Talk:Safety pin

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[Untitled][edit]

The article referenced for the $15 figure actually says that while the inventor owed his friend $15 he actually sold his patent for $400 not $15. —Preceding unsigned comment added by 67.241.14.43 (talk) 00:39, 21 September 2008 (UTC)[reply]

Wasn't it invented by the Egyptians? AllStarZ 02:42, 23 October 2006 (UTC)[reply]

Tyrone Kennedy[edit]

The article says that the safety pin was "reinvented" in 2007 - what is meant by this? Safety pins are a well-known invention as of 2007. Typically reproduction of a common and well known device is not considered "reinvention." 207.161.180.52 (talk) 18:45, 25 November 2007 (UTC)[reply]

spring pins[edit]

hey, these things are wire fibula pins. The fibula didnt neccessarily have spring loading, but often they did, but with poor non-spiral bend, they were rather complicate.. still the spiral spring is hardly the Hunt invention. Its just an engineering development to add it to the fibula. Some fibula are not spring.. rather more of a broach or belt buckle, or belt buckle style clasp... Well a belt buckle is nothing more than a penanulla .. a circle or semi circle with a pin a cross it .. the pin far longer than the diameter though.. that was because there was no clasp to hold the pin tight, so the pin had to be long and held clear of the cloth... So a fibula has the pin just long enough to go across the semi-circle ..circle,semi circle, who cares.. its a fibula because it has a clasp to hold the pin. Broad.. the arm that holds the clasp is decorative. A broach could be used to pin cloth together, or used purely as decoration. Anyway... so we could call it a spring fibula, or spring pin.. which ? Ill call it spring fibula. 101.190.68.66 (talk) 17:49, 16 June 2016 (UTC)[reply]

nappy pins[edit]

I remember from when I was a child a variant of the safety pin idea which my mum reffered to as a napppy pin. It was a large safety pin with an additional sliding mechanism added to the catch to consdeirablly reduce the chance of them coming undone accidently. Does this deserve a mention? Plugwash (talk) 01:55, 16 January 2008 (UTC) it means that they remodeled he old safety pin. does that help?![reply]

NO! Nappy pins are not defined by the sliding cover locking feature. Nappy pins are the big ones for nappies, even made with bright features so that they can be easily seen and with big ends so that they are easily held by carers hands, when that hand is also holding a babies leg or something. Sure, nappy pins are now required to have that locking feature, but spring fibula for other uses have the lock too!.

The word "safety pin" is a misnomer, its no more safe then the spring pin of the victorian era - which was single piece of wire bent over double.. one sharp to pierce cloth, the other having the clasp end.. hey its a spring fibula - or a "safety pin". In the american patents system, the name on the patent was the inventor, and the patent was valid unless someone contested it in a timely fashion (apparently. close of business the next day was plenty long enough for a greek inventor to resurrect himself and present an objection...). Vis, the Hunt Singer,etc debacle..hey same man ! Hunt invented the lock stitch which meant that the sewing machine only needed one simple needle, and not any open needle ,which catches the cloth on removal and damages it sometimes. ... or use a problematic chain stitch (chain stitches don't hold the tension in the seam.). Enough about sewing machines. Hunt invented key features of the Smith and Wesson.. they bought the patent ...

Locking cap spring fibula are in fact used for extra strength or for situations where the item may well twist and then come under reasonable load..

strength... the clasp is neccessarily of pin size dimension so as to tightly hold the end of the pin. So the locking cap can then come down over the top with its far larger dimension, eg thicker skin.
without a locking cap, a spring fibula can come apart accidentally if the load, eg nappy or cloth or chain or ribbon, is twisted around it, and with some tension... Then the pin is squashed inward and can then come back out free of the clasp...

So the locking cap blocks the pin's exit from the clasp and so it improves the fibula's ratings - it improves the load rating of the clasp - the clasp end is stronger. it improves the load rating of the spring clip feature - in terms of the likely hood of the fibula coming undone accidentally - it would take a larger force to pull the pin open - by bending the pin in improper directions and ways - than to accidentally squash the pin down - which can happen when material becomes twisted around the fibula.

it increases the required strength and agility of the fingers required to open it - the infant might be able to squash the pin in, but pinching the locking cover and then pulling the cover off is too much for an infant.. no fine motor skill or strength - if they pull with their arm, they let go of their pinch.

BTW please rename to spring fibula and redirect safety pin, modern fibula, and disambiguisationise to fibula (safety pins before the safety pin patent).

Jewlery[edit]

Alot of times theyre used by punks or cheapskates(like me) to pierce ears(and other parts) and as the the actual jewlery. for proof just google "Saftey Pin Piercing" (P.S. I could upload a pic of my piercing)♠Д narchistPig♠ (talk) 05:28, 17 February 2008 (UTC)[reply]

Are you proposing that the word "safety" be removed , since your use is distinctly unsafe and can never be safe ? 101.190.68.66 (talk) 17:50, 16 June 2016 (UTC)[reply]

Some people charge over $400 for safety pins. What a rip off! If all safety pins were at that price, I would be broke. There is NO WAY I am buying that brand of paper clips! —Preceding unsigned comment added by Qtwiki45 (talk • contribs) 23:56, 27 April 2009 (UTC)[reply]

W. R. Grace and Company[edit]

"April 10, 1849, Hunt sold the patent to W.R. Grace and Company" that would have been an amazing trick since William Grace was only 17 at the time and his WR Grace company didn't even exist until 1854.

https://en.m.wikipedia.org/wiki/W._R._Grace_and_Company Mawtino (talk) 16:47, 15 February 2024 (UTC)[reply]