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How to Adjust a Door Knob. The existing latch should give you a good idea of which one to use. Reverse the direction to return to the 2-3/8 in. Determine if the latch needs to be adjusted to the 2-3/4 in. As the cam is moved, the pivot lever will be engaged which will force the pin downward allowing the bolt extension to move longitudinally relative to the bolt as the cam is moved longitudinally. (Make sure the cross is on the bottom of the latch.) Adjustable Backset. In addition to 2-3/8” (60 mm) or 2-3/4” (70 mm) adjustable backset, you may change the latch faceplate to square faceplate, radius faceplate or drive-in collar. (At this point you are servicing the lock, and may decide to call a professional locksmith to assist you). Latch Adjustment (only if needed) Adjust the backset of latch (if needed) 1-3/8" — 1-3/4" 35 mm — 44 mm 1" 25 mm 2-1/8" 54 mm Check dimensions 2-3/8" (60 mm) or 2-3/4" (70 mm) See note below* *If you are installing this lever below an existing lock or you plan to install a lock above this lever, make sure that the distance between holes is at least 6-1/2" (165 mm). Latch helical backset adjustment . What is the backset on a Night Latch? Hold latch tail and rotate faceplate clockwise. A doorknob is a mechanical device that converts the rotation of a knob to sideways motion. To adjust, rotate the latch until it stops. Template NOTE: TEMPLATE MUST BE PLACED ON HIGH EDGE OF DOOR BEVEL MARK DRILL 2-1/8" (54mm) HOLE FOLD HERE 1-3/4" (45mm) THICK DOOR 1-3/8" (35mm) THICK DOOR MARK PROPER … ASSEMBLE LATCH Make sure the backset of your latch is the same as backset of your door. Rear Latch Housing Backset 2-3/8" or 2-3/4" (60mm - 70mm) To adjust backset from 2-3/8" to 2-3/4" To adjust backset from 2-3/4" to 2-3/8" Twist rear latch housing. Asked by: Bonnie Suydam - 10/9/2015. Latches come as ‘drive in’ (as shown above) or ‘mortised’ (as shown below). The backset is the distance from the edge of the door to the center of the 2-1/8-inch bore hole. The invention also includes improved deadlatching and bolt retraction systems. A latch assembly for mounting in a bore extending in from a side edge of a door has a backset adjustment for different distances between rotational axis of a handle or keylock and the side edge of the door. For example: Fluid movement of the latch when the door is open. Note the differences or similarities in resistance. (60 mm) backset. Mortised latches come in a radius corner (rounded on the edges) or a squared corner configuration. C - The Case Height. Doors have two common backsets, 2 3/8 and 2 3/4. This is the time to take note of the door lock’s latch setting. Adjustable Tubular Latch 2 3/8 Backset to 2 3/4 Inch Backset - solid brass latch adjusts to any backset from 2 3/8 inch to a 2 3/4 inch. The backset. For Drive-In Latch If backset of door measures 2 3/4" (70mm), adjust latch shown by grasping the spring pin and moving it to the 2-3/4” slot. The most common backset is 2 3/8″ but 2 3/4" is also quite common - usually used on exterior doors. In the United States, there are two common backsets for residential door locks: 2 3/8 inches and 2 3/4 inches. To adjust the latch assembly to a 23/4" backset, the cover is shifted rearwardly to its other extreme position (FIG. Standard backsets are either a 2 3/8" backset, or 2 3/4″ backset. 2) Catch the open slot on the rear of the extension piece (F) on the notch (G) inside the latch. The backset (62mm in this case) is the distance from the front plate on the case to the centre of the square hole for the spindle (when fitted to a door, this equates to the distance from the front edge of the door to the centre of the spindle hole). To measure the overall length of the latch case see diagram below. Snap together front and back plate. This valve only affects the door when it is in the last moments of closing (10-20 degrees typically). By virtue of the simplicity of the design of the backset-adjustment subsystem, the user can change the backset from 2⅜″ to 2¾″, and vice-versa with one hand. A. See if it is in the “short” setting (2 3/8) or the “long” setting (2 3/4). Thank You. Comes with two mounting screws. The backset on a night latch is the distance from the centre of the keyhole to the edge of your door, you will find most night latches will have a 60mm backset. In the United States, doors are commonly available in two backsets, 23/8" and 23/4". Reverse from 23/4" to 2%" 1) Push the latch in and hold it. Whilst there is no keyhole to consider on a mortice latch, you still need to consider the backset of the follower for the handles or knobs you have on the door. Our cam bit is star broached so that the square shaft can be inserted either on the square or diamond. With a door latch stuck closed and cannot be shimmed because of latch guards or because the components are frozen, you will need to simply take the lock off the door. The latch assembly has a backset adjustment, the backset being the distance from the side edge of the door to a rotational axis of the handles or a keylock. Please read our best rim cylinder guide here we also tell you what rim cylinders are and how much a replacement will cost. The latch system enables the user to quickly change a backset by the usual backset increment of ⅜″ by simply moving a pin through a “U”-shaped slot in a housing member without having to rotate any of the components of the backset latch system. Once notch is in groove, push latch faceplate towards latch tail. An adjustable-backset latch system for a lockset includes three main subsystems: a bolt retraction system, a backset-adjustment system and a deadlatching system. Does anyone on here know the throw length? A backset adjusting device of a cylindrical door lock. be sure to adjust for silencers if used. United States Patent 4664433 . Door handle latch sizes are usually advertised with their overall length, i.e the case. Install with 1/2" (3 mm) screws. These ‘options don’t affect the length of the latch, just how the door is drilled on the side. Cylinder Exterior Handle Interior Knob Upper Deadbolt Lower Latch Upper Strike Plate Lower Strike Plate 2x M5x70mm Machine Screw 2x M4x31.7mm Machine Screw 1x M4x20mm Machine Screw 8x M4x18mm Wood Screw Thumbturn Latch Tail Notch Latch Faceplate Backset 2-3/8" or 2-3/4" (60mm - 70mm) To adjust backset … Sometimes it's easier to measure from the edge of the door to the highest point on the bore hole. It will only fit a door prepped for 5" backset. 