Patents by Inventor Lien-Ching Lu
Lien-Ching Lu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20080078053Abstract: A retractable pull handle for a luggage includes an outer pipe, an inner pipe, a fixing seat, a positioning block, a first elastic member, two locking blocks, two second elastic members, and a push member. Thus, the locking posts of the locking blocks are locked in the lower locking holes of the outer pipe, and the positioning post of the positioning block is locked in the positioning hole of the outer pipe to provide a double locking effect, so that the inner pipe is locked in the outer pipe exactly and stably to prevent the inner pipe from detaching from the outer pipe, thereby facilitating packaging, transportation and storage of the luggage.Type: ApplicationFiled: October 2, 2006Publication date: April 3, 2008Applicant: THEPREM SUCCESS CO., LTD.Inventor: Lien-Ching Lu
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Patent number: 7266863Abstract: A retractable handle assembly for a luggage includes an outer pipe, an intermediate pipe, an inner pipe, and a control handle. Each of the inner pipe and the intermediate pipe has a bottom end provided with a support seat and a locking device. The support seat includes a housing and an end cap. The locking device includes at least one press member, at least one locking pin, and at least one positioning pin. Thus, the inner pipe and the intermediate pipe are positioned exactly and stably so that the inner pipe and the intermediate pipe will not slip when the retractable handle assembly is folded and expanded, thereby facilitating a user operating the retractable handle assembly.Type: GrantFiled: March 22, 2005Date of Patent: September 11, 2007Assignee: Theprem Success Co., LtdInventor: Lien-Ching Lu
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Patent number: 7191878Abstract: A luggage includes a main body, a pull bar mounted on the main body, a positioning member mounted on the pull bar, and a handle rotatably mounted on the positioning member. Thus, the luggage has a horizontally rotatable handle, so that the handle is rotated relative to the pull bar so as to adjust the angle between the handle and the pull bar arbitrarily.Type: GrantFiled: January 5, 2004Date of Patent: March 20, 2007Inventor: Lien-Ching Lu
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Publication number: 20060213029Abstract: A retractable handle assembly for a luggage includes an outer pipe, an intermediate pipe, an inner pipe, and a control handle. Each of the inner pipe and the intermediate pipe has a bottom end provided with a support seat and a locking device. The support seat includes a housing and an end cap. The locking device includes at least one press member, at least one locking pin, and at least one positioning pin. Thus, the inner pipe and the intermediate pipe are positioned exactly and stably so that the inner pipe and the intermediate pipe will not slip when the retractable handle assembly is folded and expanded, thereby facilitating a user operating the retractable handle assembly.Type: ApplicationFiled: March 22, 2005Publication date: September 28, 2006Applicant: THEPREM SUCCESS CO., LTD.Inventor: Lien-Ching Lu
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Publication number: 20050145459Abstract: A luggage includes a main body, a pull bar mounted on the main body, a positioning member mounted on the pull bar, and a handle rotatably mounted on the positioning member. Thus, the luggage has a horizontally rotatable handle, so that the handle is rotated relative to the pull bar so as to adjust the angle between the handle and the pull bar arbitrarily.Type: ApplicationFiled: January 5, 2004Publication date: July 7, 2005Inventor: Lien-Ching Lu
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Patent number: 6226834Abstract: A luggage handle structure includes a handle, two inner tubes, two linking rods, two inner locking tubes, and two outer tubes. The handle includes an upper cap having a mediate portion defining a hollow recess and two sides each defining a cut slot, the hollow recess having two sides each formed with a hollow lower lug; a press plate having a mediate portion defining a chamber and two sides each formed with a protruding wing received in the cut slot of the upper cap, the protruding wing defining a through hole for receiving the lower lug of the upper cap, a spring received in the chamber; and a base having two sides each formed with an insertion block received in the cut slot of the upper cap and a hollow upper lug formed on an inner side of the insertion block, the upper lug aligning with the lower lug, a bolt extending through the upper lug and screwed into the lower lug to form a retaining column, a stub formed on the mediate portion of the base and attached to the spring.Type: GrantFiled: January 13, 2000Date of Patent: May 8, 2001Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu
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Patent number: 6119309Abstract: A handle structure of a suitcase includes an inverted U-shaped body and an attachment attached to the inside of the body. The body has a ridge extending from the inside thereof and a plurality of protrusions extending from the top and the bottom of the ridge. Two engaging members extend from the inside of the body and are located on two ends of the ridge. The attachment has a groove defined in the inside thereof and a plurality of recesses defined in the inner top and the inner bottom of the groove so that the ridge is received in the groove with the protrusions engaged with the recesses. The two engaging members are engaged with two apertures defined in the inside of the attachment.Type: GrantFiled: February 5, 1999Date of Patent: September 19, 2000Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu
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Patent number: 6026542Abstract: A retractable handle device is provided which includes two sleeves, two inner tubes disposed in the corresponding sleeves, and a handle mechanism that respectively receives the inner tubes on opposing ends thereof. Two position-control devices are located at the bottom end of corresponding inner tubes. The handle mechanism has a press bar mounted in a lower casing thereof. Each position-control device has a locating block fastened to the bottom end of the corresponding inner tube, a flat latch, biased by a spring, engaging a locating hole on the corresponding sleeve to stop the respective inner tube from axial movement relative to the corresponding sleeve.Type: GrantFiled: March 18, 1998Date of Patent: February 22, 2000Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu
