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Water spray nozzle control device

  • US 6,220,530 B1
  • Filed: 11/01/1999
  • Issued: 04/24/2001
  • Est. Priority Date: 11/01/1999
  • Status: Expired due to Fees
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Product Citations
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Petitions
6
Forward Citations
1
Assignment
First Claim
Patent Images

1. A water spray nozzle control device comprises:

  • a main body, a rotatable collar, a positioning shaft, a water check collar, a plunger, a water sieve device, and a water stopping washer, the main body having a channel, a hollow threaded head, a handle, and a neck disposed between the handle and the hollow threaded head, the channel receiving the water check collar, the plunger, the water sieve device, and the water stopping washer, the neck having a through hole receiving the positioning shaft, the rotatable collar having a plurality of inner teeth and two eccentric inner grooves, the rotatable collar enclosing the neck, the handle having an outer flange, a front inner stepped flange, a rear inner stepped flange, an inner threaded end portion, and a plurality of anti-skid ribs, the front inner stepped flange blocking the water check collar, the rear inner stepped flange blocking the water stopping washer, a positioning block disposed on the outer flange of the handle, the positioning shaft having a first distal end, an annular groove, a center camber, an annular recess, and a second distal end, a water stopping gasket inserted in the annular groove, an annular gasket inserted in the annular recess, the water check collar having an inner bevel, a round hole, and an enlarged circular hole communicating with the round hole, the plunger having a through aperture, a hollow cylinder, a tube disposed on a top end of the hollow cylinder, an outer bevel formed on a top portion of the hollow cylinder, and four wing plates disposed on the hollow cylinder, the tube inserted through the round hole of the water check collar, the hollow cylinder inserted in the enlarged circular hole of the water check collar, the water sieve device having a disk seat and four positioning plates, a plurality of sieve meshes formed on the disk seat, the eccentric inner grooves of the rotatable collar receiving the first distal end and the second distal end of the positioning shaft, when the rotatable collar is rotated to a close position, the rotatable collar forces the first distal end and the second distal end of the positioning shaft to move downward, the outer bevel of the plunger engages with the inner bevel of the water check collar, and the positioning block engages with one of the inner teeth, when the rotatable collar is rotated to an open position, the rotatable collar forces the first distal end and the second distal end of the positioning shaft to move upward, the center camber of the positioning shaft blocks the tube, a spacing is formed between the outer bevel of the plunger and the inner bevel of the water check collar, and the positioning block engages with one of the inner teeth.

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