3. What Is a Backset on a Doorknob?. This is a passage latch set for any doorknobs with a square shaft that is 1/4" to 9/32" square (threaded or not), Knob strength latch. The latch is now ready for installation. The distance from the edge of a door to the center of rotation of the door knob or lever is called the "backset". L-DK6SBLock Reproduction Passage Latch 1 3/8" Backset in Antique Brass. To avoid chafing or having to drill new holes in your door, make sure you measure accurately the distance from the front face of the latch, to the centre of the square hole for the spindle. Hi Huxley1, The case is the body of the lock and the 83mm stated is its length, excluding the sprung latch part. Secondly, see below also to find out how to measure the latch backset size- This is basically where the spindle of the door handle will sit. Pull latch tail. Pin (2) (1) Spindle The set screws are pre-installed. Brass Finish. The operation type: • Lever Lever Inside and outside handles work together (Blue on white label) ... To change the hand of the latch bolt if required: • Untighten the latch retaining screw which is found at the rear of the gearbox. On the Schlage latch you just twist the end of the latch. This, in turn, retracts a bolt so the door will open. Backset is distance from door edge to center of hole on door face. LATCH ADJUSTMENT ELECTRONIC DEADBOLT Installation Guide Insert the latch into the door. Use 2 wood screws to secure latch. BACKGROUND OF THE INVENTION. (70 mm) backset. (The backset is the measurement from the edge of the door to the center of the pre-drilled hole.) Slide housing back to click into groove. I know how long the backset needs to be- 2 3/8 I’m needing a longer deadlatch throw. This latch is not adjustable. The new latch needs to be set to the correct one. 5). 3. The door is completely sealed so I don’t want/need to adjust it, and had a throw that was long enough before. This device free adjusts the backset of the door lock between the 60 mm backset and the 70 mm backset and lets the door lock be commonly used in the conventional doors regardless of the door types. backset cl 7/16 7/16 frame preparation strike post door frame stop 7/16 interior face of door 3/4 hole * measured from the interior door surface. You just adjust the end of the latch to the longer setting. When it is desired to change the backset of the latch the cam is moved from one recess to the other. I just needed to update the look of the knob. Make sure the slant of latch bolt faces in the direction that the door closes. Select Proper Backset Latch Tail Notch Latch Faceplate Backset 2-3/8" or 2-3/4" (60mm - 70mm) To adjust backset from 2-3/8" to 2-3/4" To adjust backset from 2-3/4" to 2-3/8" Retract latchbolt. When using the 2¾" (70mm) backset, lockset screw sterns are inserted through hole (C) and (D) on the latch. Doorknobs can get loose and wobbly over time, requiring you to adjust them to make them tight again. • The latch can now be pulled past the faceplate, turned 180 degrees and released. Rotate latch faceplate counter clockwise and check that notch is at 2-3/8" mark. Latch Adjustment (only if needed) Adjust the backset of latch (if needed) 1-3/8" — 1-3/4" 35 mm — 44 mm 1" 25 mm 2-1/8" 54 mm Check dimensions 2-3/8" (60 mm) or 2-3/4" (70 mm) See note below* *If you are installing this lever below an existing lock or you plan to install a lock above this lever, make sure that the distance between holes is at least 6-1/2" (165 mm). The bolt has a concentric aperture into which a bolt adjuster slidably mates with a close tolerance to prevent lateral movement between the bolt and the bolt adjuster. Select Proper Backset Backset 2-3/8" or 2-3/4" (60mm - 70mm) To adjust backset from 2-3/8" to 2-3/4" To adjust backset from 2-3/4" to 2-3/8" Push latch tail. Adjustable Latch Most Weiser products come standard with an adjustable latch, allowing the hardware to be used on doors prepared with either a 2-3/8" backset or a 2-3/4" backset. Pack your locks with a 2-3/8-inch or 2-3/4-inch latch, depending on which backset you specify. To adjust backset of latch from 2-3/4" to 2-3/8" Push latch tail. Abstract: The door latch construction is of the usual type wherein a bolt is reciprocal in a casing between extended and projecting positions with latch operating means forwardly operably connected to the bolt for causing such motion. Answer provided by: Jake (7/27/2015) (Submit an answer) Can the Schlage adjustable backset latch extend to 5 3/4 inches? A latch bolt extension slide coupled to a latch bolt has an axial guide slot. Pull latch tail. What is the Best Rim Cylinder for a NightLatch? Viele übersetzte Beispielsätze mit "latch backset" – Deutsch-Englisch Wörterbuch und Suchmaschine für Millionen von Deutsch-Übersetzungen. Sometimes, though, a door may not latch properly when it closes, so the latch speed can be adjusted to be a little quicker, ensuring a proper latch close. 3. It will only fit a door prepped for 5 '' backset, or 3/4″! The case latch the cam is moved from one recess to the highest point the... 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