US20060225981A1 - Retractable handle of carry-on luggage - Google Patents
Retractable handle of carry-on luggage Download PDFInfo
- Publication number
- US20060225981A1 US20060225981A1 US11/103,582 US10358205A US2006225981A1 US 20060225981 A1 US20060225981 A1 US 20060225981A1 US 10358205 A US10358205 A US 10358205A US 2006225981 A1 US2006225981 A1 US 2006225981A1
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- US
- United States
- Prior art keywords
- handle
- block
- sliding
- spring
- locking
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/26—Special adaptations of handles
- A45C13/262—Special adaptations of handles for wheeled luggage
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/26—Special adaptations of handles
- A45C13/262—Special adaptations of handles for wheeled luggage
- A45C2013/267—Special adaptations of handles for wheeled luggage the handle being slidable, extractable and lockable in one or more positions
Definitions
- the present invention relates to retractable handle of luggage and more particularly to a carry-on luggage having two retractable handle rods each having a plurality of sliding tubes and a support tube such that pressing the push button will unlock the handle rods and suddenly resiliently move the handle rods upward automatically a small distance prior to being able to fully extend the handle rods.
- a passenger may carry a small luggage (e.g., carry-on luggage) aboard a plane as long as the luggage is within a prescribed size.
- handle of carry-on luggage consists of a sliding tube and a support tube (i.e., two-section handle).
- handle of carry-on luggage consists of a sliding tube and a support tube (i.e., two-section handle).
- an ordinary person may feel the fully extended handle being too short to be comfortably grasped while towing on the ground.
- a need has arisen for a carry-on luggage having two handle rods each having a plurality of sliding tubes and a support tube.
- no improvement has been proposed about the above since the linking and locking mechanisms of such handle are very complicated.
- the existing resilient device of handle system is not applicable.
- continuing improvements in the exploitation of retractable handle of a carry-on luggage are constantly being sought.
- the present invention provides a handle assembly for a carry-on luggage comprising a pair of elongate substantially parallel handle units; and a handle grip interconnected the handle units, the handle grip comprising a push button and two connecting rods actuated by the push button; wherein either handle unit comprises a handle rod comprising a fixed bottom support tube, a top first sliding tube, an upper second sliding tube, and a lower third sliding tube wherein the first sliding tube has a top end fixedly connected to the handle grip, and each of the first, second, and third sliding tubes is arranged telescopically about a tube therebelow; a locking device comprising an upright locking mechanism and a sliding locking unit wherein the locking mechanism comprises a locking block and a sliding block, the locking block and the first sliding tube are connected together by a first pin, the locking block comprises a spring-depressible first locking member locked in a lower positioning hole of the second sliding tube, the sliding block is provided in the locking block and has its top end fixedly connected to the connecting rod,
- FIG. 1 is a perspective view of a first preferred embodiment of retractable handle mounted in a carry-on luggage according to the invention
- FIG. 2 is an exploded view of FIG. 1 ;
- FIG. 3 is a cross-sectional view of the handle in a retracted position
- FIG. 4 is a view similar to FIG. 3 where the handle is unlocked and the handle is slightly extended after pressing the push button;
- FIG. 5 is a view similar to FIG. 4 where the handle is in a fully extended position by pulling after unlocking the handle;
- FIG. 6 is a perspective view of a second preferred embodiment of retractable handle mounted in a carry-on luggage according to the invention.
- the inverted U-shaped handle comprises two handle rods 20 , a top handle grip 10 having both ends connected to the handle rods 20 , two locking devices 30 each in the handle rod 20 , and two resilient devices 40 each in the handle rod 20 .
- Each component is discussed in detailed below.
- the handle grip 10 comprises a base 11 , two tubes 111 extended downward from both ends of the base 11 , an oval recess 112 defined by the base 11 , and a mounting member 113 in the recess 112 for mounting a spring 12 , a push button 13 , and two levers 14 at both ends of the push button 13 .
- the lever 14 comprises a longitudinal hole 141 with a bottom pin 151 of a cover 15 inserted through.
- the cover 15 further comprises a central opening 152 with the push button 13 slidably received therein.
