S&G 8500: Difference between revisions

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== Principles of Operation ==
== Principles of Operation ==
The 8500 uses a spring mechanism to prevent the [[fence]] from touching the [[wheel pack]] during dialing. There is a U-shaped spring connecting the [[lever]] to the case. Unless the gates are aligned properly, this spring will not allow the nose to rest on the drive cam.
The 8500 uses a spring mechanism to prevent the [[fence]] from touching the [[wheel pack]] during dialing. There is a U-shaped spring connecting the [[lever]] to the case. Unless the gates are aligned properly, this spring will not allow the nose to rest on the drive cam.
== External Links ==
* [https://www.sargentandgreenleaf.com/products/mechanical-locks/8500-series/ 8500 product page]
* [http://www.sargentandgreenleaf.com/ Sargent & Greenleaf homepage]

Revision as of 23:29, 27 December 2018

Sargent and Greenleaf 8500

S&G 8500
8500 spring not charged.png
Name S&G 8500
Manufacturer Sargent & Greenleaf
Lock Type Combination


The 8500 is a UL Group 1 combination lock made by Sargent and Greenleaf. It is mainly used on safes and vaults.

Principles of Operation

The 8500 uses a spring mechanism to prevent the fence from touching the wheel pack during dialing. There is a U-shaped spring connecting the lever to the case. Unless the gates are aligned properly, this spring will not allow the nose to rest on the drive cam.


External Links