Welcome to our world exploring the Historical, Political and Technological aspects of Locks, Keys and Safes

Page 2 of 3 FirstFirst 123 LastLast
Results 11 to 20 of 22
  1. #11
    Join Date
    Sep 2004
    Location
    Devon UK
    Posts
    3,117
    Country: UK

    Default

    Although I do have a Chatwood safeplate which has three escutcheons on it (from the city Of London) I only know of two other examples of that (from the same building). Two locks were common, with or without escutcheon locks either on the safeplate or from a seperate lock let into the hinge edge of the door and operated from a key just under the top hinge.
    Cheers
    Tom

  2. #12
    Join Date
    Mar 2006
    Location
    West Midlands, UK
    Posts
    54

    Default

    I'd suggest that the three stumps would greatly reduce the chances of the bolt being punched. It would probably increase the dificulty in picking, too, since you would get differing feedback.

    That's probably also a reason behind some levers having only one interaction, while the others have two or three. It might also prevent some decoder attacks.

    Very nice locks.

  3. #13
    Join Date
    Aug 2004
    Location
    Cyberspace
    Posts
    1,318
    Country: Australia

    Default

    Also the lock would have to be drilled three times ..

  4. #14

    Default

    I have seen these fitted on Vault doors even with these shorter keys

  5. #15
    Join Date
    Aug 2004
    Location
    Cyberspace
    Posts
    1,318
    Country: Australia

    Default

    Quote Originally Posted by exspook View Post
    I have seen these fitted on Vault doors even with these shorter keys
    That would have been a 'book quality' door. The real heavy doors used long detachable keys - by necessity :!:

  6. #16

    Default

    The example I was thinking of had three locks each with a seperate 7-11 escutcheon and the door was only 25mm (one of those Old Inches) thick, with a grille gate on the inside
    The back pan was a two manner to remove with massive threaded bolts

    I have not seen these with detachable bits, do you have an image please?
    Many thanks
    Exspook

  7. #17
    Join Date
    Aug 2004
    Location
    Cyberspace
    Posts
    1,318
    Country: Australia

    Default

    Not a great picture as I took this quite a few years ago ..

    Click image for larger version. 

Name:	P1010013.JPG 
Views:	20 
Size:	55.0 KB 
ID:	2230

  8. #18

    Default

    Thank you
    I have seen these keys on CHUBB Channel locks (pipe key)and the key bit has a dovetail taper that holds it in place on the stem

    Think I have one around will try and get some images

    Thank you for the fast reply

  9. #19
    Join Date
    Aug 2004
    Location
    Cyberspace
    Posts
    1,318
    Country: Australia

    Default

    I've seen those too. I suspect they post date these Milners and Chubb copied the design (nothing unusual there).

  10. #20
    Join Date
    Nov 2005
    Location
    Seattle WA
    Posts
    1,327
    Country: United States

    Default

    Back ground info on this lock please. What range of dates was this 3 stump lock manufactured? If I am right what I have so far is there was a 7 lever and a 9 lever. Was the 7 only used on certain containers and the 9 on others? Is there a listing of serial numbers? Is there a history of the company or the designer Benjamin Boyce of this lock?

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •