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  1. #11
    Join Date
    Nov 2005
    Location
    Central England
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    68
    Country: England

    Default

    I'd guess Chatwood had patented that before Ratcliffe and Horner even made safes!









    According to Paul on this site

  2. #12
    Join Date
    Jan 2010
    Location
    SWUK
    Posts
    110
    Country: UK

    Default The first changeable keylock

    Well If Tom can find the number on his Chatwood lock perhaps this would give an indication of just how old the design is? But without doing any research, how long have Kromer been been around? also are not most of their designed locks are of a double bitted nature?

    Oh and talking of Kromer anybody seen the Kromer "Pork Pie" lock thats up for sale on ebay that lock is a classic a Tann service engineers nightmare lol

  3. #13
    Join Date
    Sep 2004
    Location
    Devon UK
    Posts
    2,979
    Country: UK

    Default

    Just to keep Alan happy....and of course Chatwood bought hundreds of the Kromer pork pies on at least two occasions to fit onto their safes, although a slightly different version to the one on ebay.

  4. #14
    Join Date
    Jan 2010
    Location
    SWUK
    Posts
    110
    Country: UK

    Default Chatwood buying Kromer locks

    Quote Originally Posted by Tom Gordon View Post
    Just to keep Alan happy....and of course Chatwood bought hundreds of the Kromer pork pies on at least two occasions to fit onto their safes, although a slightly different version to the one on ebay.
    Well In all the time I worked on chatwood stuff I can't remember seeing a "pork pie lock" on a Chatwood safe, when was the period that they were fitted Tom?

  5. #15
    Join Date
    Sep 2004
    Location
    Devon UK
    Posts
    2,979
    Country: UK

    Default

    18th August 1883 600 12-lever locks bought from Kromers
    Attached Thumbnails Attached Thumbnails img017.jpg  

  6. #16
    Join Date
    Sep 2004
    Location
    Devon UK
    Posts
    2,979
    Country: UK

    Default

    This simpler lock from Kromer was 1940/50ish
    Attached Thumbnails Attached Thumbnails chatwoodduplexi.jpg  

  7. #17
    Join Date
    Oct 2009
    Location
    Cleveland, Ohio USA
    Posts
    1,267
    Country: United States

    Default

    From what I have found Theodor Kromer patented his Protector in the 1870's. He is supposed to have worked for lock company here in the States prior to that time. The changeable style that is used on the Kromer Convar, Ratner, Chatwood and others, dates back into the mid 1800's, at least here in the US. A 1864 MacNeale patented combination lock is the clearest example but the idea go back even further. Doug

  8. #18
    Join Date
    Oct 2009
    Location
    Cleveland, Ohio USA
    Posts
    1,267
    Country: United States

    Default

    Here are a couple patents. The 1864 MacNeale isn't as clear as the William Hall of 1865. Doug
    Attached Thumbnails Attached Thumbnails IMG_0001.jpg   IMG_0002.jpg  

  9. #19
    Join Date
    Jan 2010
    Location
    SWUK
    Posts
    110
    Country: UK

    Default Chatwood or Kromer

    So we will settle for Kromer then? Interesting subject though I have seen the keys and locks for these later 40/50s ones but never had the need to strip one down.

  10. #20
    Join Date
    Sep 2004
    Location
    Devon UK
    Posts
    2,979
    Country: UK

    Default

    My Chatwood example is 1899 but the lock was made from 1877 at which time is was described as a "new changeable key lock".

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