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US 9,809,946 B2Granted
Demolition apparatus
AssigneeCaterpillar Work Tools B.V.
InventorsJohn Van Gemert, Willem Hooijmans, Henry Dings, Patrick Grant
Life of this patent
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Abstract
A demolition apparatus and an adapter frame of the demolition apparatus are disclosed. The adapter frame may be formed with coupling seats which engage pins on a jaw set to assemble the demolition apparatus. The openings of the coupling seats face different directions for quick and simple assembly of the demolition apparatus. A rotatable locking element may be provided on the adapter frame to lock a pin on the jaw set.
Claims3
A demolition apparatus comprising:
- a jaw set having a first jaw pivotally connected to a second jaw, the jaw set further comprising a pivot pin and a coupling pin provided on the first jaw;
- an adapter frame having a housing provided with spaced-apart first and second coupling seats to engage with the pivot pin and the coupling pin and a cylinder to pivot the second jaw relative to the first jaw;
- at least one locking element rotatably supported at the second coupling seat for retaining the coupling pin, the locking element includes a C-shaped retaining member to receive and engage the coupling pin;
- wherein a cut-out arc extends along a portion of a circumference of the locking element;
- and
- wherein the cut-out arc is bound by stop limits formed on the locking element wherein the stop limits abut a limit element for restricting the rotation of the locking element.
3 more elements
Dependencies are inferred from the claim text.