- Two rigid connecting rods 16 each has one end passed the tube 111 to pivotably connect to one end of the lever 14 and the other end extended through the handle rod 20 .
- the handle rod 20 comprises a bottom support tube 24 , a top first sliding tube 21 , an upper second sliding tube 22 , and a lower third sliding tube 23 in which the support tube 24 is fixed connected to either socket of a support at bottom of luggage, the first sliding tube 21 has a top end fixedly connected to the tube 111 , and the first, second, and third sliding tubes 21 , 22 , and 23 each is arranged telescopically about its lower member. Also, each of the second sliding tube 22 , third sliding tube 23 , and support tube 24 has a releasable sleeve 221 , 231 , 241 fitted on its respective top portion. Further, there are apertures and positioning holes formed on each of the second sliding-tube 22 , third sliding tube 23 , and the support tube 24 as detailed later.
- the locking device 30 comprises an upright locking mechanism 31 comprising a locking block 32 including a longitudinal tunnel 321 , a small upper member 322 , and a large lower member 323 , and a sliding block 33 .
- a pin 51 is inserted through a lower aperture 211 of the first sliding tube 21 into the upper member 322 .
- Bottom of the first sliding tube 21 is rested upon the lower member 323 .
- a lateral recessed portion 324 is formed in the lower member 323 for receiving a locking member 325 and a spring 326 .
- the sliding block 33 is provided in the tunnel 321 and has its top end fixedly connected to a lower end of the connecting rod 16 .
- the sliding block 33 comprises a lower slope 331 and the locking member 325 comprises an inner slope 3251 matingly engaged with the slope 331 such that the spring 326 is adapted to push the locking member 325 into a lower positioning hole 222 of the second sliding tube 22 for locking.
- the locking device 30 further comprises a sliding locking unit 34 comprising an upper first block 35 , a lower second block 36 , and a sliding rod 37 .
- the first block 35 comprises a longitudinal channel 351 , a small upper member 352 , and a large lower member 353 .
- a pin 52 is inserted through a lower aperture 223 of the second sliding tube 22 into the upper member 352 .
- Bottom of the second sliding tube 22 is rested upon the lower member 353 .
- the lower member 353 comprises a first lateral recessed portion 354 for receiving a locking member 356 and a spring 357 , and a second lateral recessed portion 355 for receiving a locking member 358 and a spring 359 .
- the locking member 356 comprises a V-shaped projection 3561 at one side and the locking member 358 comprises a V-shaped projection 3581 at one side.
- the locking member 358 is pushed into a lower positioning hole 232 of the third sliding tube 23 by the spring 359 for locking.
- the second block 36 is secured to the positioning hole 233 of the third sliding tube 23 by a pin 53 and comprises an upper socket 361 and a lateral recessed portion 362 for receiving a hollow member 363 , a locking member 364 , and a spring 365 .
- the hollow member 363 comprises an inner slope 366 .
- the locking member 364 is pushed into a positioning hole 242 of the support tube 24 for locking.
- the sliding rod 37 is provided in the channel 351 of the first block 35 with a spring 375 slip-on an upper portion thereof and comprises an oval transverse tunnel 371 with the pin 52 further inserted through the aperture 223 of the second sliding tube 22 into the tunnel 371 , a lower first slope 372 matingly engaged with the V-shaped projection 3561 of the locking member 356 , an upper second slope 373 matingly engaged with the V-shaped projection 3581 of the locking member 358 , and a bottom slope 374 matingly engaged with the inner slope 366 of the hollow member 363 .
- the resilient device 40 is provided under of the support tube 24 and comprises a hollow base 41 , a spring 42 provided in the base 41 , and a T-shaped member 43 having bottom rested upon top of the spring 42 and top urged against bottom of the second block 36 by the spring 42 .
- a user may then grasps the handle grip 10 and pull up same until the handle is fully extended.
- the locking member 325 of the locking mechanism 31 is pushed by the spring 326 to enter an upper positioning hole 224 of the second sliding tube 22 for locking.
- the locking member 356 of the first block 35 is pushed by the spring 357 together with an aid of the spring 375 slip-on the sliding rod 37 to enter an upper positioning hole 234 of the third sliding tube 23 for locking.
