Lock with integral pump
OwnerRobert Reevesinventor
Life of this patent
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Abstract
A lock with integral pump, comprising: a shackle, the shackle having a first end and a side portion displaced from the first end, the first end including a locking means; a hollow cylinder; a lock barrel at a first end of the hollow cylinder, the lock barrel being adapted to engage locking means in the first end of the shackle; a piston slidable within the hollow cylinder, the piston being adapted to engage the side portion of the shackle; and an air passage located within the hollow cylinder, wherein, in a lock position, the shackle and the hollow cylinder form an enclosed area by engaging the first end with the lock barrel and the side portion with the piston, and in a pump position the side portion is used to push and pull the piston within the hollow cylinder, thereby forcing air through the air passage.
Claims16
A lock with integral pump, comprising:
- a shackle, said shackle having a first end and a side portion displaced from said first end, said first end including a locking means;
- a hollow cylinder;
- a lock barrel at a first end of said hollow cylinder, said lock barrel being adapted to engage locking means in said first end of said shackle;
- a piston slidable within said hollow cylinder, said piston being adapted to engage said side portion of said shackle;
- and
- an air passage receiving air pumped by said piston,
- wherein, in a lock position, said shackle and said hollow cylinder form an enclosed area by engaging said first end with said lock barrel and said side portion with said piston, and in a pump position said side portion is used to push and pull said piston within said hollow cylinder, thereby forcing air through said air passage.
Dependencies are inferred from the claim text.