Author Topic: No Marks, automatic wrench  (Read 1876 times)

0 Members and 1 Guest are viewing this topic.

Offline gregguy

  • Newbie
  • *
  • Posts: 2
No Marks, automatic wrench
« on: March 23, 2021, 12:30:13 PM »
Any information would be great.   Type, history, age. manufacturer


Offline gregguy

  • Newbie
  • *
  • Posts: 2
Re: No Marks, automatic wrench
« Reply #1 on: March 23, 2021, 12:31:43 PM »
Sorry the picture is so bad.
The site seems to only allow 250K which by definition make for a bad picture.

Offline Lewill2

  • Hero Member
  • *****
  • Posts: 2004
  • Bucks County PA
Re: No Marks, automatic wrench
« Reply #2 on: March 23, 2021, 02:37:10 PM »
This style wrench has been manufactured by multiple companies in multiple countries over the years. The unmarked versions are difficult to identify as to a country of origin or manufacturer.

Offline Yadda

  • Hero Member
  • *****
  • Posts: 1998
Re: No Marks, automatic wrench
« Reply #3 on: March 23, 2021, 07:47:04 PM »
http://www.datamp.org/patents/displayPatent.php?pn=D48996&id=30746

If it isn't marked there isn't much you can do, but the patent above is where they got the idea.
You might say I have a tool collecting problem....