Understanding The 30+ Lock Functions
While locks can look the same, they often function in significantly different ways. To make understanding them simpler, widely adopted industry standards define a range of over 30 different lock classifications.
In this note, we look at these crucial codes, and several key points in working with and understanding lock functions:
- Which codes describe functions, based on the lock type
- Why lock functions are important to access control
- Three charts showing 30+ lock functions, broken down by common use
- Storeroom vs. Office Lock Functions
- The difference between Latchbolts vs. Deadbolts
- The six most common commercial lock functions
- Classroom functions in detail
- How functions are typically specified
Standardizing **** *********
*** '********' ** ********** ******** ** a ****, ********** * ******* ** cylindrical ***** ****, ****** ** ********* for ** *******. ***** *** ********** into **** **** ** *****, ***** codes ********* ** **** ******** *********.
*** ******** ******** ******** **** ********* depends ** *** **** ****. *** two ***** ***:
ANSI/BHMA ****.*: ******* ** *********** (*****) ***-********* ***** *** *******:
ANSI/BHMA ****.**: ******* ** ******* ***** *** *******:
** **** ******* ** ********* ********* in ******** *** *** ** **** when ********* ******** (******* ********) ***** (F76/F02 ** ***) *** ******* ****** (Storeroom ********) ***** (***/***).
***** *** ******** ******** ***********, ******** locks ******* *** ********* ** **** from *** ******, ********** *** ******* of *********. *******, **** **** ******* is ******* ** ******* *******, ****** due ** *** ********* ** ************ locking *** **** **** *** ********** access **** *** *******, ******** ********, or *********** ************** ****** ******.
Storeroom **. ****** **** *********
*** ** *** **** ********** **** lock ********* *** ****** ******* *** 'Entrance/Office ***** (**** ***/***)' *** '******** Storeroom ***** (**** ***/*** ** ***/***)'.
** **** *****, ***** ***** **** general-purpose *** *** *** ****** ************** for **** *********. *******, ****** ********** shows ***** *********** ** ***/** **** are ******.
** **** *****, *******/********* **** *** outside ** *** **** ******** * key. *** ******* *** **** **** inside ******* ******* **** *********: ********* just ******** ******* *** **** ****** to **** *** ***** ****, ***** the ****** ******** **** **** * deadbolt **** **** ** ********** ******/******** by ******* * *****-****.
*** ********* ****** ** **********/******** ****** may ** *****, *** *********** **** a ***** **** *** * ********-******** door ***** ******** ***** * **** strike **** ********** **** *********** **** types ** ******* ****** **** **** a ***** ****.
Latchbolts **. *********
** ******* *********** ** ********* ******* latches, *** **** *****:
'*****' **** '*********' *** *** ******* or ****** *** *** **** **** to ** ******/********* **** *** **** is ****. **** ********* ******** ***** a *** ** ******** * *****-**** that ** ******** **** *** **** lock ***** ******.
'*******' *** ******* *******/****** ** **** a **** **** ****** **** ******* them **** *** *** **** **** the **** *****. ******** ********** ***** latches ** **** ************ *********** **** the **** **** ***** ******, ** turning *** ****** ******** *** *****.
Pushbuttons **. ***** *******
* ********* ***** *** ************ *********** element ********** **** ********* ** ******* they *** **** ******* ** **** to **** * **** **** *** inside.
*** ***** ********** ** ********* ** lock * **** ******** ***** * keyholder ** **** ******* * ****** on *** ****. *** **** ****** makes ** ******** *** ****** ** lock * ****, ***** * ***** lock *** **** ** **** ** a ********* ******* *** ****** *********:
Lock ********* *** ********* *****
*********, *** ***** ******** ** ***** is *** ** *** ******* *** fixed, *** ** **** ******** *** lock ********* ** *** ***** ** possible, * **** ******** *** ********** on *** ***** ** ******.
******, * **** ****** ******** ** many ****** **** * ****** *** look *******, *** ** ******* ** multiple **** **** ****** ***** ** what **** ******** ** *********.
Electronic ****** *********
*** *********** *** ******** ** ********** locksets *** ********* ** ******** ********** access, *********** ********* ************** ******* ****/****** *****. ******* ** ********** *** ********** hardware ******** *** ****** ** *** improper/illegal *** ** ********** ********.
*** *******, ** * ******* **** includes * ******** ********, ** ************ electric ****** *** **** ** ** upsized ** ******* **** **** *** latch ** **** **** *** ****** may ** ********. ********, ** * lock ** ** *****/*** ******** ********, it ** **** ****** ****** *** key ******* **** *** *******, *** simply ***** * ******* ** *** enough ** ******* *** **** **** access ******* **, *********** ******* ** injuring ****** ****** ** ******.
30+ ******** *****
***** ********** ** ***** *** ********** by *****, *** ***** *** **** 30 ********* ********* *********.
****** ***** **** ***********, ********* **** defined *** ****** ****** **** '******* Functions, ** '******* *****'. ******* ******** and ************ ********** ** ***** ****** are ******, *** ****** *********** ***** locks ** ****** ****** **** *** guarantee *** ***** ******** **** ** ordered, ** ***** *** ************ **** is ********* *** *******.
