Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 470/3
Name: Threaded, headed fastener, or washer making: process and apparatus > Process > Assembling or disassembling fastener with element > Bolt or screw with washer
Description: Subject matter wherein the fastener comprises an externally threaded securing device having an enlargement at an end of the device structured to function as a head therefor, i.e., a bolt or screw, and further wherein the device is associated with means structured to cooperate and function with the fastener in the form of a perforated disk or annular component, i.e., a washer.










Sub-classes under this class:

Class Number Class Name Patents
470/4 By telescoping 14


Patents under this class:

Patent Number Title Of Patent Date Issued
6004214 Method of forming a device having a captured washer Dec. 21, 1999
5906544 Washer assembly apparatus May. 25, 1999
5616082 Apparatus for assembling a fastener to a washer Apr. 1, 1997
5603661 Bolt-nut assembly for railroad crossing frogs Feb. 18, 1997
4963063 Captive panel fastener Oct. 16, 1990
4957401 Threaded fastener having minimized length and weight and method to make it Sep. 18, 1990
4627166 Washer cutter Dec. 9, 1986
4435112 Fastener assembly Mar. 6, 1984
4201110 Hub nut with washer May. 6, 1980
4166311 Apparatus for trimming a cable terminal lug and assembling a fastener bolt thereon Sep. 4, 1979
4123132 Screw or nut and a captive washer Oct. 31, 1978











 
 
  Recently Added Patents
Probe card holding apparatus with probe card engagement structure
Ottoman
Method and apparatus for image sensor packaging
Washing machine
Light fixture
Image processing device, image processing method, and program
Cell surface display, screening and production of proteins of interest
  Randomly Featured Patents
Disc-handling apparatus
Method and apparatus for non-invasive blood constituent monitoring
Thermomagnetic safe arm device
Method and compositions for reversible inhibition of thermostable polymerases
Semiconductor memory card enabling continuation of processing when processing execution is interrupted due to interruption of voltage supply
Loudspeaker having a dual chamber acoustical enclosure with two external vents and one internal vent
Plant growth apparatus
Hydroxy-group containing acylated nitrogen compounds useful as additives for lubricating oil and fuel compositions
Mask cushion and frame assembly
Flat biomedical electrode with reuseable lead wire