Resources Contact Us Home
Biasing unit for dispensing pump
T993004 Biasing unit for dispensing pump
Patent Drawings:Drawing: T993004-2    Drawing: T993004-3    
« 1 »

(2 images)

Inventor: French
Date Issued: April 1, 1980
Application: 06/047,403
Filed: June 11, 1979
Inventors: French; Floyd R. (Manchester, MO)
Primary Examiner:
Assistant Examiner:
Attorney Or Agent:
U.S. Class: 222/321.8; 222/336
Field Of Search:
International Class: B05B 11/00
U.S Patent Documents:
Foreign Patent Documents:
Other References:

Abstract: An elastomeric biasing unit for a manually operated dispensing pump of the type including a hollow, stationary piston and reciprocable piston cylinder coaxially disposed about the piston and cooperating therewith to define a variable volume pump chamber. The biasing unit, which urges the piston cylinder outward to a position of maximum pump chamber volume, has an open end in operative association with the piston cylinder and a generally closed end, providing a component of the inlet check valve, in operative association with the piston.
  Recently Added Patents
System and method for controlling device location determination
Systems and methods for simultaneously configuring multiple independent backups
Particulate filter with hydrogen sulphide block function
Center spreader adapter tool for toilet paper rolls and paper towel rolls that do not have inner cardboard tubes
Portable stand
Disk drive with a subset of sectors with reduced write-to-read gap
Semiconductor device and fabrication method
  Randomly Featured Patents
Accommodation device for ink cartridge
Magnesium anode backfills
Plant support
Animal deterrent for protecting plants
Lattice bar for electrical machinery
Burner for a gas turbine engine
Topical use of 3-phenylacetylamino-2,6-piperidinedione for treatment of skin wrinkles and hyperpigmentation
Enzyme intended for the fragmentation of N-acetylheparosan, production of preparations containing this enzyme and fragmentation process using this enzyme
Laundry cabinet
Sheet-form, curable pressure-sensitive adhesive