Patents by Inventor Wai Kuen Fan
Wai Kuen Fan 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: 20240044178Abstract: A padlock comprising a lock body; a U-shaped lock hoop that has a circular cross-section, that is displaceably held at the lock body between a closed position and an open position, and that has a first hoop limb and a second hoop limb that is longer than the first hoop limb; and a locking device in the lock body for locking the lock hoop to the lock body in the closed position of the lock hoop. The locking device comprises at least one latch element and can be adjusted between a locked position, in which the latch element engages into an engagement recess in the closed position of the lock hoop, said engagement recess being formed in a flank of the second hoop limb facing the first hoop limb, and an unlocked position in which the latch element is located outside the engagement recess. In the second hoop limb, a peripheral groove is formed which is located closer to the free end of the second hoop limb than the engagement recess and into which the latch element engages in the open position of the lock hoop.Type: ApplicationFiled: June 12, 2023Publication date: February 8, 2024Inventor: Wai Kuen FAN
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Publication number: 20230366242Abstract: A padlock basic kit for assembling a padlock in a configuration that can be selected from a plurality of configurations, wherein the configurations differ with respect to the type of lock cylinder used in the padlock and optionally additionally with respect to the type of closing hoop used in the padlock, comprises a lock body, at least two different lock cylinder adapters, and a closing plate. In this respect, a first one of the at least two lock cylinder adapters has a reception passage that is configured to receive a lock cylinder of a first type and a second one of the at least two lock cylinder adapters has a reception passage that is configured to receive a lock cylinder of a second type.Type: ApplicationFiled: September 30, 2021Publication date: November 16, 2023Inventor: Wai Kuen FAN
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Patent number: 11255110Abstract: A to a padlock comprising a lock body and a hoop that is movable between a closed position and an open position and that has a first hoop end and a second hoop end, wherein a first hoop receiver for the first hoop end and a second hoop receiver for the second hoop end are formed in the lock body, and wherein a latch mechanism is provided that is adjustable by a cylinder core that is rotatable about a cylinder axis between a locked position in which the latch mechanism fixes the hoop in the closed position and a release position in which the latch mechanism releases the hoop for a movement into the open position.Type: GrantFiled: July 11, 2019Date of Patent: February 22, 2022Assignee: ABUS August Bremicker Soehne KGInventor: Wai Kuen Fan
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Patent number: 11214988Abstract: A lockout padlock for securing a switch of an industrial plant comprises a lock housing composed of plastic, a hoop, a lock cylinder that has a cylinder housing and a rotatable cylinder core, and a key, with the cylinder core being rotatable between a locked position in which the hoop is locked or lockable to the lock housing and an unlocked position. The lock cylinder has a plurality of tumblers, with each tumbler being movable between a respective release position and a respective blocking position. The plurality of tumblers comprise a plurality of pin tumblers that are spring-loaded in the direction of their respective blocking positions. The plurality of tumblers furthermore comprise a plurality of supplementary tumblers that are not spring-loaded and that are freely movably supported between their respective release positions and their respective blocking positions.Type: GrantFiled: April 22, 2019Date of Patent: January 4, 2022Assignee: ABUS August Bremicker Soehne KGInventors: Wai Kuen Fan, Bernhard Garthe, Manuel Thomas
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Publication number: 20200018099Abstract: The invention relates to a padlock comprising a lock body and a hoop that is movable between a closed position and an open position and that has a first hoop end and a second hoop end, wherein a first hoop receiver for the first hoop end and a second hoop receiver for the second hoop end are formed in the lock body, and wherein a latch mechanism is provided that is adjustable by means of a cylinder core that is rotatable about a cylinder axis between a locked position in which the latch mechanism fixes the hoop in the closed position and a release position in which the latch mechanism releases the hoop for a movement into the open position.Type: ApplicationFiled: July 11, 2019Publication date: January 16, 2020Inventor: Wai Kuen Fan
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Publication number: 20190323268Abstract: A lockout padlock for securing a switch of an industrial plant comprises a lock housing composed of plastic, a hoop, a lock cylinder that has a cylinder housing and a rotatable cylinder core, and a key, with the cylinder core being rotatable between a locked position in which the hoop is locked or lockable to the lock housing and an unlocked position. The lock cylinder has a plurality of tumblers, with each tumbler being movable between a respective release position and a respective blocking position. The plurality of tumblers comprise a plurality of pin tumblers that are spring-loaded in the direction of their respective blocking positions. The plurality of tumblers furthermore comprise a plurality of supplementary tumblers that are not spring-loaded and that are freely movably supported between their respective release positions and their respective blocking positions.Type: ApplicationFiled: April 22, 2019Publication date: October 24, 2019Inventors: Wai Kuen FAN, Bernhard Garthe, Manuel Thomas
