Letter opener
OwnerKing Biu Mak, Chung Yin Ronald Mak +1inventors
InventorsKing Biu Mak, Chung Yin Ronald Mak, Chung Ming Mak
Life of this patent
Estimating the term…
Abstract
A letter opener is disclosed as including a body with a channel allowing an envelope to pass through, and a cutting blade extending into the channel, in which the body and the cutting blade are movable relative to each other to vary the position along the channel at which the cutting blade cuts the passing envelope. At least part of the channel is of a generally S shape.
Claims11
A letter opener including a body member with a channel allowing an envelope to pass through, and a cutting member extending into said channel, wherein said body member and said cutting member are movable relative to each other to vary the position along said channel at which said cutting member cuts said passing envelope, and further including a carrier that engages said cutting member and that is movable relative to said body member by a button member that includes a pin member extending through a slot of said carrier.
A letter opener including a body member with a channel allowing an envelope to pass through, and a cutting member extending into said channel, wherein said body member and said cutting member are movable relative to each other to vary the position along said channel at which said cutting member cuts said passing envelope, wherein said body member includes first and second parts which are swivellably movable relative to each other, and wherein said first part includes said channel.
Dependencies are inferred from the claim text.