Locking hinge for a folding bicycle

Details Locking hinge for a folding bicycle Locking hinge for a folding bicycle

1994-02-17

1995-08-15

Luong, Vinh T.

Machine element or mechanism

Control lever and linkage systems

Elements

745511, 280278, 280279, 280287, 403322, 403374, B62K 2112, B62K 2116, B25G 318

Patent

active

054409489

ABSTRACT:
An improved locking hinge for use in a folding bicycle is equipped with a lever arm which is in pivotal connection to a locking hook at the bottom end thereof. The locking hook also pivotally mounted onto the handlebar of a bicycle has a retaining recess which is made to engage with a locking pin mounted onto the steering stem of the bicycle so as to get a folding bicycle in use as long as the lever arm is pushed toward the erected handlebar which is put in linear alignment with the steering stem already. Besides, a securing spring plate is used to retain the lever arm in place so as to prevent the locking hook from disengagement from the locking pin as the bicycle is in use. To get the bicycle folded, the securing spring plate is lifted upwardly to permit the lever arm to pried outwardly, resulting in the locking hook disengaged with the locking pin. Then the handlebar and the steering stem are separated with each other and put side by side in a folding manner.

REFERENCES:
patent: 4433852 (1984-02-01), Hon
patent: 4911458 (1990-03-01), Lin et al.
patent: 5133224 (1992-07-01), Prins
patent: 5269550 (1993-12-01), Hon et al.
patent: 5301972 (1994-04-01), Lee
patent: 5337609 (1994-08-01), Hsu
patent: 5347883 (1994-09-01), Thony
patent: 5356237 (1994-10-01), Sung

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