Beauty tool head locking mechanism

Abstract

A handheld beauty tool includes a handle, a coupling on the handle, and a head connectable with the coupling. In an embodiment the handheld beauty tool can include an actuator movable with respect to the coupling. In another embodiment, the handheld beauty tool can include a biasing member cooperating with the coupling and the head. In the embodiment including the actuator, the biasing member may or may not be included. Also, in the embodiment including the biasing member, the actuator may or may not be included.

1 . A handheld beauty tool comprising:
 a handle;   a coupling on the handle;   a head connectable with the coupling via a bayonet connection in which the head rotates with respect to the coupling about a rotational axis toward a locked position; and   an actuator movable with respect to the coupling between an engaged position in which rotation of the head with respect to the coupling from the locked position toward an unlocked position is inhibited and a disengaged position in which movement of the head with respect to the coupling from the locked position toward the unlocked position is uninhibited, the actuator being movable into the engaged position when the head is in the locked position.   
     
     
         2 . The handheld beauty tool of  claim 1 , wherein the bayonet connection includes a lug receivable in a lug recess, and when in the engaged position the actuator engages the head angularly offset from the lug with respect to the rotational axis. 
     
     
         3 . The handheld beauty tool of  claim 2 , wherein the lug is provided on the coupling and the lug recess is provided on the head. 
     
     
         4 . The handheld beauty tool of  claim 2 , wherein the lug includes a proximal lug surface with respect to the handle and the lug recess is defined at least partially by a proximal lug recess surface both oriented transverse to the rotational axis, wherein the proximal lug surface cooperates with the proximal lug recess surface to move the head toward the handle as the head rotates with respect to the coupling about the rotational axis toward the locked position. 
     
     
         5 . The handheld beauty tool of  claim 1 , further comprising a biasing member cooperating with the coupling and the head to bias the head in a direction parallel with the rotational axis away from the handle when the head is in the locked position. 
     
     
         6 . The handheld beauty tool of  claim 5 , further comprising an assembly including the biasing member and a frame to which the biasing member is attached. 
     
     
         7 . The handheld beauty tool of  claim 6 , wherein the assembly is penannular in shape and concentric with the rotational axis so as to define a gap between opposite circumferential ends of the assembly. 
     
     
         8 . The handheld beauty tool of  claim 7 , wherein the actuator is movable in a linear direction parallel with the rotational axis through the gap. 
     
     
         9 . The handheld beauty tool of  claim 1 , wherein the actuator includes a tooth and the head includes a tooth recess, wherein the tooth is received in the tooth recess when the actuator is in the engaged position. 
     
     
         10 . The handheld beauty tool of  claim 9 , wherein the actuator includes a base and a projection, the tooth extending from the base toward the head and the projection extending in a perpendicular direction from the tooth and/or the base, and the head includes a notch that receives the projection with the actuator is in the engaged position. 
     
     
         11 . A handheld beauty tool comprising:
 a handle;   a coupling on the handle;   a head connectable with the coupling via a connection in which the head rotates about and translates along a rotational axis with respect to the coupling toward a locked position; and   a biasing member cooperating with the coupling and the head to bias the head in a direction parallel with the rotational axis away from the handle when the head is in the locked position.   
     
     
         12 . The handheld beauty tool of  claim 11 , further comprising an assembly including the biasing member and a frame to which the biasing member is attached. 
     
     
         13 . The handheld beauty tool of  claim 12 , wherein the assembly is penannular in shape and concentric with the rotational axis so as to define a gap between opposite circumferential ends of the assembly. 
     
     
         14 . The handheld beauty tool of  claim 13 , further comprising an actuator movable in a linear direction parallel with the rotational axis through the gap. 
     
     
         15 . The handheld beauty tool of  claim 14 , wherein the actuator includes a tooth and the head includes a tooth recess, wherein the tooth is received in the tooth recess when the actuator is in an engaged position in which rotation of the head with respect to the coupling from the locked position toward an unlocked position is inhibited. 
     
     
         16 . The handheld beauty tool of  claim 15 , wherein the actuator includes a base and a projection, the tooth extending from the base toward the head and the projection extending in a perpendicular direction from the tooth and/or the base, and the head includes a notch that receives the projection with the actuator is in the engaged position. 
     
     
         17 . The handheld beauty tool of  claim 11 , further comprising an actuator movable in a linear direction parallel with the rotational axis, wherein the actuator is precluded from moving into an engaged position in which rotation of the head with respect to the coupling from the locked position toward an unlocked position is inhibited when the head is in the unlocked position. 
     
     
         18 . The handheld beauty tool of  claim 17 , further comprising a spring biasing the actuator toward the engaged position. 
     
     
         19 . The handheld beauty tool of  claim 11 , wherein the connection is a bayonet connection including a lug receivable in a lug recess. 
     
     
         20 . The handheld beauty tool of  claim 19 , wherein the lug includes a proximal lug surface with respect to the handle and the lug recess is defined at least partially by a proximal lug recess surface both oriented transverse to the rotational axis, wherein the proximal lug surface cooperates with the proximal lug recess surface to move the head toward the handle as the head rotates with respect to the coupling about the rotational axis toward the locked position.