

Thomas M Denny

A wrist rest is disclosed for use with a large construction or farm vehicle having a rotatable operator's seat. The rest is associated with joystick-like control mechanisms and assures that the operator's arm remains positioned stationary relative to the joystick control mechanism. That is, even if the operator were to rotate about the cab in his seat the rest will ensure that the operator's arm remains operably positioned stationary with respect to the joystick control mechanisms. The rest is releasably fixed to a control console and may be released and rotated or moved vertically to any desired position. In addition, the rest is configured to have a slanting portion that will overlie a corresponding slanting portion on the control console and allow the arm rest to be placed in a stowed position where it directly overlies the control console and is out of the operator's way.

Adjustable wrist rest

A tilt steering wheel assembly has a steering column that may be pivoted to a variety of tilt positions for adjusting the steering wheel to the comfort of an operator of a motor vehicle. The range of adjusted positions is limited between comfortable driving positions. A latch lever is provided for releasing the steering wheel from one of the adjusted positions so that it may be tilted to another of the adjusted positions. The lever is limited in its rotatable travel to limit the range of adjustable positions, but may be released from this limitation so that the steering column and steering wheel may be tilted to an extreme position for servicing components connected to the steering column.

Tilt steering column latch release

A vehicle cab duct arrangement allows an operator to gain access to two vents typically included in an air circulation system from a single opening for maintenance or replacement of filters. A fresh air vent communicates air into the housing from the outside environment and an interior vent recirculates air from the cab into the inlet plenum. Filters are received in both vents for removing impurities from the air passing into the inlet plenum. The fresh air vent has a removable grill that allows access to the filter, and the interior vent is spaced from the fresh air vent opening such that it is accessible from the opening so that the interior vent filter may also be removed for maintenance. The two vents are disposed parallel with respect to each other and the vehicle cab door, so that when the vehicle cab door is closed, air is forced inwardly through the interior vent and towards the filter on the fresh air vent to clean the filter.

Cab duct arrangment for service of air filters through a single access

An apparatus is disclosed that aids an operator in entering or leaving the cab of a large construction or farm vehicle. This apparatus consists of a series of steps leading from the ground up into the cab of the vehicle and two guide rails that guide the operator up into the cab. A first guide rail is fixed to the cab outer housing, and a second guide rail is fixed to the inner face of the cab door that provides access to the cab. The cab door guide rail is angled and positioned so as to aid in guiding the operator into or out of the cab and is also positioned so as not to interfere with the use of any accessories that may be mounted within the door. In addition, the cab door guide rail is useful as a door handle and allows the operator to guickly enter or exit the cab.

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Bolingbrook, IL, United States of America

Robert D Doescher