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Patent number: 5970579Abstract: A handle assembly for a wheeled luggage case includes two outer tubes, two inner tubes respectively and retractably received in the two outer tubes, a rotated handle connected between the two inner tubes, two actuating means respectively in the inner tubes, and two rods received in the inner tubes and operatably engaged with the actuating means. The rotated handle has two ends to push the two rods to actuate the actuating means when the rotated handle is rotated. The actuating means each have a positioning member received therein so as to position the inner tubes corresponding to the outer tubes.Type: GrantFiled: May 19, 1998Date of Patent: October 26, 1999Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu
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Patent number: 5924169Abstract: A suitcase handle device has a positioning seat disposed in a top portion of the suitcase, a grip seat disposed on the positioning seat, a grip disposed on the grip seat, and a press plate disposed in the grip seat. The positioning seat has a first square recess and a second square recess. The grip seat has a first distal sleeve inserted in the first square recess, a first through hole, a first passage, a second distal sleeve inserted in the second square recess, a second through hole, a second passage, a recess hole, two lateral plates, a slide rail, and an extended hole. The press plate has a base seat, a neck portion, a press portion, a protruded block, and a round hole receiving a coiled spring. The extended hole receives the protruded block. The lateral plates clamp the neck portion. The base seat slides in the slide rail. The grip has a first distal arm receiving a first inner pipe and a second distal arm receiving a second inner pipe.Type: GrantFiled: October 9, 1997Date of Patent: July 20, 1999Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu
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Patent number: 5781965Abstract: An extensible handle device has a pair of outer pipes, a pair of inner pipes disposed in the corresponding outer pipes respectively, a pair of cylinder blocks disposed in the corresponding inner pipes respectively, and a pair of push blocks disposed in the corresponding cylinder blocks respectively. A handle bar has a crossbar and a press bar inserted in the crossbar. The crossbar has two through holes to receive two inner pipes and at least two hollow posts disposed in the crossbar. Each of the push blocks has a slide groove to receive a slide block and a helical spring. Two cushions are inserted in two upper ends of the inner pipes. Each cushion receives a compression spring and a connecting rod. Each post receives a coiled spring and a respective protruded rod. Each outer pipe has a plurality of oblong holes.Type: GrantFiled: May 29, 1997Date of Patent: July 21, 1998Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu
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Patent number: 5730264Abstract: A luggage structure to which an additional luggage case can be freely added. The luggage structure includes a luggage pull rod and a pair of adjustable latch boards. The luggage pull rod includes a pair of inner tubes, a handle, an engaging board and a base seat. The adjustable latch boards includes an upper pressing board and a base board. The upper pressing board is a reverse L-shaped board body having a vertical section disposed with two latch clips on two sides. Each latch clip is disposed with a through hole for the outer tube to pass thereinto and for a bolt to tighten the outer tube. A horizontal section of the pressing board is formed with several through holes for riveting pin members therein so as to secure the additional luggage case. The base board is an L-shaped board body having a vertical section disposed with two latch clips on two sides. Each latch clip is disposed with a through hole for the outer tube to pass thereinto and for a bolt to tighten the outer tube.Type: GrantFiled: November 15, 1996Date of Patent: March 24, 1998Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu
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Patent number: 5727898Abstract: A locating structure for luggage pull rod including a handle, a transmission assembly, a linking lever, an inner tube, a hollow inner engaging tube secured at the bottom end and an outer tube. A lateral side of the inner engaging tube is formed with a through hole. The upper and lower edges of the through hole are respectively disposed with two restricting blocks. The other lateral side is open and engaged with an engaging cover. A slide seat is fitted in the inner engaging tube and formed with an inner cavity. The slide seat is up and down movably fitted with the restricting blocks. Two inclined channels are formed near the belly of the cavity, so that the guide posts of the locating block are inserted in the inclined channels of the slide seat, The locating block has a locating button at the front end. The locating button is passed and engaged in the through hole of the inner engaging tube.Type: GrantFiled: October 2, 1996Date of Patent: March 17, 1998Inventor: Lien-Ching Lu
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Patent number: 5709398Abstract: A telescopic pull lever structure for a luggage case, which can be adjusted up and down according to the size of the luggage case so as to snugly receive the luggage case. The pull lever structure includes a pull lever receiving board having a pair of handle pull levers and a pair of telescopic pull levers and a base seat. Any specific luggage case can be snugly received between the upper locking end of the receiving board and the base seat.Type: GrantFiled: March 13, 1996Date of Patent: January 20, 1998Inventor: Lien-Ching Lu
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Patent number: D422879Type: GrantFiled: February 16, 1999Date of Patent: April 18, 2000Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu
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Patent number: D432893Type: GrantFiled: March 1, 2000Date of Patent: October 31, 2000Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu
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Patent number: D432894Type: GrantFiled: March 1, 2000Date of Patent: October 31, 2000Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu
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Patent number: D432895Type: GrantFiled: April 12, 2000Date of Patent: October 31, 2000Assignee: Ting Cheng Co., Ltd.Inventor: Lien-Ching Lu