- the hollow member 363 of the second block 36 is pushed by the spring 365 to enter an intermediate positioning hole 243 of the support tube 24 for locking.
- FIG. 6 it shows a second preferred embodiment of retractable handle mounted in a carry-on luggage according to the invention.
- the second preferred embodiment substantially has same structure as the first preferred embodiment.
- the difference between the first and the second preferred embodiments, i.e., the characteristic of the second preferred embodiment is detailed below.
- the second embodiment has two sliding tubes 21 , 22 and a support tube 24 . It means that the sliding tube 23 , the upper first block 35 , the sliding rod 37 , and the sleeve 231 as mentioned above are all omitted.
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Abstract
Provided is a handle assembly for carry-on luggage. The inverted U-shaped handle assembly comprises two handle units each comprising a handle rod comprising a fixed bottom support tube and a plurality of sliding tubes arranged telescopically about a tube therebelow; a locking device in the tubes; and a resilient device under of the support tube. Pressing the push button will unlock the handle units and resiliently move the handle rods upward a predetermined small distance prior to being able to fully extend the handle rods.
Description
- 1. Field of Invention
- The present invention relates to retractable handle of luggage and more particularly to a carry-on luggage having two retractable handle rods each having a plurality of sliding tubes and a support tube such that pressing the push button will unlock the handle rods and suddenly resiliently move the handle rods upward automatically a small distance prior to being able to fully extend the handle rods.
- 2. Description of Related Art
- Conventionally, a user may press a push button to unlock resilient devices in handle rods prior to pulling the handle rods out of their concealed positions. Such technique is disclosed in U.S. Pat. No. 5,692,266.
- A passenger may carry a small luggage (e.g., carry-on luggage) aboard a plane as long as the luggage is within a prescribed size. Typically, handle of carry-on luggage consists of a sliding tube and a support tube (i.e., two-section handle). Unfortunately, an ordinary person may feel the fully extended handle being too short to be comfortably grasped while towing on the ground. Hence, a need has arisen for a carry-on luggage having two handle rods each having a plurality of sliding tubes and a support tube. However, so far as the present inventor is aware, no improvement has been proposed about the above since the linking and locking mechanisms of such handle are very complicated. Also, the existing resilient device of handle system is not applicable. Thus, continuing improvements in the exploitation of retractable handle of a carry-on luggage are constantly being sought.
- It is therefore an object of the present invention to provide a carry-on luggage having two retractable handle rods each having a plurality of sliding tubes and a support tube such that pressing the push button will unlock the handle rods and resiliently move the handle rods upward automatically a small distance prior to being able to fully extend the handle rods.
- To achieve the above and other objects, the present invention provides a handle assembly for a carry-on luggage comprising a pair of elongate substantially parallel handle units; and a handle grip interconnected the handle units, the handle grip comprising a push button and two connecting rods actuated by the push button; wherein either handle unit comprises a handle rod comprising a fixed bottom support tube, a top first sliding tube, an upper second sliding tube, and a lower third sliding tube wherein the first sliding tube has a top end fixedly connected to the handle grip, and each of the first, second, and third sliding tubes is arranged telescopically about a tube therebelow; a locking device comprising an upright locking mechanism and a sliding locking unit wherein the locking mechanism comprises a locking block and a sliding block, the locking block and the first sliding tube are connected together by a first pin, the locking block comprises a spring-depressible first locking member locked in a lower positioning hole of the second sliding tube, the sliding block is provided in the locking block and has its top end fixedly connected to the connecting rod, and the sliding locking unit comprises an upper first block, a lower second block, and a sliding rod wherein the first block and the second sliding tube are connected together by a second pin, the first block comprises a spring-depressible second locking member locked in a lower positioning hole of the third sliding tube, the second block and the third sliding tube are connected together by a third pin, the second block comprises a spring-depressible third locking member locked in a positioning hole of the support tube, and the sliding rod is provided in the first block and comprises a transverse tunnel connected to the second sliding tube by the third pin; and a resilient device under of the support tube and comprising a spring-depressible, T-shaped member having a top urged against bottom of the second block; whereby pressing the push button will unlock the handle units and resiliently move the handle rods upward a predetermined small distance prior to being able to fully extend the handle rods.
- 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.
