Key-controlled door lock

Claim 2

A flush mountable paddle-type lock of the character described comprising: a sheet metal mounting member provided with a recess opening into the front side having a bottom wall part having an elongated narrow slot therein, a bolt slidably supported by said mounting member and having an end portion normally projecting therefrom and a slot aligned with said slot in said bottom wall part, spring means biasing said slide bolt to a projected position with respect to said recess, a sheet metal paddle-type handle member in said recess and having a relatively planar front part normally flush with the front of said mounting member and conforming generally with the shape of a portion of said receSs in said mounting member, means pivotally connecting said handle member to said mounting member adjacent to the side at which said slide bolt projects, a metal trigger member operatively connected to said handle member and comprising a blade part projecting through said slot in said bottom wall part of said mounting member and into said slot in said slide bolt, a member movably supported adjacent to said bottom wall part and having a part movable into the path of movement of said trigger member, a key control lock mounted in said bottom wall part of said recess to one side of said handle member, and a cam carried by said key control lock selectively movable into and out of the path of movement of said member.

Claim 3

A flush mountable paddle-type lock of the character described comprising: a sheet metal mounting member provided with a recess opening into the front side including first and second portions of different depth having first and second bottom wall parts, said second bottom wall part being spaced further from the front side of the mounting member than the said first bottom wall part and having an elongated narrow slot adjacent to a side of the recess spaced from said first bottom wall part, a bolt slidably supported by said mounting member and having an end portion normally projecting therefrom and a slot aligned with said slot in said second bottom wall part, spring means biasing said slide bolt to a projected position with respect to said recess, a sheet metal paddle-type handle member in said recess and having a relatively planar front part normally flush with the front of said mounting member and conforming generally with the shape of the deeper of said portions of said recess in said mounting member, means pivotally connecting said handle member to said mounting member adjacent to the side at which said slide bolt projects, a metal trigger member operatively connected to said handle member and comprising a blade part projecting through said slot in said second bottom wall part of said mounting member and into said slot in said slide bolt, a member movably supported adjacent to said second bottom wall part and having a part movable into the path of movement of said trigger member, a key control lock mounted in said first bottom wall part of said recess in said mounting member, and a cam carried by said key control lock selectively movable into and out of the path of movement of said member.

Claim 4

A flush mountable paddle-type lock of the character described comprising: a sheet metal mounting member provided with a recess opening into the front side including first and second portions of different depth having first and second bottom wall parts, said second bottom wall part being spaced further from the front side of the mounting member than the said first bottom wall part and having an elongated narrow slot adjacent to a side of the recess spaced from said first bottom wall part, a bolt slidably supported by said mounting member and having an end portion normally projecting therefrom and a slot aligned with said slot in said second bottom wall part, spring means biasing said slide bolt to a projected position with respect to said recess, a sheet metal paddle-type handle member in said recess and having a relatively planar front part normally flush with the front of said mounting member and conforming generally with the shape of the deeper of said portions of said recess in said mounting member, means pivotally connecting said handle member to said mounting member adjacent to the side at which said slide bolt projects, a metal trigger member operatively connected to said handle member and comprising a blade part projecting through said slot in said second bottom wall part of said mounting member and into said slot in said slide bolt, a member movably supported adjacent to said second bottom wall part and having a part movable into the path of movement of said trigger member, a key control lock mounted in said first bottom wall part of said recess in said mounting member, and a cam carried by said key control lock selectively movable into and out of the path of movement of said member.

Claim 5

A flush mountable paddle-type lock of the character described comprising: a sheet metal mounting member provided with a recess opening into the front side including first and second portions of different depth having first and second bottom wall parts, said second bottom wall part being spaced further from the front side of the mounting member than said first bottom wall part and having an elongated narrow slot adjacent to the end thereof spaced from said first bottom wall part, a bolt slidably supported by said mounting member and having an end portion normally projecting therefrom and a slot aligned with said slot in said second bottom wall part, spring means biasing said slide bolt to a projected position with respect to said recess, a sheet metal paddle-type handle member in said recess and having a relatively planar front part normally flush with the front of said mounting member and conforming generally with the shape of the deeper of said portions of said recess in said mounting member, a pivot pin beneath said planar front part of said handle member pivotally connecting said handle member to said mounting member adjacent to the side at which said slide bolt projects, a metal trigger member operatively connected to said handle member and comprising a blade part projecting through said slot in said second bottom wall part of said mounting member and into said slot in said slide bolt, a member movably supported adjacent to said second bottom wall part and having one end movable into the path of movement of said trigger member, a key control lock mounted in said first botTom wall part of said recess in said mounting member, and a cam carried by said key control lock selectively movable into and out of the path of movement of said member.

