Creeper having lever arms providing variable mechanical advantage for inclining a back portion

A creeper having a base and an inclinable back portion and an apparatus for inclining the back, the apparatus including lever arms, pull bars, a sliding member, rocker arms and a sprocket wheel about which a length of chain attached the lever arm rolls. A point of target contact between the chain an...

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Bibliographic Details
Main Author AUEL; CARL C
Format Patent
LanguageEnglish
Published 12.01.1999
Edition6
Subjects
BEDS
CHAIRS
COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
FURNITURE
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
HAND TOOLS
HUMAN NECESSITIES
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
SOFAS
SPICE MILLS
STORAGE MEANS FOR WORKSHOPS
SUCTION CLEANERS IN GENERAL
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TRANSPORTING
WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK
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Summary:A creeper having a base and an inclinable back portion and an apparatus for inclining the back, the apparatus including lever arms, pull bars, a sliding member, rocker arms and a sprocket wheel about which a length of chain attached the lever arm rolls. A point of target contact between the chain and sprocket wheel moves along the length of the lever arm resulting in a variable mechanical advantage for a force applied to the lever arm.
Bibliography:Application Number: US19960626983