-
FIG. 1 is a perspective view of a first preferred embodiment of retractable handle mounted in a carry-on luggage according to the invention; -
FIG. 2 is an exploded view ofFIG. 1 ; -
FIG. 3 is a cross-sectional view of the handle in a retracted position; -
FIG. 4 is a view similar toFIG. 3 where the handle is unlocked and the handle is slightly extended after pressing the push button; -
FIG. 5 is a view similar toFIG. 4 where the handle is in a fully extended position by pulling after unlocking the handle; and -
FIG. 6 is a perspective view of a second preferred embodiment of retractable handle mounted in a carry-on luggage according to the invention. - Referring to FIGS. 1 to 3, there is shown a retractable handle mountable in a carry-on luggage in accordance with a first preferred embodiment of the invention. The inverted U-shaped handle comprises two
handle rods 20, atop handle grip 10 having both ends connected to thehandle rods 20, twolocking devices 30 each in thehandle rod 20, and tworesilient devices 40 each in thehandle rod 20. Each component is discussed in detailed below. - The
handle grip 10 comprises abase 11, twotubes 111 extended downward from both ends of thebase 11, anoval recess 112 defined by thebase 11, and amounting member 113 in therecess 112 for mounting aspring 12, apush button 13, and twolevers 14 at both ends of thepush button 13. Thelever 14 comprises alongitudinal hole 141 with abottom pin 151 of acover 15 inserted through. Thecover 15 further comprises acentral opening 152 with thepush button 13 slidably received therein. Two rigid connectingrods 16 each has one end passed thetube 111 to pivotably connect to one end of thelever 14 and the other end extended through thehandle rod 20. - The
handle rod 20 comprises abottom support tube 24, a top firstsliding tube 21, an upper secondsliding tube 22, and a lower thirdsliding tube 23 in which thesupport tube 24 is fixed connected to either socket of a support at bottom of luggage, the firstsliding tube 21 has a top end fixedly connected to thetube 111, and the first, second, and thirdsliding tubes sliding tube 22, thirdsliding tube 23, andsupport tube 24 has areleasable sleeve tube 22, third slidingtube 23, and thesupport tube 24 as detailed later. - The
locking device 30 comprises anupright locking mechanism 31 comprising alocking block 32 including alongitudinal tunnel 321, a smallupper member 322, and a largelower member 323, and asliding block 33. Apin 51 is inserted through alower aperture 211 of the first slidingtube 21 into theupper member 322. Bottom of the first slidingtube 21 is rested upon thelower member 323. A lateral recessedportion 324 is formed in thelower member 323 for receiving alocking member 325 and aspring 326. Thesliding block 33 is provided in thetunnel 321 and has its top end fixedly connected to a lower end of the connectingrod 16. The slidingblock 33 comprises alower slope 331 and thelocking member 325 comprises aninner slope 3251 matingly engaged with theslope 331 such that thespring 326 is adapted to push thelocking member 325 into alower positioning hole 222 of the secondsliding tube 22 for locking. - The
locking device 30 further comprises a slidinglocking unit 34 comprising an upperfirst block 35, a lowersecond block 36, and asliding rod 37. Thefirst block 35 comprises alongitudinal channel 351, a smallupper member 352, and a largelower member 353. Apin 52 is inserted through alower aperture 223 of the secondsliding tube 22 into theupper member 352. Bottom of the second slidingtube 22 is rested upon thelower member 353. Thelower member 353 comprises a first lateral recessedportion 354 for receiving alocking member 356 and aspring 357, and a second lateral recessedportion 355 for receiving alocking member 358 and aspring 359. Thelocking member 356 comprises a V-shaped projection 3561 at one side and thelocking member 358 comprises a V-shaped projection 3581 at one side. Thelocking member 358 is pushed into alower positioning hole 232 of the third slidingtube 23 by thespring 359 for locking. - The
second block 36 is secured to thepositioning hole 233 of the thirdsliding tube 23 by apin 53 and comprises anupper socket 361 and a lateral recessedportion 362 for receiving ahollow member 363, alocking member 364, and aspring 365. Thehollow member 363 comprises aninner slope 366. Thelocking member 364 is pushed into apositioning hole 242 of thesupport tube 24 for locking. - The
sliding rod 37 is provided in thechannel 351 of thefirst block 35 with aspring 375 slip-on an upper portion thereof and comprises an ovaltransverse tunnel 371 with thepin 52 further inserted through theaperture 223 of the secondsliding tube 22 into thetunnel 371, a lowerfirst slope 372 matingly engaged with the V-shaped projection 3561 of thelocking member 356, an uppersecond slope 373 matingly engaged with the V-shaped projection 3581 of thelocking member 358, and abottom slope 374 matingly engaged with theinner slope 366 of thehollow member 363. Theresilient device 40 is provided under of thesupport tube 24 and comprises ahollow base 41, aspring 42 provided in thebase 41, and a T-shaped member 43 having bottom rested upon top of thespring 42 and top urged against bottom of thesecond block 36 by thespring 42. - Referring to
