| US 7,500,371 B2 | ||
| Locking device with passage | ||
| Guillermo Andres, Pleasanton, Calif. (US); and Lambert Kuo, Tainan (Taiwan) | ||
| Assigned to Acco Brands USA LLC, Lincolnshire, Ill. (US) | ||
| Filed on Nov. 18, 2005, as Appl. No. 11/283,322. | ||
| Prior Publication US 2007/0113608 A1, May 24, 2007 | ||
| Int. Cl. E05B 27/00 (2006.01) | ||
| U.S. Cl. 70—491 [70/404; 70/416; 70/419; 70/421] | 16 Claims |
| 1. A lock device for use with a key with an extended portion, the lock device comprising:
a locking spindle including a plurality of locking spindle bores and a passage extending axially along an axial length of
the locking spindle;
a driver structure including a plurality of driver structure bores, wherein an interface between the driver structure and
the locking spindle forms a shear line;
a plurality of combination pins in the plurality of locking spindle bores; and
a plurality of driver pins in the driver structure bores in the driver structure, the plurality of driver pins being respectively
associated with the plurality of combination pins,
wherein the passage extends to the shear line and the extended portion of the key extends exactly to the shear line when the
key is used to turn the locking spindle,
wherein the passage is configured to receive at least one of the driver pins if an unauthorized structure is used to turn
the locking spindle, and
wherein the lock device further comprises a locking member coupled to a distal end of the locking spindle.
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