Safety mechanism for bezel of luggage with retractable handle

Information

  • Patent Grant
  • 6450308
  • Patent Number
    6,450,308
  • Date Filed
    Wednesday, July 18, 2001
    22 years ago
  • Date Issued
    Tuesday, September 17, 2002
    21 years ago
Abstract
A safety mechanism for bezel of luggage with retractable handle is disclosed. Safety device is implemented as a vertically movable F-shaped mechanism in the bezel. F-shaped mechanism is moved down into bezel as handle grip is pressed down until handle grip is locked by a locking device. Further, F-shaped mechanism is automatically returned to a predetermined position when the hand of user is off the F-shaped mechanism. The locking device of handle is deactivated when F-shaped mechanism is pressed down to a predetermined position while retracting the handle. And in turn, handle is automatically bounced up a predetermined sufficient height for facilitating user to pull the handle thereafter. Most importantly, user is prevented from being hurt while retracting the handle.
Description




BACKGROUND OF THE INVENTION




1. Field of the Invention




The present invention relates to luggage and more particularly to a safety mechanism for bezel of luggage with retractable handle for preventing user from being hurt while retracting the handle.




2. Description of Related Art




Wheeled luggage have become more popular among travelers. Conventionally, such wheeled luggage is equipped with a retractable handle which is anchored at a bezel located at the edge on the top of luggage as shown in FIG.


1


. Handle T is supported in bezel B. bezel B comprises a concave member B


1


for receiving handle grip H. Concave member B


1


consists of a top plate U, a vertical plate V, and a seat plate L. When user wants to retract handle grip H onto concave member B


1


in a storage or non use condition, simply presses handle grip H and handle T down with fingers for receiving handle grip H onto concave member B


1


. As shown, the back of the fingers (thumb not included) tends to rub with the sharp corner C at the intersection of top plate U and vertical plate V. In a worse condition, the hand of user may be hurt if enough care is not taken.




Taiwanese Patent Published No. 387,218 entitled “Collision Free Arrangement for Retractable Handle of Luggage” disclosed a pad on the back of bezel for providing a cushion while retracting the handle. But such pad is an independent device for only having a single functionality. As such, no further improvement on the operation of luggage has been suggested therein.




SUMMARY OF THE INVENTION




It is thus an object of the present invention to provide a safety mechanism for bezel of luggage with retractable handle. Safety device is moved down into bezel as handle grip is pressed down until handle grip is locked by locking device of bezel. Further, safety device is automatically returned to a predetermined position when hand is off the safety device. Locking device of handle is deactivated when safety device is pressed down to a predetermined position while retracting the handle. And in turn, handle is automatically bounced up a predetermined sufficient height for facilitating user to pull the handle thereafter.




To achieve the above and other objects, the present invention provides a safety mechanism of luggage with a retractable handle assembly including a handle grip, a pair of sliding tubes having an upper hole, and a bezel having a concave member having a tunnel on either side for permitting each sliding tube to slide therein, a vertical plate, a seat plate, and a top plate, the safety mechanism comprising: an elongate transverse groove between the vertical plate and the top plate; an elongate recessed engagement mechanism abutted on the sides, the bottom, and the rear of the transverse groove, the engagement mechanism including a bottom portion, a vertical portion, two spaced posts on the bottom portion, two first spring put on the posts a guide in the front of the posts, and an elongate vertical recess at either side of the vertical portion of the engagement mechanism wherein in a fully retracted position of the handle, the first springs are urged against and to push the F-shaped mechanism upward to engage with the underside of top plate of the bezel; a locking device at either side of the engagement mechanism including a socket at either side of the bottom portion of the engagement mechanism, the socket including a bottom opening, a top opening, and a front opening; an F-shaped mechanism being vertically movable in the engagement mechanism the F-shaped mechanism including an upper horizontal portion, a vertical portion, an extension on either side, a flange on the top of the extension, a central divider below the horizontal portion, a recessed portion at either side of the central divider such that the posts are capable of passing through recessed portions when the F-shaped mechanism is moving vertically, and the bottom of the vertical portion of the F-shaped mechanism is capable of moving into the guide through the transverse groove; two spaced tube members with notched circumferential surface at the underside of the top plate of the bezel; two spaced slots at the vertical portion of the engagement mechanism such that the engagement mechanism is capable of being secured to the top plate of the bezel by driving fasteners through the tube members and the spaced slots; a flexible latched member in either underside of the seat plate of the bezel being clung to the bottom opening of the socket such that the F-shaped mechanism is capable of moving vertically with the flanges on the top of the extension being slidably received in the recesses; a wedge at the underside of either extension of the F-shaped mechanism, the wedge including a front planar portion and a rear slanted surface; a locking block in the socket, the locking block including a recessed slanted surface, a spring loaded rear peg, and a front stud; and a bouncing device at the lower part of each sliding tube, the bouncing device including an upper frame member, a lower abutment member held by the upper frame member, a sliding block having a catch within the lower abutment member, and a second spring anchored in the lower abutment member; whereby pull the handle grip to activate the bouncing device to push each sliding tube upward to cause the handle grip to bounce a predetermined distance above the top plate of the bezel; and press down the handle grip to cause the F-shaped mechanism to move down simultaneously thus forming a space in the bezel by the downward moved the F-shaped mechanism.











The above and other objects, features and advantages of the present invention will become apparent from the following detailed description taken with the accompanying drawings.




BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is a cross-sectional view of bezel of a conventional luggage with retractable handle;





FIG. 2

is a perspective view of a luggage with retractable handle incorporating a safety mechanism for bezel according to the invention;





FIG. 3

is an exploded view of the safety device and a portion of associated bezel and handle;





FIG. 4A

is a cross-sectional view of the safety device showing the operation of a partially retracted handle;





FIG. 4B

is another cross-sectional view of the safety device showing the operation of the partially retracted handle shown in

FIG. 4A

;





FIG. 5A

is a cross-sectional view of the safety device showing the operation of a fully retracted handle;





FIG. 5B

is another cross-sectional view of the safety device showing the operation of the fully retracted handle shown in

FIG. 5A

;





FIG. 5C

is an exploded view of

FIG. 5A

device;





FIG. 6A

is a cross-sectional view of the safety device showing the operation of a partially pulled handle; and





FIG. 6B

is another cross-sectional view of the safety device showing the operation of the partially pulled handle shown in FIG.


6


A.











DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS




Referring to

FIGS. 2

to


6


B, a safety mechanism is mounted on a bezel


10


of luggage. The configuration of the safety mechanism is detailed below. A handle


21


having a handle grip


20


is anchored at bezel


10


. A bouncing device


30


is provided at the lower part of handle


21


. Bezel


10


comprises a concave member


11


including a tunnel


12


on either side for permitting sliding tube of handle


21


to slide therein, a vertical plate


13


, a seat plate


14


, and top plate


15


. An elongate transverse groove


16


A is provided between vertical plate


13


and top plate


15


. An elongate recessed engagement mechanism


16


is provided abutted on the sides, the bottom, and the rear of groove


16


A. An F-shaped mechanism


17


is provided being vertically movable in the engagement mechanism


16


. A locking device


167


is at both sides of engagement mechanism


16


for controlling the activation of bouncing device


30


. Engagement mechanism


16


comprises a bottom portion


161


and a vertical portion


162


. Two spaced posts


163


are provided on bottom portion


161


. A spring


164


is put on post


163


. A guide


166


is provided in the front of posts


163


. An elongate vertical recess


165


is provided at side wall


162


A of vertical portion


162


.




F-shaped mechanism


17


comprises an upper horizontal portion


171


, a vertical portion


172


, and an extension


176


extending outwards from two sides of the F-shaped mechanism


17


. Upper horizontal portion


171


and vertical portion


172


are formed of soft material, while extension


176


is formed of hard material. Also, the extension


176


of the F-shaped mechanism may be formed integrally with the F-shaped mechanism


17


. A central divider


174


is formed below horizontal portion


171


. A recessed portion


175


is formed at either side of central divider


174


such that posts


163


may pass through when F-shaped mechanism


17


is moving vertically. Generally speaking, the width of upper horizontal portion


171


is about the same as that of groove


16


A and bottom portion


161


of engagement mechanism


16


, while the length of vertical portion


172


is slightly larger than the height of vertical portion


162


. As such, the bottom of vertical portion


172


of F-shaped mechanism


17


may move into guide


166


through gap


166


A in groove


16


A. Two spaced tube members


151


with notched circumferential surface are formed at the underside of top plate


15


of bezel


10


. Two spaced slots


1622


are formed at vertical portion


162


of engagement mechanism


16


. As such, engagement mechanism


16


may be secured to top plate


15


of bezel


10


by driving screws


152


through tube members


151


. Flexible latched member


142


at projection


141


in either underside of seat plate


14


of bezel


10


is clung to opening


1673


at the bottom of socket


1671


at either side of bottom portion


161


. As such, F-shaped mechanism


17


may move vertically with flanges


177


on the top of extension


176


being slidably received in recesses


165


. In a fully retracted position of handle


21


as shown in

FIGS. 5A and 5B

, springs


164


are urged against F-shaped mechanism


17


to push F-shaped mechanism


17


upward to cause flanges


177


to engage with the underside of top plate


15


of bezel


10


. As a result, the top of horizontal portion


171


of F-shaped mechanism


17


is flush with the top plate


15


of bezel


10


. It is designed that F-shaped mechanism


17


is moved down as user presses down handle grip


20


. As such, the fingers of the user are prevented from being hurt while retracting the handle


21


because horizontal portion


171


of F-shaped mechanism


17


is moved down immediately after fingers touch it. The operation of pressing down F-shaped mechanism


17


by hand is best illustrated in FIG.


4


A.




A wedge


178


is provided at the underside of either extension


176


of F-shaped mechanism


17


for activating the locking mechanism. Wedge


178


comprises a front planar portion


1781


and a rear slanted surface


1782


. Locking device


167


comprises a socket


1671


having a top opening


1672


for permitting the slanted surface


1782


of wedge


178


to insert through. The front of socket


1671


is an opening


1674


. A spring


1675


and a locking block


1677


are disposed in socket


1671


. Locking block


1677


comprises a recessed slanted surface


1678


, a rear peg


1675


A with spring


1675


put on, and a front stud


1679


.




As shown in

FIGS. 4A and 4B

, the safety device not only has the functionality of preventing user from being hurt while retracting the handle


21


, but also the F-shaped mechanism


17


supported by springs


164


has the functionality of unlocking the handle


21


. In detail, slanted surface


1782


of wedge


178


is disengaged from the top opening


1672


(i.e., above socket


1671


) in an unlocked position. In this position, flanges


177


of F-shaped mechanism


17


are free to slide along recesses


165


. It is seen that the bottom of wedge


178


is above the recessed slanted surface


1678


of locking block


1677


by a predetermined safe distance. Thus, locking device


167


is free from error during the retracting operation.




Bouncing device


30


is a further safety mechanism of the invention. Bouncing device


30


comprises an upper frame member


31


, a lower abutment member


32


held by upper frame member


31


, a sliding block


33


having a catch


331


within the lower abutment member


32


, and a spring


34


anchored in the lower abutment member


32


.




In a fully retracted position of handle


21


, the bottom of each sliding tube of handle


21


is engaged with catch


331


of sliding block


33


(see FIGS.


4


and


5


). Also, stud


1679


of locking device


167


is elastically biased to move into hole


210


at the upper portion of sliding tube of handle


21


, thus preventing handle


21


from further moving (see FIG.


5


A). Once F-shaped mechanism


17


moves down to its maximum limit as shown in

FIGS. 6A and 6B

, slanted surface


1782


of wedge


178


is engaged with recessed slanted surface


1678


of locking block


1677


, thus slanted surface


1782


is retracted inward.




In the pulling operation of handle


21


, bouncing device


30


is activated to push the sliding tube of handle


21


upward to cause handle grip


20


to bounce a small while sufficient distance above the top plate


15


of bezel


10


such that user may put fingers into the gap formed between handle grip


20


and bezel


10


for pulling handle


21


upward to its maximum height thereafter so as to tow luggage along a supporting ground as best illustrated in FIG.


2


.




In the retracting operation of handle


21


, simply press down handle grip


20


. As fingers of user touch top plate


15


of bezel


10


, as stated above F-shaped mechanism


17


being soft and guided by a mechanism consisting of posts


163


, springs


164


, recessed portions


175


, recesses


165


, guide


166


, gap


166


A, and flanges


177


, F-shaped mechanism


17


is moved down to retract into bezel


10


. This can prevent user from being hurt while retracting the handle


21


. Hole


210


of the fully retracted sliding tube of handle


21


is again engaged with stud


1679


of locking device


167


. As a result, F-shaped mechanism


17


is automatically returned to a position being flush with top plate


15


of bezel


10


when hand is off the handle


21


as shown in

FIGS. 5A and 5B

.




