E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 27/10 (2006.01) B23C 3/35 (2006.01) E05B 19/00 (2006.01) E05B 19/02 (2006.01) E05B 27/00 (2006.01)
Patent
CA 2117283
A cylinder lock-key-combination includes a lock cylinder, a cylinder housing (2) and a cylinder plug (3) provided with a key slot (3a) and a row of tumblers (5). The tumblers (5) and associated key (4) present mutually adapted engaging and receiving members which function to forcibly guide movement of the tumblers in two opposite axial directions as the key is inserted into the lock. For instance, the pin tumblers (5) include a circular flange (5a) and a side surface of the key (4) includes a groove (4b) which extends along the length of the key and whose width varies so as to accommodate the flanges of the rotatable or twistable tumblers. Alternatively, the tumblers are provided with a groove or a waisted portion and the key is provided on a side surface thereof with a rail which engages in the groove or waisted portion. In addition, the tumblers (5) may be provided with waisted portions (5b) to enable the tumblers to function as latching pins in coaction with a side-bar, or to form bottom tumblers for coac- tion with corresponding spring-activated top tumblers, or to function as locking pins in direct engagement with bores provided in the lock housing. The invention also relates to a key for forcibly guiding the pin tumblers, and also to a method of manufacturing such a key from a key blank. such a key from a key blank.
Haggstrom Ake
Assa Ab
Shapiro Cohen
LandOfFree
A cylinder lock-key-combination, a key therefor and a method... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with A cylinder lock-key-combination, a key therefor and a method..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A cylinder lock-key-combination, a key therefor and a method... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1832695