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Patent number: 10267066Abstract: A padlock comprises a lock body and a hoop, in particular a flexible hoop, which has a first hoop end. In this respect, the lock body has a first hoop receiver in order to selectively receive the first hoop end therein. The lock body further comprises a blocking element which is displaceable between a blocked position in which it blocks the first hoop end against an exiting from the first hoop receiver and a release position in which it releases the first hoop end for an exiting from the first hoop receiver. The lock body furthermore comprises a drive element which is rotatable between a locked position in which it locks the blocking element in its blocked position and an unlatched position in which it permits a displacement of the blocking element into its release position.Type: GrantFiled: October 7, 2016Date of Patent: April 23, 2019Assignee: ABUS AUGUST BREMICKER SÖHNE KGInventor: Wai Kuen Fan
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Patent number: 9689179Abstract: A padlock including a lock body, a shackle having two shanks with grooves for receipt of respective locking elements, and a pin which can be rotated by a lock cylinder core for moving the locking elements into their locking position. The pin has an engagement element configured to cooperate with an entrainer formation on the lock cylinder core. The padlock also includes a blocking plate located between the pin and the lock cylinder core and which is fastened in the lock body. The blocking plate has an opening through which the entrainer formation projects into the plane of the engagement element. The opening is configured such that, on the one hand, rotational movement of the lock cylinder core is possible and, on the other hand, a marginal region of the opening forms an abutment engageable with the entrainer formation for restricting rotational movement of the lock cylinder core.Type: GrantFiled: May 27, 2010Date of Patent: June 27, 2017Assignee: ABUS AUGUST BREMICKER SOHNE KGInventors: Wai Kuen Fan, Bernhard Garthe
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Patent number: 9631401Abstract: A padlock comprises a lock body, a hoop which is displaceably held at the lock body, a cylinder core into which at least one core pin is inserted and which is supported directly in a reception opening rotatable about a cylinder axis in order selectively to lock or release the hoop at the lock body, and a tumbler housing into which at least one housing pin is inserted and which is received in a fixed position in the lock body.Type: GrantFiled: October 30, 2014Date of Patent: April 25, 2017Assignee: ABUS August Bremicker Sohne KGInventors: Bernhard Garthe, Wai Kuen Fan
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Publication number: 20170101808Abstract: A padlock comprises a lock body and a hoop, in particular a flexible hoop, which has a first hoop end. In this respect, the lock body has a first hoop receiver in order to selectively receive the first hoop end therein. The lock body further comprises a blocking element which is displaceable between a blocked position in which it blocks the first hoop end against an exiting from the first hoop receiver and a release position in which it releases the first hoop end for an exiting from the first hoop receiver. The lock body furthermore comprises a drive element which is rotatable between a locked position in which it locks the blocking element in its blocked position and an unlatched position in which it permits a displacement of the blocking element into its release position.Type: ApplicationFiled: October 7, 2016Publication date: April 13, 2017Inventor: Wai Kuen FAN
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Patent number: 9322196Abstract: A padlock for securing a switch of an industrial plant comprises a lock body and a hoop which is displaceably held at the lock body, wherein the lock body has a lock housing composed of plastic, a lock cylinder having a rotatable cylinder core, and a rotatable latching member, wherein the cylinder core and the latching member are rotationally fixedly coupled to one another by means of a coupling element and wherein the latching member is rotatable from a release position into a latching position to lock the hoop at the lock body. The padlock is characterized in that the coupling element has at least one first bearing section, one second bearing section and therebetween a shaft section between the latching member and the lock cylinder, said shaft section connecting the first bearing section to the second bearing section and having a smaller diameter than the two bearing sections.Type: GrantFiled: April 21, 2014Date of Patent: April 26, 2016Assignee: ABUS August Bremicker Söhne KGInventors: Bernhard Garthe, Wai Kuen Fan, Manuel Thomas
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Patent number: 9200473Abstract: A rekeyable lock cylinder and a padlock with a rekeyable lock cylinder includes a cylindrical core formed to receive a key and an outer casing formed around the core. The cylinder core may be provided with one or more reconfiguration channels. Pins and springs mounted in openings formed in a spring holder connected to the casing can be removed through the one or more reconfiguration channels when the reconfiguration channels in the core align with assembly openings in the casing and the pin openings in the spring holder, thereby allowing the adaptation of the number of pins mounted in the lock cylinder to the number of cuts provided in the key.Type: GrantFiled: July 14, 2011Date of Patent: December 1, 2015Assignee: ABUS August Bremicker Söhne KGInventors: Wai Kuen Fan, Bernhard Garthe
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Publication number: 20150114050Abstract: A padlock comprises a lock body, a hoop which is displaceably held at the lock body, a cylinder core into which at least one core pin is inserted and which is supported directly in a reception opening rotatable about a cylinder axis in order selectively to lock or release the hoop at the lock body, and a tumbler housing into which at least one housing pin is inserted and which is received in a fixed position in the lock body.Type: ApplicationFiled: October 30, 2014Publication date: April 30, 2015Inventors: Bernhard GARTHE, Wai Kuen FAN
