| 摘要 |
An adjustable support system for use in anchoring a machine or other load to a foundation is disclosed. The system includes a base chock having a horizontal floor with an open slot formed in the floor to permit retrofitting around an installed anchor bolt. A frame chock is shaped to rest on the floor of the base chock; in many applications the frame chock is preferably poured in place around the anchor bolt. A retractable shim carrier, shaped to rest on the floor of the base chock between the floor and the frame chock, likewise has an open slot formed therein for insertion around the anchor bolt. One or more shims of varying thicknesses are shaped like the shim carrier to be inserted as needed, riding upon the shim carrier, between the floor of the base chock and the lower surface of the frame chock. The base chock can include small magnets, (or can be made of magnetic material and magnetized itself), and the shims and shim carrier can include magnetic material, to reduce shim bowing and slippage during installation and operation. The frame chock may also include protruding ears having slotted holes to further "lock" the frame chock to the base chock.
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