While the invention herein disclosed has been described by means of specific embodiments, numerous modifications and variations could be made thereto by those skilled in the art without departing from the scope and spirit of the invention set forth in the claims.



Claims
  • 1. A safety mechanism of luggage with a retractable handle assembly including a handle grip, a pair of sliding tubes having an upper hole, and a bezel having a concave member having a tunnel on either side for permitting each sliding tube to slide therein, a vertical plate, a seat plate, and a top plate, the safety mechanism comprising:an elongate transverse groove between the vertical plate and the top plate of the bezel; an elongate recessed engagement mechanism abutted on the sides, the bottom, and the rear of the transverse groove, the engagement mechanism including a bottom portion, a vertical portion, two spaced posts on the bottom portion, two first spring put on the posts, a guide in a front of the posts, and an elongate vertical recess at two sides of the vertical portion of the engagement mechanism; an F-shaped mechanism being vertically movable in the engagement mechanism; wherein in a fully retracted position of the handle grip, the first springs are urged against and to push the F-shaped mechanism upward to engage with an underside of the top plate of the bezel; a locking device at two sides of the engagement mechanism including a socket at two sides of the bottom portion of the engagement mechanism, the socket including a bottom opening, a top opening, and a front opening; the F-shaped mechanism including an upper horizontal portion, a vertical portion, an extension horizontally extending from both sides thereof, a flange on the top of the extension, a central divider below the horizontal portion, a recessed portion at two sides of the central divider such that the posts are capable of passing through recessed portions when the F-shaped mechanism is moving vertically, and the bottom of the vertical portion of the F-shaped mechanism is capable of moving into a guide through the transverse groove; two spaced tube members with notched circumferential surface at the underside of the top plate of the bezel; two spaced slots at the vertical portion of the engagement mechanism such that the engagement mechanism is capable of being secured to the top plate of the bezel by driving fasteners through the tube members and the spaced slots; a flexible latched member in two undersides of the seat plate of the bezel being clung to the bottom opening of the socket such that the F-shaped mechanism is capable of moving vertically with the flanges on the top of the extension being slidably received in the recesses of the engagement mechanism; a wedge at the underside of two extension of the F-shaped mechanism, the wedge including a front planar portion and a rear slanted surface; a locking block in the socket, the locking block including a recessed slanted surface on an upper surface, a rear peg, a spring loaded on the rear peg, and a front stud; and a bouncing device at the lower part of each sliding tube, the bouncing device including an upper frame member, a lower abutment member held by the upper frame member, a sliding block having a catch within the lower abutment member, and a second spring anchored in the lower abutment member, whereby pull the handle grip to activate the bouncing device to push each sliding tube upward to cause the handle grip to bounce a predetermined distance above the top plate of the bezel; and press down the handle grip to cause the F-shaped mechanism to move down simultaneously thus forming a space in the bezel by the downward moved F-shaped mechanism.
  • 2. The safety mechanism of claim 1, wherein each of the upper horizontal portion and the vertical portion of the F-shaped mechanism is formed of soft material and the extension of the F-shaped mechanism is formed of hard material.
  • 3. The safety mechanism of claim 1, wherein the extension of the F-shaped mechanism is formed integrally with the F-shaped mechanism.
  • 4. The safety mechanism of claim 1, wherein the width of the upper horizontal portion of the F-shaped mechanism is about the same as that of the transverse groove and the bottom portion of the engagement mechanism, and the length of the vertical portion of the F-shaped mechanism is larger than the height of the vertical portion of the engagement mechanism.
  • 5. The safety mechanism of claim 1, wherein the slanted surface of the wedge is disengaged from the top opening in an unlocked position of the handle.
  • 6. The safety mechanism of claim 1, wherein the slanted surface of the wedge is engaged with the recessed slanted surface of the locking block in a locked position of the handle.
  • 7. The safety mechanism of claim 1, wherein the top of the horizontal portion of the F-shaped mechanism is flush with the top plate of the bezel.
Priority Claims (1)
Number Date Country Kind
89216041 U Sep 2000 TW
US Referenced Citations (2)
Number Name Date Kind
6148478 Kuwayama Nov 2000 A
6338400 Wu Jan 2002 B1
Foreign Referenced Citations (1)
Number Date Country
387218 Apr 2000 CN