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US 4,406,338 AGranted
Weight cart
OwnerGlenn G. Dunbarinventor
Life of this patent
Estimating the term…
Abstract
A scale testing cart for transporting and positioning weights to effect the calibration of a platform scale is disclosed. The cart includes a frame with two opposed wheels located at one end of the frame. A rotatable driven wheel is located at the opposite end of the frame for steering and driving said cart. A hydraulically operated lifting hook is provided on the frame for engaging and lifting said scale testing weights.
Claims12
A cart for transporting scale testing weight comprising:
- a support member;
- two plates connected to said support member, said plates positioned adjacent the sides of said support member, said plates extending from said support member in a direction substantially perpendicular to said support member;
- an opening defined in said support member;
- a wheel assembly rotatably connected to each of said plates, said wheel assembly moveably supporting said plates;
- a driven wheel pivotally connected to said support member, said driven wheel being spaced apart from said plates, said driven wheel moveably supporting one end of said support member;
- a drive means operatively connected to said driven wheel, said drive means controlling the rotation of said driven wheel;
- a control handle operatively connected to said driven wheel and said drive means, said handle controlling the pivotal movement of said driven wheel with respect to said support member and the rotation of said driven wheel by said drive means;
- and
- a lifting means positioned on said support member, said lifting means including at least one lifting hook that extends through said opening in said support member, said lifting hook being positioned for engaging said lifting scale testing weights.
6 more elements
Dependencies are inferred from the claim text.