F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 33/00 (2006.01) B62J 11/02 (2006.01)
Patent
CA 2307959
A tire pump, which is adapted to be secured on a bicycle, includes an elongate mounting frame, a cylinder, a piston, a hinge member, and a lever. The mounting frame has first and second ends. The cylinder has a rear end pivotally secured to the second end, and a front end spaced apart from the rear end and disposed to be proximate to the first end. The piston is disposed to reciprocate within the cylinder so as to pump air out of an outlet in the rear end to inflate a bicycle tire. The cylinder further has a piston rod with a fixed end secured to the piston in the cylinder and a coupling end extending axially and outwardly of the front end. The hinge member includes a fixed knuckle member and a movable knuckle member. The fixed knuckle member is disposed on the coupling end. The movable knuckle member has a proximate end hingedly coupled with the fixed knuckle member about a hinging axis, and a distal end disposed to swing towards and away from the rear end so as to move the piston to reciprocate within the cylinder. The lever includes a connecting end pivotally mounted on the first end of the mounting frame, a swingable grip portion, and an intermediate portion disposed to couple with the movable knuckle member so as to transmit swinging movement of the grip portion to the movable knuckle member.
Chen Pai-Chou
Gowling Lafleur Henderson Llp
LandOfFree
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