Drive rod lock

A lock assembly for doors or windows with a housing (3), a handle bush and follower (12) rotatable by a handle or knob (13) and mounted to rotate about an axis at right-angles to the door or window surface, a restoring spring (38) which so pretensions the handle bush and follower (12) into a rest position that it can be rotated in opposite directions of rotation out of the rest position, a drive unit (10) guided lengthwise of a face plate (1) on the housing (3) and serving to control at least one lock element, and a transmission linkage (28, 42) comprising clearance defining means and connecting the handle bush and follower (12) with the drive unit (10), said transmission linkage (28, 42) comprising a transmission lever (42) and serving to displace the drive unit (10), rotation of the handle bush and follower (12) in a first direction of rotation causing displacement of the drive unit (10) into a locking position, and rotation of the handle bush and follower (12) in a second direction of rotation causing displacement of the drive unit (10) into an opening position, said clearance defining means (40', 40", 46) in the transmission linkage (28, 42), after entry into the relevant drive unit position and upon release of the handle or knob (13), allowing a return of the handle bush and follower (12) through the restoring spring (38) into its rest position while leaving the drive unit (10) in whichever drive rod position has been reached, said lock assembly further comprising accommodating means for accommodating a locking unit (74), which is rotatable between a drive unit releasing angular position and a drive unit locking angular position.

A lock assembly for doors or windows with a housing (203), a driver member (212) rotatable by a handle or knob (213) and mounted to rotate about an axis at right-angles to the door or window surface, restoring spring means which so pretensions the driver member (212) into a rest position that it can be rotated in opposite directions of rotation out of the rest position, at least one lock element (254) and transmission means connecting the driver member (212) with the lock element (254), said transmission means, comprising clearance defining means and serving, to displace the lock element (254), rotation of the driver member (212) in a first direction of rotation causing displacement of the lock element (254) into a locking position and rotation of the driver member (212) in a second direction of rotation causing displacement of the lock element (254) into an opening position, said clearance defining means in the transmission means of the lock element (254), after entry into the relevant lock element position and upon release of the handle or knob (213), allowing a return of the driver member (212), through the restoring spring means, into is rest position while leaving the lock element (254) in whichever lock element position has been reached, said lock assembly further comprising accommodating means for accommodating a locking unit (274), said locking unit comprising a hub member (274), which is rotatable between a lock element releasing angular position and a lock element locking angular position about an axis substantially perpendicular to the respective door or window surface, said hub member (274) being coupled for common rotation to both a hand-operated switch member (285) provided adjacent a first side face of said housing and a key-operated lock cylinder (283) provided adjacent a second side face of said housing, said key-operated lock cylinder (283) having a rotor member (283b) with a key (283c) receiving slot, the key (283c) being withdrawable from said slot only in a zero angular position of said rotor member (283b) with respect to said lock cylinder, said rotor member (283b) being coupled to said hub member (274) by coupling means (283d, 281) permitting angular play between said rotor member (283b) and said hub member (274), said angular play corresponding at least to the angular distance between said lock element locking angular position and said lock element releasing angular position of said hub member (274).

A lock assembly for doors or windows with a housing (403), a driver member (412) rotatable by a handle or knob (413) and mounted to rotate about an axis at right-angles to the door or window surface, restoring spring means (438) which so pretensions the driver member (412) into a rest position that it can be rotated in opposite directions of rotation out of the rest position, a drive unit (410a, 410b) guided lengthwise of a face plate (401) on the housing (403) and serving to control at least one lock element (454), and transmission means, connecting the driver member (412) with the drive unit (410a, 410b), said transmission means comprising clearance defining means and, said transmission means serving to displace the drive unit (410a, 410b), rotation of the driver member (412) in a first direction of rotation causing displacement of the drive unit (410a, 410b) into a locking position and rotation of the driver member (412) in a second direction of rotation causing displacement of the drive unit (410a, 410b) into an opening position, said clearance defining means in the transmission means, after entry of the drive unit (410a, 410b) into the relevant drive unit position and upon release of the handle or knob (413), allowing a return of the driver member (412), through the restoring spring means (438), into its rest position while leaving the drive unit (410a, 410b) in whichever drive unit position has been reached, said drive unit (410a, b) having at least one control profile (410a3) extending substantially parallel to said face plate (401), said control profile (410a3) cooperating with a hub member (474) engaging said control profile (410a3), said hub member (475) being rotatably mounted in said housing (403) between a drive unit releasing angular position and a drive unit locking angular position, said control profile (410a3) and said hub member (474) being shaped such that at least one of the below-mentioned requirements is fulfilled:

