JPS59190850U - door lock - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

Fig. 1 is a side view showing an embodiment of the lock of the present invention with the cover removed; Fig. 2 is a perspective view of the main parts of Fig. 1;
FIG. 3 is a sectional view of the main parts showing another embodiment of the lock of the present invention;
FIG. 4 is a perspective view showing the procedure for attaching the lock of the present invention to the door plate, and FIG. 5 is a perspective view showing the procedure for attaching the conventional lock to the door plate. (Main symbols in the drawing), 1: Front, 2: Case, 3:
Upper plate, 4: Lower plate, 5: Reinforcement plate, 5a: Horizontal plate, 5b: Vertical plate, 6: Screw, 8: Long hole, 9: Teeth, 10: Tooth row, 1
3: Launch bolt, 13a: Tip, 13b: Rear end, 14
: Arm, 15: Link, 16: Male screw part, 51: Door plate, 52: End surface, L: Bag set.

Claims (1)

[Scope of utility model registration request] a front for fixing to the end face of the door; a case fixed to the back side of the front and embedded in a mortise hole formed in the end face; a rotation shaft rotatably provided in the case; A door lock comprising: a latch bolt slidably provided in the case so as to be able to protrude and retract from the front surface; and a rotational connection means for connecting the rear end of the latch bolt and the rotation shaft. The front plate and the case are connected by a reinforcing plate that is slidable on the upper and lower plates of the case and can be fixed at any position, and that stands up from the back surface of the front at a substantially right angle. A door lock characterized in that the tip and rear end of a bolt are connected via a screw.