# US 2014/0191516 A1 · Side mounted privacy lock for a residential door > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0191516 A1 - Document ID: US20140191516A1 - Status: Published application - Kind: A1 - Application number: 13/738,547 - Filed: 2013-01-10 - Published: 2014-07-10 - Earliest claimed: 2013-01-10 - Assignees: Schlage Lock Company LLC - Applicants: Schlage Lock Company LLC - Inventors: Rohith Badhya; Sajil J. Mathachan; Mohammed M. Ali; Nimbennappa Gani; Mayur Anandache - Web page: https://patentgrep.com/patent/US20140191516A1 ## CPC - E05B 13/004: {by locking the spindle, follower, or the like} - E05B 55/005: {Cylindrical or tubular locks} - E05B 37/163: {the knobs being pushed in a prescribed sequence} - E05C 1/163: {Cylindrical or tubular latches} - Y10T 292/1022: Rigid - E05B: LOCKS; ACCESSORIES THEREFOR; HANDCUFFS - E05C: BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS (latching means for sideboard or tailgate structures for vehicles B62D, {B62D33/02}; fastening devices for constructional or engineering elements E04, F16B; locks, fastening devices structurally or operatively combined or having significant cooperation with locks E05B; means for operating or controlling wing fasteners in conjunction with mechanisms for moving the wing E05F) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A door lock includes a latch assembly positioned at least partially within the door and movable between an engaged position in which the door is held in a closed position and a disengaged position in which the door is movable from a closed position to an open position. An outside spindle is rotatable about an axis and an inside spindle is rotatable about the axis to move the latch assembly between the engaged position and the disengaged position. A locking plate is movable along the axis between a locked position in which the outside spindle is fixed and an unlocked position in which the outside spindle and the inside spindle are each rotatable and a privacy lock actuator positioned on the inside of the door and movable in a direction substantially normal to the axis to move the locking plate between the locked position and the unlocked position. ## Claims ### Claim 1 A door lock for a door that separates an inside from an outside and that includes a privacy function, the door lock comprising: a latch assembly positioned at least partially within the door and movable between an engaged position in which the door is held in a closed position and a disengaged position in which the door is movable from the closed position to an open position; an inside housing fixedly coupled to an inside surface of the door; an outside housing fixedly coupled to an outside surface of the door; an outside actuator rotatable about an axis to selectively move the latch assembly between the engaged position and the disengaged position; an inside actuator rotatable about the axis to selectively move the latch assembly be the engaged position and the disengaged position; a privacy selector extending from the inside housing and movable in a direction normal to the axis between an open position in which the outside actuator is rotatable to actuate the latch assembly and a privacy position in which the outside actuator is fixed with respect to the outside housing and cannot actuate the latch assembly. ### Claim 2 (depends on 1) The door lock of claim 1, further comprising a plunger bar that extends from the inside housing to the outside housing along the axis, and wherein rotation of the plunger bar about the axis from a first position to a second position inhibits movement of the outside actuator. ### Claim 3 (depends on 2) The door lock of claim 2, wherein the privacy selector includes a privacy lock actuator and a linkage interconnecting the privacy lock actuator and the plunger bar, the privacy lock actuator movable in a direction normal to the axis. ### Claim 4 (depends on 3) The door lock of claim 3, wherein the linkage is arranged to convert linear motion of the privacy lock actuator into rotary motion of the plunger bar. ### Claim 5 (depends on 3) The door lock of claim 3, wherein the linkage includes a locking link rotatably coupled to the plunger bar, a rocker link connected to the privacy lock actuator, and a connecting link coupled to the rocker link and the locking link. ### Claim 6 (depends on 5) The door lock of claim 5, wherein the rocker link includes a first end pivotally connected to the inside housing and a second end connected to the connecting link, wherein the rocker link is pivotable about a pivot axis that is substantially parallel to the axis. ### Claim 7 (depends on 6) The door lock of claim 6, further comprising a biasing member coupled to the inside housing and the rocker link to bias the rocker link toward the open position. ### Claim 8 (depends on 3) The door lock of claim 3, wherein the linkage includes a locking link rotatably coupled to the plunger bar and a first sector gear connected to the locking link and the privacy lock actuator. ### Claim 9 (depends on 8) The door lock of claim 8, wherein the locking link includes a second sector gear in a meshed relationship with the first sector gear. ### Claim 10 (depends on 1) The door lock of claim 1, further comprising an outside release mechanism coupled to the outside housing and movable in a direction substantially normal to the axis to move the privacy selector from the privacy position