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#1
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strange locks
?Perhaps someone can fill me in on the manufacturer of some very strange
locks on a house we just purchased. I've never encountered locksets like this before. The mortised part has no name or code on it. The mechanism is odd: there is a lever handle inside and outside the door, with a keyed tumbler below the handle on the outside and knob on the inside. There is both a deadbolt and latch in the mortised mechanism. To operate the unlocked door, you depress the lever on either the inside or outside to withdraw the latch. To lock, however, you RAISE the lever, extending the deadbolt. If you do not then lock via the tumber or knob, depressing the lever will withdraw the deadbolt and retract the latch. However, if the key or knob are turned to the lock position, then the handle cannot be depressed, and thus the door stays locked via the deadbolt. The material seems to be a blackened brass, but I'm not sure. On two French doors to the outside, we have the same hardware. However, the setup on what would typically be the Dummy door is active. Using the same philosophy of "raise the lever to extend deadbolt, depress lever to withdraw deadbolt when key not locked." the deadbolt for the dummy door is actually completely inside the door and extends upward into the upper jamb and downward into the threshold. In other words, the dummy lever/handle locks the inactive door by extending deadbolts both up and down. Any ideas of the brand name, who makes it or who might service it when/if it breaks? Mark |
#2
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strange locks
On Oct 9, 1:07*am, "Mark M" wrote:
?Perhaps someone can fill me in on the manufacturer of some very strange locks on a house we just purchased. *I've never encountered locksets like this before. The mortised part has no name or code on it. * The mechanism is odd: *there is a lever handle inside and outside the door, with a keyed tumbler below the handle on the outside and knob on the inside. *There is both a deadbolt and latch in the mortised mechanism. *To operate the unlocked door, you depress the lever on either the inside or outside to withdraw the latch. *To lock, however, you RAISE the lever, extending the deadbolt. *If you do not then lock via the tumber or knob, depressing the lever will withdraw the deadbolt and retract the latch. *However, if the key or knob are turned to the lock position, then the handle cannot be depressed, and thus the door stays locked via the deadbolt. The material seems to be a blackened brass, but I'm not sure. On two French doors to the outside, we have the same hardware. *However, the setup on what would typically be the Dummy door is active. *Using the same philosophy of "raise the lever to extend deadbolt, depress lever to withdraw deadbolt when key not locked." the deadbolt for the dummy door is actually completely inside the door and extends upward into the upper jamb and downward into the threshold. *In other words, the dummy lever/handle locks the inactive door by extending deadbolts both up and down. Any ideas of the brand name, who makes it or who might service it when/if it breaks? Mark When identifying door hardware pictures are worth a thousand words... Also you might find a manufacturer name under the decorative plate over the mortise lock set body on the edge of the door... ~~ Evan |
#3
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strange locks
Mark M wrote:
?Perhaps someone can fill me in on the manufacturer of some very strange locks on a house we just purchased. I've never encountered locksets like this before. The mortised part has no name or code on it. The mechanism is odd: there is a lever handle inside and outside the door, with a keyed tumbler below the handle on the outside and knob on the inside. There is both a deadbolt and latch in the mortised mechanism. To operate the unlocked door, you depress the lever on either the inside or outside to withdraw the latch. To lock, however, you RAISE the lever, extending the deadbolt. If you do not then lock via the tumber or knob, depressing the lever will withdraw the deadbolt and retract the latch. However, if the key or knob are turned to the lock position, then the handle cannot be depressed, and thus the door stays locked via the deadbolt. The material seems to be a blackened brass, but I'm not sure. On two French doors to the outside, we have the same hardware. However, the setup on what would typically be the Dummy door is active. Using the same philosophy of "raise the lever to extend deadbolt, depress lever to withdraw deadbolt when key not locked." the deadbolt for the dummy door is actually completely inside the door and extends upward into the upper jamb and downward into the threshold. In other words, the dummy lever/handle locks the inactive door by extending deadbolts both up and down. Any ideas of the brand name, who makes it or who might service it when/if it breaks? Mark So you can't lock yourself out without a key? Not so strange. -- LSMFT Simple job, assist the assistant of the physicist. |
#4
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strange locks
Mark M wrote:
.... ...who might service it when/if it breaks? .... errr, a locksmith???? -- |
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