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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:
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 |
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