FIGS. 3 and 4 , an operative position of the handle will now be described in detail. First, press thepush button 13 to pivot thelevers 14 to pull both the connectingrods 16 and the slidingblock 33 upward. Thelocking member 325 of thelocking mechanism 31 is pushed inward by thelower slope 331 of thesliding block 33. As such, thelocking member 325 clears thepositioning hole 222 of the second slidingtube 22. Thus, thesliding rod 37 is unlocked by thelocking block 32. Thehollow member 363 is pushed by the expandingspring 365 of thesecond block 36 to cause thelocking member 364 to clear thepositioning hole 242 of thesupport tube 24. Thespring 42 of theresilient device 40 expands to push both the T-shaped member 43 and thesecond block 36 upward. As a result, the handle is unlocked and suddenly resiliently moves upward automatically a small distance as shown inFIG. 4 . - Referring to
FIG. 5 , a user may then grasps thehandle grip 10 and pull up same until the handle is fully extended. In this position, the lockingmember 325 of thelocking mechanism 31 is pushed by thespring 326 to enter anupper positioning hole 224 of the second slidingtube 22 for locking. The lockingmember 356 of thefirst block 35 is pushed by thespring 357 together with an aid of thespring 375 slip-on the slidingrod 37 to enter anupper positioning hole 234 of the third slidingtube 23 for locking. Thehollow member 363 of thesecond block 36 is pushed by thespring 365 to enter anintermediate positioning hole 243 of thesupport tube 24 for locking. - Referring to
FIG. 6 , it shows a second preferred embodiment of retractable handle mounted in a carry-on luggage according to the invention. The second preferred embodiment substantially has same structure as the first preferred embodiment. The difference between the first and the second preferred embodiments, i.e., the characteristic of the second preferred embodiment is detailed below. The second embodiment has two slidingtubes support tube 24. It means that the slidingtube 23, the upperfirst block 35, the slidingrod 37, and thesleeve 231 as mentioned above are all omitted. - 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 (19)
1. A handle assembly for a carry-on luggage, comprising:
a pair of elongate substantially parallel handle units; and
a handle grip (10) interconnected the handle units, the handle grip (10) comprising a push button (13) and two connecting rods (16) actuated by the push button (13);
wherein either handle unit comprises:
a handle rod (20) comprising a fixed bottom support tube (24), a top first sliding tube (21), an upper second sliding tube (22), and a lower third sliding tube (23) wherein the first sliding tube (21) has a top end fixedly connected to the handle grip (10), and each of the first, second, and third sliding tubes (21, 22, and 23) is arranged telescopically about a tube therebelow;
a locking device (30) comprising an upright locking mechanism (31) and a sliding locking unit (34) wherein the locking mechanism (31) comprises a locking block (32) and a sliding block (33), the locking block (32) and the first sliding tube (21) are connected together by a first pin (51), the locking block (32) comprises a spring-depressible first locking member (325) locked in a lower positioning hole (222) of the second sliding tube (22), the sliding block (33) is provided in the locking block (32) and has a top end thereof fixedly connected to a bottom end of the connecting rod (16), and the sliding locking unit (34) comprises an upper first block (35), a lower second block (36), and a sliding rod (37) wherein the first block (35) and the second sliding tube (22) are connected together by a second pin (52), the first block (35) comprises a spring-depressible second locking member (356) locked in a lower positioning hole (232) of the third sliding tube (23), the second block (36) and the third sliding tube (23) are connected together by a third pin (53), the second block (36) comprises a spring-depressible third locking member (364) locked in a positioning hole (242) of the support tube (24), and the sliding rod (37) is provided in the first block (35) and comprises a transverse tunnel (371) connected to the second sliding tube (22) by the second pin (52); and
a resilient device (40) under of the support tube (24) and comprising a spring-depressible, T-shaped member (43) having a top urged against bottom of the second block (36);
whereby pressing the push button (13) will unlock the handle units and resiliently move the handle rods (20) upward automatically a predetermined small distance prior to being able to fully extend the handle rods (20).
