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US3912293A
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Retractable load booster assembly for large cargo trucks
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US3785673A
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Preloaded spring beam and method employed alone or in combination with air bellows spring
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US3767071A
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Method for moving massive loads
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US3525184A
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Stadium with mobile seating sections
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US3494609A
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Leaf spring and axle seats
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US3494629A
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Spring suspension assembly
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US3514089A
|
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Resilient elastomeric bushing assembly
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US3361445A
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Universal compound spring suspension for vehicles
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GB1126580A
|
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Improvements in vehicle spring suspensions
|
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US3347563A
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Fifth-wheel elevating and level controlling air jack for semi-trailer dollies
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US3361444A
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Resilient suspension system for use between a truck body and chassis frame
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US3282601A
|
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Cargo vehicle with load distributing accessory
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US3237957A
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Carriage with compound spring suspension assembly
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US3233915A
|
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Carriage with compound spring suspension assembly
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US3144246A
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Spring suspension assembly with adjustable seat for radius leaf
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US3198542A
|
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Spring suspension assembly with brake hop control
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US3185496A
|
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Fifth wheel assembly
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US3169783A
|
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Drawbar hitch assembly
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US2996313A
|
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Drawbar hinge for truck trailers and the like
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US3052487A
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Trailer hitch
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