*** **** ********** *********/**** ****/**** ******** codes ***:
**** ******** *********/**** ****/**** ******** ***** are:
********* **** *** *** *** *** fully ******* ** ********** **** *** commercial ********* *******:
Common ********** **** *********
***** *** ***** ** *** **** common ************, *** ***** ************* **** functions, *** ******** ***********:
- ****** *****:**** ****** ******* **** ** **** their ***** ***** *****. *** ***/*** function **** ** ******** **** * button ** *** **** ** *** lock **** **** *****, **** *** door **** ** **** **, *** ensure ** *** **** ** ******** by *** **** **********.
- ****** *****: *** ****** ******** ************, *** addition ** * ******** ** ******. The ***/*** "********" ******** ****** *** an ********** ******** ** ** ****** by ***** ******* **** *** ******* of *** **** **** ** *********** ******. *******, **** ********* *** inside *** ****, *** ***** ********* like * "*******" **** ******** **** egress.
- ***** ****: *** ***/*** "*******" ******** ** ideal *** ***** ***** ***** *** environmental ********** (*****/****) *** ** *** necessarily **** **** ********. ***** **** Break ***** *** ****** ******, *** "Passage" ***** ****** **** *** *** inadvertently ** *********** ****** **** ***.
*** ***** ************, *** *******, * medical ******* ******, *** ** * likely ****** ******* *** **** ** locked *** *** **** *** *** only ** ****** ** * ***. The **** ************* ***** **** *** door ** ****, ***** ** ***** for ******** * ****** ****** **** valuable *****. **** *** **** ********* a ******************, ******** ** *** **** *** prepped *** * **************, **** *** ***** ******* *** same ********.
Not *** ********* *** **** *********
******* *********** ****** **** ********* - E2141/F16 "****** ***** ********" ****** ** used ** **** ***** ***********, ***** others ******** ****** *** ******** *** of ****** - ***/*** **** ** Hotel/Motel *****.
Classroom ********* ** ******
**** ***/*** ** ********** ****** '********* Function', ** **** *** ******** ** be ********* ** ******* ** * potential ********** ******* ****** ******** ** intruders.
***** ***** ****** ***** ********* *** of * ********* ********** ** *** door ** ****** ** ***. *******, to **** *** ****, * *** must ** **** ** *** ******* of *** ****. **** *********** *** caused **** ******* ** *** **** of ****** ********* ******* **** ****** the ******* ** ***** ** *** danger ** ******* *** ****. ** note, ***** ******** **** *** ****** are ***/*** ****** ******** *****.
**** ******** *** **** ******** ******** as '********* *****' ** *** ******* F84/F05 **** ********** ******* **** *** be ****** **** ****** *** *****. While **** *********** *** ** * safer ********, ** **** *** **** the ****** '********* ********' **********, *** special ********* ** ****** ** ******* the ****** *********.
[****: **** ***** *** ********** ********* in ****, *** ************* ******** *** updated ** ****.]
**** *********** *** ********* ******** ************* to ********** ****** ******* **** **********, architects *** *********. ***** ***
***** **** ******* *** ***** *** for *** **** **** *** *** into ****. * ***** *** ***** have **** *********** ***** ****.
*** **** ** ***** **** *** most ****** ***** **** *** ***, F82, ***, *** *** ***. ***** are ***** *** ****** *****. * noticed **** *** **** ******** ** these ** ********* ******** ***** **** are ***.
****/*** ** *** ****** ******* ******** that ** **** ** **** ***/*** for ***** *****. ***** ***** *** office ***** ** ***** **** *** supposed ** ****** ****** ** *** times ********** * ************* ***** *** are *** ********** ******* *** ***** lock ** ** *** ******/******** *****.
* ******* **** *** **** ******** to ***** ** ********* ******** ***** they *** ***.
*****, * ***** **** *** - the ******** ********* ****** **** *** (misuse ***) ** ********** ******* *** define ***** ******** ***** ** ********* function *****. * ******* **** ******* times ** ******* ****** - *** some ** **** *** **** ********* answers ** ********* *****! :)
***** - ***** *** ** * tricky *******.
* *** ******... ***** *** ******* manufacturers (*** ********** *** ***** ** mind) *** **** *** ****** ** the **** ********* *** *** ***** forced ***** ********** ***** ******* **** safety *** ********* *****. ********** ** include ** *** ******* *****, *** users ****** **** **** ***** **** to ********* ****** ***** ********** ** meet **** - ***** *** ***** solutions *** *****.
** *** **** ******** *****... **. There *** **** **** **** ***** a **** **** *** *** **** the **** *** **** *******. *******, the ****** ** * ******** ***** the ***** ***** ** *** ********* used (*********, *********, ******, *********) ***** have **** ** ****** ** ** across ********* ****** (**** *********** ** mortise), *** **** *** **** **** wider *********** *** **** *********** *** no ****** ********* *** *********** ******* solution *** ***** **** **** ***** (No *** ********** ********** * ********* function **** ** * ********* *****).
*** ***** ********** ** ******* ****** and ******* *******, *** *** **** new ************** *** ********* *** ***********. There *** **** ***** ****** ******** online ******* *** ************** ** ****. BHMA ******** ** ****** ********* ******* directory ** ***** *** ** ******* of *** ******* ** *** ******** on ***** **** ** ******** *** new ************ ** ********.
*** *'* ***** ** ****** **** a ******** *** ** ****, ***.
*********** *** *******.
**** *** *****