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Patent number: 8875552Abstract: The invention relates to a lock cylinder for a baggage lock having a cylinder housing, furthermore having a cylinder core which is rotatable in the cylinder housing and which has a keyway with a key introduction opening and having a plurality of tumblers which are arranged in two rows which are oppositely disposed along the key channel, with the lock cylinder being able to be actuated by means of an associated dimpled key which comprises, on two mutually oppositely disposed flat sides, a respective coding section provided with dimples and a respective end section adjoining said coding section and extending up to the tip of the key, with the associated key in particular being of the type TSA006 and with the tumbler of at least one of the rows furthest from the key introduction opening being arranged in a section of the key channel which receives the dimple-free end section of the associated key.Type: GrantFiled: October 14, 2008Date of Patent: November 4, 2014Assignee: ABUS August Bremicker Söhne KGInventor: Wai Kuen Fan
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Publication number: 20140311196Abstract: A padlock for securing a switch of an industrial plant comprises a lock body and a hoop which is displaceably held at the lock body, wherein the lock body has a lock housing composed of plastic, a lock cylinder having a rotatable cylinder core, and a rotatable latching member, wherein the cylinder core and the latching member are rotationally fixedly coupled to one another by means of a coupling element and wherein the latching member is rotatable from a release position into a latching position to lock the hoop at the lock body. The padlock is characterized in that the coupling element has at least one first bearing section, one second bearing section and therebetween a shaft section between the latching member and the lock cylinder, said shaft section connecting the first bearing section to the second bearing section and having a smaller diameter than the two bearing sections.Type: ApplicationFiled: April 21, 2014Publication date: October 23, 2014Applicant: ABUS August Bremicker Söhne KGInventors: Bernhard Garthe, Wai Kuen Fan, Manuel Thomas
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Publication number: 20130014548Abstract: A rekeyable lock cylinder and a padlock with a rekeyable lock cylinder are provided. The lock cylinder includes a cylindrical core formed to receive a key and an outer casing formed around the core. A keying opening is formed within the casing wall, the keying opening allowing access to pin openings formed within the core to receive selected pins. In one embodiment, the cylinder core may be provided with one or more reconfiguration channels. Pins and springs mounted in openings formed in a spring holder connected to the casing can be removed through the one or more reconfiguration channels when the reconfiguration channels in the core align with assembly openings in the casing and the pin openings in the spring holder, thereby allowing the adaptation of the number of pins mounted in the lock cylinder to the number of cuts provided in the key.Type: ApplicationFiled: July 14, 2011Publication date: January 17, 2013Applicant: ABUS August Bremicker Soehne KGInventors: Wai Kuen Fan, Bernhard Garthe
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Publication number: 20100300165Abstract: A padlock including a lock body, a shackle having two shanks with grooves for receipt of respective locking elements, and a pin which can be rotated by a lock cylinder core for moving the locking elements into their locking position. The pin has an engagement element configured to cooperate with an entrainer formation on the lock cylinder core. The padlock also includes a blocking plate located between the pin and the lock cylinder core and which is fastened in the lock body. The blocking plate has an opening through which the entrainer formation projects into the plane of the engagement element. The opening is configured such that, on the one hand, rotational movement of the lock cylinder core is possible and, on the other hand, a marginal region of the opening forms an abutment engageable with the entrainer formation for restricting rotational movement of the lock cylinder core.Type: ApplicationFiled: May 27, 2010Publication date: December 2, 2010Applicant: ABUS AUGUST BREMICKER SOHNE KGInventors: Wai Kuen Fan, Bernhard Garthe
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Publication number: 20100050716Abstract: The invention relates to a lock cylinder for a baggage lock having a cylinder housing, furthermore having a cylinder core which is rotatable in the cylinder housing and which has a keyway with a key introduction opening and having a plurality of tumblers which are arranged in two rows which are oppositely disposed along the key channel, with the lock cylinder being able to be actuated by means of an associated dimpled key which comprises, on two mutually oppositely disposed flat sides, a respective coding section provided with dimples and a respective end section adjoining said coding section and extending up to the tip of the key, with the associated key in particular being of the type TSA006 and with the tumbler of at least one of the rows furthest from the key introduction opening being arranged in a section of the key channel which receives the dimple-free end section of the associated key.Type: ApplicationFiled: October 14, 2008Publication date: March 4, 2010Applicant: ABUS August Bremicker Soehne KGInventor: Wai Kuen Fan
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Patent number: D902008Type: GrantFiled: September 27, 2018Date of Patent: November 17, 2020Assignee: ABUS August Bremicker Söhne KGInventor: Wai Kuen Fan