ES138071U - Folding and extensible frame for bikes. (Machine-translation by Google Translate, not legally binding) - Google Patents

Folding and extensible frame for bikes. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES138071U
ES138071U ES138071U ES138071U ES138071U ES 138071 U ES138071 U ES 138071U ES 138071 U ES138071 U ES 138071U ES 138071 U ES138071 U ES 138071U ES 138071 U ES138071 U ES 138071U
Authority
ES
Spain
Prior art keywords
tube
parallel
hinge
previous
arc
Prior art date
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.)
Granted
Application number
ES138071U
Other languages
Spanish (es)
Other versions
ES138071Y (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to ES1968138071U priority Critical patent/ES138071Y/en
Publication of ES138071U publication Critical patent/ES138071U/en
Application granted granted Critical
Publication of ES138071Y publication Critical patent/ES138071Y/en
Expired legal-status Critical Current

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  • Motorcycle And Bicycle Frame (AREA)

Abstract

Foldable and extendable frame for bicycles, characterized because in a connecting tube. The bottom bracket, with the front fork support, has a hinge in its lower third; the stem of said hinge, is positioned vertically at the other end of the leaves of the hinge a screw is housed for the anchoring thereof towards the rear of the pedal axis a new tube is born, of the same dimension as the previous one, curving towards up, to stay straight while maintaining a certain inclination; in the conclusion of said tube it has two axial grooves and diametrically opposed; on each side of the birth of the previous tube two more, of smaller diameter horizontally to the key that are opening between both to continue parallel a length, practically equal to the previous one; these two tubes rotate abruptly: to continue straight and parallel upwards ending in an arc at the same time that they join; before this abrupt turn occurs, they have welded flat tracks towards the lower part, making these supports for the anchoring of the rear axle of the bicycle. The two larger diameter tubes are joined in their lower third by an arc-shaped tube in the the upper third of one of the large diameter tubes is welded to the two ends. Of another tube that extends backwards the two parallel and horizontal branches, until reaching the previously mentioned, these two arms extend parallel but describing an arc downwards, approximately ninety degrees, it is at this moment when it concludes if parallelism and join each. (Machine-translation by Google Translate, not legally binding)
ES1968138071U 1968-04-22 1968-04-22 FOLDING AND EXTENDABLE FRAME FOR BICYCLES. Expired ES138071Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1968138071U ES138071Y (en) 1968-04-22 1968-04-22 FOLDING AND EXTENDABLE FRAME FOR BICYCLES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1968138071U ES138071Y (en) 1968-04-22 1968-04-22 FOLDING AND EXTENDABLE FRAME FOR BICYCLES.

Publications (2)

Publication Number Publication Date
ES138071U true ES138071U (en) 1968-10-01
ES138071Y ES138071Y (en) 1969-04-01

Family

ID=8321447

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1968138071U Expired ES138071Y (en) 1968-04-22 1968-04-22 FOLDING AND EXTENDABLE FRAME FOR BICYCLES.

Country Status (1)

Country Link
ES (1) ES138071Y (en)

Also Published As

Publication number Publication date
ES138071Y (en) 1969-04-01

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