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DE802978C - Adjustable bottom bracket for bicycles - Google Patents

Adjustable bottom bracket for bicycles

Info

Publication number
DE802978C
DE802978C DEP42178A DEP0042178A DE802978C DE 802978 C DE802978 C DE 802978C DE P42178 A DEP42178 A DE P42178A DE P0042178 A DEP0042178 A DE P0042178A DE 802978 C DE802978 C DE 802978C
Authority
DE
Germany
Prior art keywords
bottom bracket
bicycles
adjustable bottom
adjustable
steel bridge
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.)
Expired
Application number
DEP42178A
Other languages
German (de)
Inventor
Hellmuth Stellmann
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 DEP42178A priority Critical patent/DE802978C/en
Application granted granted Critical
Publication of DE802978C publication Critical patent/DE802978C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B62K19/34—Bottom brackets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Description

Das Tretlager i wird auf einer gerieften Stahlbrücke 3 im Fahrradrahmen 7 getragen und ist durch zwei Schlitzführungen 5 zu verschieben. Die Befestigung erfolgt durch zwei Muttern 6.The bottom bracket i is on a grooved steel bridge 3 in the bicycle frame 7 and can be moved by two slot guides 5. The attachment is done by two nuts 6.

Durch Lösen der beiden Muttern 6 ist das Tretlager herauszuheben oder zu verstellen, wodurch auch die Fahrradkette gespannt wird.By loosening the two nuts 6, the bottom bracket can be lifted out or to be adjusted, whereby the bicycle chain is also tensioned.

Es bedeutet 2 den gerieften Tretlagerboden und 4 die Tretkurbel.It means 2 the grooved bottom bracket and 4 the crank.

Claims (1)

PATENTANSPRUCH: Verstellbares Tretlager für Fahrräder, dadurch gekennzeichnet, daB das Tretlager (i) durch zwei Schlitzführungen (5) auf einer gerieften Stahlbrücke (3) verschiebbar befestigt ist. Angezogene Druckschriften: Deutsche Patentschrift Nr. 717 5o2.PATENT CLAIM: Adjustable bottom bracket for bicycles, characterized in that that the bottom bracket (i) through two slot guides (5) on a grooved steel bridge (3) is slidably attached. Referred publications: German patent specification No. 717 5o2.
DEP42178A 1949-05-10 1949-05-10 Adjustable bottom bracket for bicycles Expired DE802978C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP42178A DE802978C (en) 1949-05-10 1949-05-10 Adjustable bottom bracket for bicycles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP42178A DE802978C (en) 1949-05-10 1949-05-10 Adjustable bottom bracket for bicycles

Publications (1)

Publication Number Publication Date
DE802978C true DE802978C (en) 1951-02-26

Family

ID=7378390

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP42178A Expired DE802978C (en) 1949-05-10 1949-05-10 Adjustable bottom bracket for bicycles

Country Status (1)

Country Link
DE (1) DE802978C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19727052C1 (en) * 1997-06-25 1998-11-12 Den Camp Eckart Op Brake actuating device for muscle-powered vehicle esp cycle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE717502C (en) * 1938-03-06 1942-02-16 Byk Guldenwerke Chem Fab Ag Process for the production of non-settling oil and lacquer paints

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE717502C (en) * 1938-03-06 1942-02-16 Byk Guldenwerke Chem Fab Ag Process for the production of non-settling oil and lacquer paints

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19727052C1 (en) * 1997-06-25 1998-11-12 Den Camp Eckart Op Brake actuating device for muscle-powered vehicle esp cycle

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