KEY-RING

KEY-RING

The utility model relates to a key ring comprising a top cover, a base, rivets, steel balls, a spring and a plurality of key rings. The inner surfaces of the top cover and the base are provided with round cam platforms. The circumference of each round cam platform is provided with a circle of concav...

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1. Verfasser: CHEN JIAMOU
Format: Patent
Sprache:eng
Schlagworte:
BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
HABERDASHERY
HUMAN NECESSITIES
JEWELLERY
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creator CHEN JIAMOU
description The utility model relates to a key ring comprising a top cover, a base, rivets, steel balls, a spring and a plurality of key rings. The inner surfaces of the top cover and the base are provided with round cam platforms. The circumference of each round cam platform is provided with a circle of concave grooves. Each round cam platform of the top cover is provided with a circle-arced groove and a semicircle concave hole. The round cam of the base is provided with a round cam tenon and a cylindrical hole provided with a spring and steel balls inside. The tenon embeds in the circle-arced groove to make the top cover form a rotating angle on the base. Both the inner surfaces of the top cover and the base are provided with slippery grooves intercommunicating with the round concave grooves which enable inserting tenons of the key ring to go in and out of the slippery grooves to achieve the purpose of dismounting and changing the key ring.
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Each round cam platform of the top cover is provided with a circle-arced groove and a semicircle concave hole. The round cam of the base is provided with a round cam tenon and a cylindrical hole provided with a spring and steel balls inside. The tenon embeds in the circle-arced groove to make the top cover form a rotating angle on the base. Both the inner surfaces of the top cover and the base are provided with slippery grooves intercommunicating with the round concave grooves which enable inserting tenons of the key ring to go in and out of the slippery grooves to achieve the purpose of dismounting and changing the key ring.</description><edition>5</edition><language>eng</language><subject>BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE ; HABERDASHERY ; HUMAN NECESSITIES ; JEWELLERY</subject><creationdate>1992</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19920812&amp;DB=EPODOC&amp;CC=CN&amp;NR=2112299U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19920812&amp;DB=EPODOC&amp;CC=CN&amp;NR=2112299U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN JIAMOU</creatorcontrib><title>KEY-RING</title><description>The utility model relates to a key ring comprising a top cover, a base, rivets, steel balls, a spring and a plurality of key rings. The inner surfaces of the top cover and the base are provided with round cam platforms. The circumference of each round cam platform is provided with a circle of concave grooves. Each round cam platform of the top cover is provided with a circle-arced groove and a semicircle concave hole. The round cam of the base is provided with a round cam tenon and a cylindrical hole provided with a spring and steel balls inside. The tenon embeds in the circle-arced groove to make the top cover form a rotating angle on the base. Both the inner surfaces of the top cover and the base are provided with slippery grooves intercommunicating with the round concave grooves which enable inserting tenons of the key ring to go in and out of the slippery grooves to achieve the purpose of dismounting and changing the key ring.</description><subject>BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE</subject><subject>HABERDASHERY</subject><subject>HUMAN NECESSITIES</subject><subject>JEWELLERY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODwdo3UDfL0c-dhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfHOfkaGhkZGlpahocZEKAEA8UIbOQ</recordid><startdate>19920812</startdate><enddate>19920812</enddate><creator>CHEN JIAMOU</creator><scope>EVB</scope></search><sort><creationdate>19920812</creationdate><title>KEY-RING</title><author>CHEN JIAMOU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN2112299UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE</topic><topic>HABERDASHERY</topic><topic>HUMAN NECESSITIES</topic><topic>JEWELLERY</topic><toplevel>online_resources</toplevel><creatorcontrib>CHEN JIAMOU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHEN JIAMOU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>KEY-RING</title><date>1992-08-12</date><risdate>1992</risdate><abstract>The utility model relates to a key ring comprising a top cover, a base, rivets, steel balls, a spring and a plurality of key rings. The inner surfaces of the top cover and the base are provided with round cam platforms. The circumference of each round cam platform is provided with a circle of concave grooves. Each round cam platform of the top cover is provided with a circle-arced groove and a semicircle concave hole. The round cam of the base is provided with a round cam tenon and a cylindrical hole provided with a spring and steel balls inside. The tenon embeds in the circle-arced groove to make the top cover form a rotating angle on the base. Both the inner surfaces of the top cover and the base are provided with slippery grooves intercommunicating with the round concave grooves which enable inserting tenons of the key ring to go in and out of the slippery grooves to achieve the purpose of dismounting and changing the key ring.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record>
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subjects BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
HABERDASHERY
HUMAN NECESSITIES
JEWELLERY
title KEY-RING
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