2. The handle system of claim 1 , wherein the handle grip (10) further comprises two tubes (111) extended downward from both ends thereof to fixedly connect to a top of the first sliding tubes (21).
3. The handle system of claim 1 , wherein the handle grip (10) further comprises a spring (12) urged against the push button (13) and two levers (14) each pivotally disposed within the handle grip (10) and an inner end of each lever (14) interconnected to either end of the push button (13) and an outer end of each lever (14) connected to an upper end of the respective connecting rod (16).
4. The handle system of claim 1 , wherein each of the second sliding tube (22), the third sliding tube (23), and the support tube (24) comprises a releasable sleeve (221, 231, or 241) fitted on a top thereof, respectively.
5. The handle system of claim 1 , wherein the locking block (32) further comprises a longitudinal tunnel (321), an upper member (322), and a lower member (323) larger than the upper member (322) and including a lateral recessed portion (324) for receiving the spring-depressible first locking member (325).
6. The handle system of claim 1 , wherein the sliding block (33) comprises a lower slope (331) and the spring-depressible first locking member (325) comprises an inner slope (3251) matingly engaged with the lower slope (331) of the sliding block (33).
7. The handle system of claim 1 , wherein the first block (35) further comprises a longitudinal channel (351) in the central portion thereof, an upper element (352), and a lower element (353) larger than the upper element (352) and the lower element (353) including a first lateral recessed portion (354) for receiving a spring (357) and the spring-depressible second locking member (356), and a second lateral recessed portion (355) for receiving a spring (359) and a spring-depressible third locking member (358).
8. The handle system of claim 1 , wherein the spring-depressible second locking member (356) comprises a V-shaped projection (3561) at one side.
9. The handle system of claim 1 , wherein the second block (36) further comprises an upper socket (361), a spring-depressible fourth locking member (364), and a third lateral recessed portion (362) for receiving a spring (365) and the spring-depressible fourth locking member (364).
10. The handle system of claim 7 , wherein the spring-depressible third locking member (358) comprises a V-shaped projection (3581) at one side.
11. The handle system of claim 10 , wherein the sliding rod (37) further comprises a lower first slope (372), an upper second slope (373), and a bottom slope (374) matingly engaged with the V-shaped projection (3581) of the spring-depressible third locking member (358).
12. The handle system of claim 1 , wherein the resilient device (40) further comprises a spring (42) and a hollow base (41) for receiving the T-shaped member (43).
13. The handle system of claim 1 , wherein each of the second sliding tube (22), the third sliding tube (23), and the support tube (24) comprises one or more positioning holes (222, 224, 232, 234, 242 and 243).
14. A handle assembly for a carry-on luggage, comprising:
a pair of elongate substantially parallel handle units; and
a handle grip (10) interconnected the handle units, the handle grip (10) comprising a push button (13) and two connecting rods (16) actuated by the push button (13);
wherein either handle unit comprises:
a handle rod (20) comprising a fixed bottom support tube (24), a first sliding tube (21), and a second sliding tube (22) wherein the first sliding tube (21) has a top end fixedly connected to the handle grip (10), and each of the first and second sliding tubes (21, 22) is arranged telescopically about a tube therebelow;
a locking device (30) comprising an upright locking mechanism (31) and a lower second block (36), wherein the locking mechanism (31) comprises a locking block (32) and a sliding block (33), the locking block (32) and the first sliding tube (21) are connected together by a first pin (51), the locking block (32) comprises a spring-depressible first locking member (325) locked in a lower positioning hole (222) of the second sliding tube (22), the sliding block (33) is provided in the locking block (32) and has a top end thereof fixedly connected to a bottom end of the connecting rod (16), and wherein the second sliding tube (22) are connected together with the second block (36) by a pin (53), the second block (36) comprises a spring-depressible third locking member (364) locked in a positioning hole (242) of the support tube (24), and
a resilient device (40) under of the support tube (24) and comprising a spring-depressible, T-shaped member (43) having a top urged against bottom of the second block (36);
whereby pressing the push button (13) will unlock the handle units and resiliently move the handle rods (20) upward automatically a predetermined small distance prior to being able to fully extend the handle rods (20).
15. The handle system of claim 14 , wherein the handle grip (10) further comprises two tubes (111) extended downward from both ends thereof to fixedly connect to a top of the first sliding tubes (21).
16. The handle system of claim 14 , wherein the handle grip (10) further comprises a spring (12) urged against the push button (13) and two levers (14) each pivotally disposed within the handle grip (10) and an inner end of each lever (14) interconnected to either end of the push button (13) and an outer end of each lever (14) connected to an upper end of the respective connecting rod (16).
17. The handle system of claim 14 , wherein each of the second sliding tube (22), the third sliding tube (23), and the support tube (24) comprises a releasable sleeve (221, 231, or 241) fitted on a top thereof, respectively.
18. The handle system of claim 14 , wherein the locking block (32) further comprises a longitudinal tunnel (321), an upper member (322), and a lower member (323) larger than the upper member (322) and including a lateral recessed portion (324) for receiving the spring-depressible first locking member (325).
19. The handle system of claim 14 , wherein the sliding block (33) comprises a lower slope (331) and the spring-depressible first locking member (325) comprises an inner slope (3251) matingly engaged with the lower slope (331) of the sliding block (33).
Priority Applications (1)
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US11/103,582 US20060225981A1 (en) | 2005-04-12 | 2005-04-12 | Retractable handle of carry-on luggage |
Applications Claiming Priority (1)
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US11/103,582 US20060225981A1 (en) | 2005-04-12 | 2005-04-12 | Retractable handle of carry-on luggage |
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US20060225981A1 true US20060225981A1 (en) | 2006-10-12 |
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US11/103,582 Abandoned US20060225981A1 (en) | 2005-04-12 | 2005-04-12 | Retractable handle of carry-on luggage |
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US20070266527A1 (en) * | 2006-05-18 | 2007-11-22 | Chien-Hung Chen | Semi-flexible handle |
US7549520B1 (en) * | 2006-06-29 | 2009-06-23 | Shou-Mao Chen | Spring structure of a multi-joint luggage pull-rod |
US20100095480A1 (en) * | 2008-10-20 | 2010-04-22 | Tumi, Inc. | Universal Bracket And Luggage Handle System |
US20100102536A1 (en) * | 2008-10-29 | 2010-04-29 | Durq Machinery Corp. | Movable carrier for table saw |
US20120103740A1 (en) * | 2010-01-21 | 2012-05-03 | Moussatche Michel H | Reinforced extruded tubing for telescopic handle for trolley-type carry case and carry case incorporating same |
CN102726923A (en) * | 2012-07-06 | 2012-10-17 | 东莞市莎米特箱包有限公司 | Easily extendable luggage pull rod provided with a plurality of loop bar sections |
US20130117968A1 (en) * | 2011-11-15 | 2013-05-16 | Chen-Chuan Wu | Elastic extension device and retractable pulling rod using the same |
US9161600B1 (en) * | 2014-08-05 | 2015-10-20 | Merrimack River Precision Industrial Corporation | Retractable luggage handle assembly |
DE102014009073A1 (en) * | 2014-06-18 | 2015-12-24 | Sudhaus Gmbh & Co. Kg | Telescopic handle for luggage |
US20170143090A1 (en) * | 2015-11-25 | 2017-05-25 | Milwaukee Electric Tool Corporation | Handle assembly for a case |
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Legal Events
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AS | Assignment |
Owner name: CHAW KHONG TECHNOLOGY CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LIN, JER HONG;REEL/FRAME:016468/0321 Effective date: 20050408 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |