Jaco, Inc.

David Maloney

Alfred P Rossini

Thomas J Bagley

Jeff Silverman

Govind Patel

Leonard Halio

Jeffrey M Silverman

David Leiter

A mobile workstation comprises a wheeled base, a height-adjustable post assembly fixedly coupled to the rear end of the wheeled base, and a tray assembly fixedly coupled to the top of the post assembly. The post assembly has a four-post construction, with upper and lower vertical posts pivotally connected to a pair of linking posts. To accommodate different users, the post assembly is designed to articulate between an upper position and a lower position through a primarily vertical travel path. The four-post construction of the post assembly disperses the weight of the tray assembly, thereby reducing the manual force required to implement height adjustment. The planar, primarily vertical, travel path undertaken by the post assembly during height adjustment maintains the workstation center of gravity to a centralized location in the base, thereby minimizing the use of counterbalances to ensure stability. As a result, the workstation is lightweight and easily maneuverable.

Mobile workstation

Post assembly for a mobile workstation

A multi-wheeled base for a mobile cart includes one or more swiveling, optionally locking, caster wheels and one or more non-swiveling traction wheels to improve the maneuverability of the cart by making it easier to steer and stop. The traction wheels may be manually-engaged traction wheels, which may be operated by a cam and lever. The traction wheels may also be automatically-engaged traction wheels operated by a motor and a threaded shaft, and activated by a motion-sensitive sensor or by an on/off electrical switch or button. The traction wheels are preferably in contact with the floor when the mobile cart is moving, and raised above the surface of the floor when the cart is stationary.

Mobile cart base with traction wheel

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Medway, MA, United States of America

David Maloney