Patient transport apparatus with auxiliary wheel system

A patient transport apparatus transports a patient over a floor surface. The patient transport apparatus comprises a support structure and support wheels coupled to the support structure. An auxiliary wheel is coupled to the support frame to influence motion of the patient transport apparatus over a...

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Bibliographic Details
Main Authors Derenne, Richard A, Bartley, Gary L
Format Patent
LanguageEnglish
Published 19.04.2022
Subjects
AXLES FOR WHEELS OR CASTORS
CASTORS
CHAIRS FOR DENTISTRY
FUNERAL DEVICES
HUMAN NECESSITIES
HYGIENE
INCREASING WHEEL ADHESION
MEDICAL OR VETERINARY SCIENCE
OPERATING TABLES OR CHAIRS
PERFORMING OPERATIONS
TRANSPORT OR ACCOMODATION FOR PATIENTS
TRANSPORTING
VEHICLE WHEELS
VEHICLES IN GENERAL
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Summary:A patient transport apparatus transports a patient over a floor surface. The patient transport apparatus comprises a support structure and support wheels coupled to the support structure. An auxiliary wheel is coupled to the support frame to influence motion of the patient transport apparatus over a floor surface. The auxiliary wheel is movable to a deployed position with the auxiliary wheel engaging the floor surface and a stowed position with the auxiliary wheel spaced a distance from the floor surface. An actuator assembly including a lift actuator a biasing device, and a biasing load adjustment assembly. The lift actuator is operable to move the auxiliary wheel to the deployed position and to the stowed position. The biasing device configured to bias the auxiliary wheel towards the deployed position. The biasing load adjustment assembly configured to adjust a biasing force being applied by the biasing device to the auxiliary wheel.
Bibliography:Application Number: US201916690227