Shaving unit

Claim 2

A shaving unit comprising cap means, first platform means, said cap means being permanently joined to said first platform means, said first platform means having a connector portion for connection of said unit to a razor handle, blade means, and guard means, said guard means comprising a guard portion for engaging the skin ahead of a cutting edge of said blade means and a second platform portion, said guard portion extending from said second platform portion, said blade means and said guard means permanently joined and disposed between said cap means and said first platform means, said blade means and said second platform portion being slidably movable in unison relative to and between said cap means and said first platform means, and a leaf spring fixed to said second platform portion proximate a rearward edge of said second platform portion and upstanding therefrom, said unit having an internal forward wall and an internal rear wall forming a chamber, said leaf spring being disposed in said chamber and engaged with said rear wall of said unit to provide a resilient restoring force in response to forces transmitted to said unit during shaving, said forward and rear walls providing stop means for limiting the movement of said leaf spring and thereby said guard means and said blade means.

Claim 3

A shaving unit in accordance with claim 1 in which said second platform portion includes a blade support portion generally coextensive with said blade means, and a spring support portion, said spring support portion extending rearwardly from a central portion of said blade support portion, said leaf spring being fixed to said spring support portion and upstanding from said spring support portion proximate a rearward edge of said spring support portion.

Claim 4

A shaving unit in accordance with claim 2 in which said leaf spring includes a central generally rigid portion and a flexible wing portion extending from either side thereof, said central portion being fixed to said spring support portion, said wing portions being angled toward said rear wall.

Claim 5

A shaving unit comprising cap means, first platform means, said cap means being permanently joined to said first platform means, said first platform means having a connector portion for connection of said unit to a razor handle, blade means, and guard means, said guard means comprising a guard portion for engaging the skin ahead of a cutting edge of said blade means and a second platform portion, said guard portion extending from said second platform portion, said second platform portion including a blade support portion generally coextensive with said blade means, and a spring support portion, said spring support portion extending rearwardly from a central portion of said blade portion, said blade means and said guard means being permanently joined and disposed between said cap means and said first platform means, said blade means and said second platform portion being slidably moveable in unison relative to and between said cap means and said first platform means, and a leaf spring fixed to said spring support portion, said leaf spring upstanding from said spring support portion proximate a rearward edge of said spring support portion, said leaf spring including a central generally rigid portion and a flexible wing portion extending from either side thereof, said central portion being fixed to said spring support portion, said unit having an internal forward wall and an internal rear wall forming a chamber, said leaf spring being disposed in said chamber and engaged with said rear wall of said unit to provide a resilient restoring force in response to forces transmitted to said unit during shaving, said forward and rear walls providing stop means for limiting the movement of said leaf spring and thereby said guard means and said blade means.

Claim 6

A shaving unit comprising cap means, first platform means, said cap means being permanently joined to said first platform means, said first platform means having a connector portion for connection of said unit to a razor handle, blade means, and guard means, said guard means comprising a guard portion for engaging the skin ahead of a cutting edge of said blade means and a second platform portion, said guard portion extending from said second platform portion, said second platform portion including a blade support portion generally coextensive with said blade means, and a spring support portion, said spring support portion extending rearwardly from a central portion of said blade portion, said blade means and said guard means being permanently joined and disposed between said cap means and said first platform means, said blade means and said second platform portion being slidably moveable in unison relative to and between said cap means and said first platform means, and a leaf spring fixed to said spring support portion, said leaf spring upstanding from said spring support portion proximate a rearward edge of said spring support portion, said leaf spring including a central generally rigid portion and a flexible wing portion extending from either side thereof, said central portion being fixed to said spring support portion, said unit having an internal forward wall and an internal rear wall forming a chamber, said leaf spring being disposed in said chamber and engaged with said rear wall of said unit to provide a resilient restoring force in response to forces transmitted to said unit during shaving, said forward and rear walls providing stop means for limiting the movement of said leaf spring and thereby said guard means and said blade means.