B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/60
B25B 13/12 (2006.01) B25B 13/58 (2006.01)
Patent
CA 1136908
ABSTRACT The adjustable wrench is of the open-ended wrench type in- cluding a manually graspable handle and a nut-seizing jaw con- nected to the handle. The jaw includes an upper jaw and a lower jaw spaced a fixed distance from each other to define an open- ing for receiving a nut, and a slot communicating with the o- pening and extending through the jaw. A plurality of equal size shims are longitudinally slidable through the slot from a location outside of the opening to a location inside of the opening to provide a variable dimension for the nut-receiving opening. The handle includes a shelf portion adjacent the jaws for supporting the plurality of equal size shims and the plu- rality of equal size shims comprises interlock means for pre- venting any shim from being located inside of the opening un- less there is supportive contact with the jaw. The interlock means comprises equal size lugs carried by the shims, and each of the shims defines a groove for receiving the lug of an un- derlying shim, the plurality of equal size shims being posi- tioned for sequentially varying the nut-receiving opening di- mension by longitudinally moving the shims into the opening with the shims that are moved into the opening being in suppor- tive contact with the jaw. An abutment means carried by the top shim adjacent to and spaced from the lug on said top shim to prevent the shims from sliding further than a predetermined distance and to provide a space between the lug on the top shim and the jaw when the shims are slid inside the opening is also provided.
355109
Borden Ladner Gervais Llp
Maclay G. . Jordan
LandOfFree
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