guard lock

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guard lock

[′gärd ‚läk]

(civil engineering)

entrance lock

(engineering)

An auxiliary lock that must be opened before the key can be turned in a main lock.

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References in periodicals archive ?

The G9SX-SM monitors the motor's movement by its back electromotive force (BEMF), and outputs a signal to unlock the Guard Lock Safety Door Switch as soon as it determines that the motor has stopped moving.

OMRON Releases G9SX-SM and G9SX-LM Machine Safeguarding Units

Carefully reduce the height of these surfaces until the trigger guard locks with firm hand pressure.

The M1 Garand: maintenance & repair: Part 3: restocking your rifle will gain you accuracy and style points

In prison the guard locks and unlocks all the doors for you, but at work you must often carry a security card and open all the doors for yourself.

Behind bars

CLOSING: A security guard locks the factory gates, right; and above, the BPI factory in Stockton Picture by IAN COOPER

Talks at factory; Unions look for deal as closure announced

INVITES ONLY: A security guard locks the gates of Stormont.

DON'T GIVE THEM A PARTY: CRACKERS; MLAs set for Stormont booze-up.. and we pay

The clear safety guard locks temporarily, protecting healthcare workers while transporting the syringe to the patient location.

Specialty-sized Safety Needles. (Editor's Choice)

A security guard locks up for the last time at the Dome last night

Standing ovation at end of the show; Dome done: Doors close on controversial attraction

The range includes key switch interlocks, key exchange units, access guard locks, timer delay units and solenoid control devices.

Total Lockout (Safety)

It has duel trigger guard locks to help deter gun grabs, yet it allows for rapid draw.

Model K320 Holster

Limited Tenders are invited for 1)Safety Switches With Guard Locking And Guard Lock Monitoring.

1)safety switches with guard locking and guard lock monitoring.Detailed specification as per annexure-i to pi 830661010. qty: 10 no

The Insta Guard locks are rubber lined to protect the firearms.

Security & storage products

The inspection work includes, but is not limited to the following structures; locks, dams, guard gates, guard locks, retaining walls, culverts and spillways.