Adjustable Spanners

June 11, 2010

Taper or Wedge Lock Adjustable Spanners

Filed under: Taper — Tags: — admin @ 7:48 am

This is made in a number of forms

Unknown maker 16 inches long. Found at a builders yard being cleared for sale.

Unknown maker taper lock adjustable
Unknown maker taper lock adjustable
Found on ebay no makers name, made of wrought iron

Unknown maker taper lock adjustable
Unknown maker taper lock adjustable
Unknown maker 23 inches long. Signs of repair, made of wrought iron.

Jukes Coulson Stokes Adjustable spanner
Jukes Coulson, Stokes & Co but it has some parts missing and is 9 inches long

Goddard Taper Lock
Goddard Taper Lock circa 1953-54 production was 600 of various sizes
There are some earlier patents that relate to this design 1909 1922 1949 1951
MEC taper lock adjustable spanner
MEC taper lock adjustable spanner
This is an example made by Macdowall Equipment Company the patentees of the 1951 patent above (found on EBAY)

Unknown make adjustable spanner
Unknown make adjustable spanner
The above example has the spring in a slot between the jaw and handle in the same manner as the MEC spanner and yet I cannot see a makers name but it is very rusted. (found on EBAY), for a possible clue to its origin see http://www.datamp.org/patents/displayPatent.php?pn=1481250&id=42490

A very closely related patent where the handle is on the outer member restraining the taper

Crescent pattern taper lock
Wooden Handled

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