• a) only in said locking position of said drive unit (401a, b), said hub member (474) is rotatable between its drive unit releasing angular position and its drive unit locking angular position;
• b) movement of said drive unit (410a, b) from its locking position towards its opening position is only possible, when said hub member (474) is in said drive unit releasing angular position and
• c) in positions of said drive unit (410a, b) remote from said locking position, a rotation of said hub member (474) from said drive unit releasing angular position towards said drive unit locking angular position is prevented.

A lock assembly for doors or windows with a housing (403), a driver member (412) rotatable by a handle or knob (413) and mounted to rotate about an axis at right-angles to the door or window surface, restoring spring means (438) which so pretensions the driver member (412) into a rest position that it can be rotated in opposite directions of rotation out of the rest position, a drive unit (410a, 410b) guided lengthwise of a face plate (401) on the housing (403) and serving to control at least one lock element (454), and transmission means, connecting the driver member (412) with the drive unit (410a, 410b), said transmission means comprising clearance defining means and transmission means serving to displace the drive unit (410a, 410b), rotation of the driver member (412) in a first direction of rotation causing displacement of the drive unit (410a, 410b) into a locking position and rotation of the driver member (412) in a second direction of rotation causing displacement of the drive unit (410a, 410b) into an opening position, said clearance defining means in the transmission means, after entry of the driver unit (410a, 410b) into the relevant drive unit position and upon release of the handle or knob (413), allowing a return of the driver member (412) through the restoring spring means (438) into its rest position while leaving the drive unit (410a, 410b) in whichever drive unit position has been reached, said drive unit (410a, b) cooperating with a closing sensor unit (431) responsive to opening and closing of said door or window, said closing sensor unit (431) permitting movement of said drive unit (410a, b) from said opening position to said locking position, only when the respective window or door is closed.

A drive rod lock for doors or windows with a housing (3), a driver member (12) rotatable by a handle or knob (13) and mounted to rotate about an axis at right-angles to the door or window surface, restoring spring means (38) which so pretensions the driver member (12) into a rest position that it can be rotated in opposite directions of rotation out of the rest position, a drive unit (10) guided lengthwise of a face plate (1) on the housing (3) and serving to control at least one lock element (54), and a transmission linkage (16, 42) comprising clearance defining means and connecting the driver member (12) to the drive unit (10), said transmission linkage (16, 42) comprising a transmission lever (42) serving, and to displace the drive unit (10), rotation of the driver member (12) in a first direction of rotation causing displacement of the drive unit (10) into a locking position and rotation of the driver member (12) in a second direction of rotation causing displacement of the drive unit (10) into an opening position, said clearance defining means (40', 40", 46) in the transmission linkage (16, 42), after entry of the drive unit (10) into the relevant drive unit position and upon release of the handle or knob (13), allowing a return of the driver member (12) through the restoring spring means (38) into its rest position while leaving the drive unit (10) in whichever drive unit position has been reached, said transmission linkage (16, 42) comprising a control element (16) guided in the vicinity of a limiting edge (3c) of the housing (3) disposed opposite the face plate (1) parallel with the drive unit (10), said control element (16) being coupled to the driver member (12), said restoring spring means (38) engaging said control element (16), said transmission lever (42) being constructed as a two-armed transmission lever (42) which is rockably mounted at a location between the drive unit (10) and the control element (16) on the housing, a first shorter lever arm (46) being, with clearance, in engagement with the control element (16), a longer lever arm (48) engaging the drive unit (10).