A quick-release locking device applicable to bycicles in general, for fixing a part mounted on a round metal tube

Assignee: Teodoro Carnielli & C SpA

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Filing: 1984-11-23

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Granted: —

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Expires: 2004-11-23

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Abstract

Abstract A quick-release locking device for a bicycle, such as a touring bicycle or exercise bicycle, for adjusting the position of a tube (11) mounted on a fixed part of the bicycle, such as the handlebars or saddle pillar, comprises a base (1) to which is fitted a cooperating bracket (5) both of which members have semi-cylindrical portions for receiving the tube (11). The base (1) is fixed permanently to the bicycle frame with respect to which the tube (11) is adjustable. A tie rod (7) passes through aligned holes (3, 6) in the semi-cylindrical base (1) and bracket (5), and is fitted at one end with a lever (10) by a transverse pivot pin (9). The lever (10) has a shaped cam which causes the two semi-cylindrical parts (1, 5) to be drawn together when the lever (10) is turned about the pivot (9) from a first or rest position to a second or clamping position.

Inventors

👤 Teodoro Carnielli

Bibliographic Details

Application Number —

Jurisdiction EP

Data Source google_patents

Last Synchronized 2026-11-07 04:26

CPC Classifications

B; B62; B62K; B62K21/00; B62K21/12; B62K21/16; B62K19/00; B62K19/30; B62K19/36

Claims Analysis

Total Claims: 5

Claim 1

Independent Claim 94 words

A quick-release locking device for a bicycle for fixing a part mounted on a round metal tube (11), characterised by the fact that it comprises a base having a concave semi-cylindrical portion (1) to which is loosely fitted a cooperating part (5) being linked to the base by means of a tie rod (7) to one end of which is pivoted a lever (10) having an eccentric cam by which the said cooperating part (5) is pressed towards the base (1) as the lever (10) is moved from a first to a second position.

Claim 2

Dependent Claim 94 words

Claim 3

Dependent Claim 76 words

A quick release locking device according to Claim 1 , characterised by the fact that the said base (1) is fixed securely to a fixed part of the bicycle which may be a touring bicycle, exercise bicycle or the like on which the part (11) (handlebars, saddle pillar or the like) mounted on round metal tube is to be locked; the said base (1) being provided in a median perimetral position with a through hole (3).

Claim 4

Dependent Claim 60 words

A quick-release locking device according to Claim 1 or Claim 2, characterised by the fact that the loosely fitted cooperating part (5) is fixed, by means of bolts or screws ( 4 ) to the said base (1), the said cooperating part (5) having in a median perimetral position, a shaped through hole (6) for receiving the tie rod (7).

Claim 5

Dependent Claim 93 words

A quick-release locking device according to any of Claims 1 to 3, characterised by the fact that the said tie rod (7) passes through the said through holes (3, 6) in the base (1) and the bracket (5) respectively and the lever (10) is pivotally connected thereto by a pivot pin (9) at a first end thereto whilst the opposite end the tie rod (4) is threaded and receives an adjusting nut (8) by which the clamping force exerted when the said lever is moved to the said second position can be adjusted.

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