Lock with integral pump

Details Lock with integral pump Lock with integral pump

E - Fixed Constructions

05

B

E05B 71/00 (2006.01) F04B 33/00 (2006.01)

Patent

CA 2493268

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 rigid 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 rigid side portion with the piston, and in a pump position the rigid side portion is used to push and pull the piston within the hollow cylinder, thereby forcing air through the air passage.

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