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Water-proof camera

  • US 4,383,743 A
  • Filed: 03/23/1981
  • Issued: 05/17/1983
  • Est. Priority Date: 10/27/1978
  • Status: Expired due to Term
First Claim
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1. A water-proof camera comprising:

  • (a) a camera body;

    (b) a back lid adapted to cover the back side of the camera body;

    (c) means for rotatably supporting a side end of the back lid at a side end of the camera body so that the back lid may be closed and opened, the supporting means having a first biasing means for biasing the back lid toward the front of the camera body;

    (d) an elastic water-proof member disposed at a marginal area which requires water-proof integrity between the camera body and the back lid and sandwiched between the camera body and the back lid by closure of the back lid;

    (e) a retaining member fixed at a second side end of said back lid;

    (f) a locking member provided at a second side end of the camera body to be movable between a first position and a second position, the locking member having a cam provided with a first portion and a second portion with which said restraining member is brought into contact; and

    (g) a second biasing means disposed between the camera body and the locking member, the second locking member storing its energy in response to the displacement of the locking member from the first position to the second position which displacement is caused by co-operation of the restraining member with the first portion of the cam upon closure of the back lid, and the restoring force of the second biasing means being converted to a force for biasing the back lid toward the front of the camera body by co-operation of the restraining member with the second portion of the cam,whereby when the back lid is closed the elastic water-proof member is compressed by the first and second biasing means in the thrust direction between the camera body and the back lid biased toward the front of the camera body.

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