to the open position from outside of the door. ### Claim 11 A door lock for a door that separates an inside from an outside and that includes a privacy function, the door lock comprising: a latch assembly positioned at least partially within the door and movable between an engaged position in which the door is held in a closed position and a disengaged position in which the door is movable from a closed position to an open position; an outside spindle rotatable about an axis; an inside spindle rotatable about the axis to move the latch assembly between the engaged position and the disengaged position; a locking plate movable along the axis between a locked position in which the outside spindle is fixed with respect to the axis and an unlocked position in which the outside spindle and the inside spindle are each rotatable about the axis to move the latch assembly; and a privacy lock actuator positioned on the inside of the door and movable in a direction substantially normal to the axis to move the locking plate between the locked position and the unlocked position. ### Claim 12 (depends on 11) The door lock of claim 11, further comprising a plunger bar that extends from the inside housing to the outside housing along the axis, and wherein rotation of the plunger bar about the axis moves the locking plate from the unlocked position to the locked position. ### Claim 13 (depends on 12) The door lock of claim 12, further comprising a linkage interconnecting the privacy lock actuator and the plunger bar, wherein the linkage is arranged to convert linear motion of the privacy lock actuator into rotary motion of the plunger bar. ### Claim 14 (depends on 13) The door lock of claim 13, wherein the linkage includes a locking link rotatably coupled to the plunger bar, a rocker link connected to the privacy lock actuator, and a connecting link coupled to the rocker link and the locking link. ### Claim 15 (depends on 14) The door lock of claim 14, wherein the rocker link includes a first end connected to the inside housing and a second end connected to the connecting link, wherein the rocker link is pivotable about a pivot axis that is substantially parallel to the axis. ### Claim 16 (depends on 15) The door lock of claim 15, further comprising a biasing member coupled to the inside housing and the rocker link to bias the rocker link toward the open position. ### Claim 17 (depends on 13) The door lock of claim 13, wherein the linkage includes a locking link rotatably coupled to the plunger bar and a first sector gear connected to the locking link and the privacy lock actuator. ### Claim 18 (depends on 17) The door lock of claim 17, wherein the locking link includes a second sector gear in a meshed relationship with the first sector gear. ### Claim 19 (depends on 11) The door lock of claim 11, further comprising an outside release mechanism coupled to the outside housing and movable in a direction substantially normal to the axis to move the privacy selector from the privacy position to the open position from outside of the door. ### Claim 20 A door lock for a door that separates an inside from an outside and that includes a privacy function, the door lock comprising: a latch assembly positioned at least partially within the door and movable between an engaged position in which the door is held in a closed position and a disengaged position in which the door is movable from a closed position to an open position; an inside housing fixedly coupled to an inside surface of the door; an outside housing fixedly coupled to an outside surface of the door; a privacy locking mechanism disposed substantially within the outside housing such that a substantial portion of the privacy locking mechanism is disposed nearer to the outside surface of the door than to the inside surface of the door, the privacy locking mechanism operable in an open position to allow operation of the latch assembly from inside and outside of the door and a privacy position in which operation of the latch assembly from outside of the door is inhibited; a privacy selector extending from the inside housing and movable in a direction substantially parallel to the inside surface of the door to move the privacy locking mechanism between the open position and the privacy position. ### Claim 21 A method of converting a privacy lock for a door to a passage lock, the method comprising: connecting a lock housing to the door; providing a latch assembly positioned at least partially within the door and movable between an engaged position in which the door is held in a closed position and a disengaged position in which the door is movable from a closed position to an open position; positioning a privacy locking mechanism substantially within the lock housing, the privacy locking mechanism operable in an open position to allow operation of the latch assembly from inside and outside of the door and a privacy position in which operation of the latch assembly from outside of the door is inhibited; connecting a privacy selector to the privacy locking mechanism, the privacy selector including a selector interface disposed substantially outside of the lock housing and movable to move the privacy locking mechanism to one of the privacy position and the open position; and removing the selector interface from the privacy selector to prevent a user from moving the privacy locking mechanism from the open position to the privacy position.