Claim 6

A flush mountable paddle-type lock of the character described comprising: a sheet metal mounting member provided with a recess opening into the front side including first and second portions of different depth having first and second bottom wall parts, said second bottom wall part being spaced further from the front side of the mounting member than said first bottom wall part and having an elongated narrow slot adjacent to the end thereof spaced from said first bottom wall part, a bolt slidably supported by said mounting member and having an end portion normally projecting therefrom and a slot aligned with said slot in said second bottom wall part, spring means biasing said slide bolt to a projected position with respect to said recess, a sheet metal paddle-type handle member in said recess and having a relatively planar front part normally flush with the front of said mounting member and conforming generally with the shape of the deeper of said portions of said recess in said mounting member, a pivot pin beneath said planar front part of said handle member pivotally connecting said handle member to said mounting member adjacent to the side at which said slide bolt projects, a metal trigger member operatively connected to said handle member and comprising a blade part projecting through said slot in said second bottom wall part of said mounting member and into said slot in said slide bolt, a member movably supported adjacent to said second bottom wall part and having one end movable into the path of movement of said trigger member, a key control lock mounted in said first botTom wall part of said recess in said mounting member, and a cam carried by said key control lock selectively movable into and out of the path of movement of said member.

Claim 7

A flush mountable paddle-type lock of the character described comprising: a planar sheet metal mounting member having a generally rectangularly shaped recess opening into the front side the opposite end portions of which recess are of different depth, said recess being formed in part by two spaced parallel side wall parts connected by end wall parts and a first planar bottom wall part and a second planar bottom wall part spaced further from the front side of the mounting member than the first bottom wall part, said second bottom wall part having an elongated narrow slot adjacent to the end thereof spaced from said first bottom wall part and located midway between and parallel with said side wall parts of said recess, a channel-like sheet metal bolt housing secured to the rear side of said second bottom wall part, a bolt slidably supported in said bolt housing and having an end portion normally projecting therefrom and a slot aligned with said slot in said second bottom wall part of said mounting member, spring means biasing said slide bolt to a projected position with respect to said bolt housing, a sheet metal paddle-type handle member in said recess in said mounting member and having a relatively planar front part normally flush with the front of said mounting member and conforming generally with the shape of the deeper of said portions of said recess in said mounting member and having spaced parallel flange parts located adjacent to and parallel with said side wall parts of said mounting member and an end flange part adjacent to said end wall part of said mounting member at the deeper portion of said recess, a pivot pin beneath said planar front part of said handle member spaced a short distance from said end wall part of said mounting member at the deeper portion of said recess and extending through said parallel side wall parts of said mounting member and said flange parts of said handle member pivotally connecting said handle member to said mounting member adjacent to the end thereof at which said slide bolt projects, a metal trigger member carried by said pivot pin and comprising a blade part projecting through said slot in said second bottom wall part of said mounting member and into said slot in said slide bolt and an abutment spaced from said pivot pin engageable by said end flange part of said handle member, a member slidably supported adjacent to said second bottom wall part and having one end movable into the path of movement of said trigger member, a key control lock mounted in said first bottom wall part of said recess in said mounting member, and a cam carried by said key control lock selectively movable into and out of the path of movement of said member.

Claim 8

A flush mountable paddle-type lock of the character described comprising: a planar sheet metal mounting member having a generally rectangularly shaped recess opening into the front side the opposite end portions of which recess are of different depth, said recess being formed in part by two spaced parallel side wall parts connected by end wall parts and a first planar bottom wall part and a second planar bottom wall part spaced further from the front side of the mounting member than the first bottom wall part, said second bottom wall part having an elongated narrow slot adjacent to the end thereof spaced from said first bottom wall part and located midway between and parallel with said side wall parts of said recess, a channel-like sheet metal bolt housing secured to the rear side of said second bottom wall part, a bolt slidably supported in said bolt housing and having an end portion normally projecting therefrom and a slot aligned with said slot in said second bottom wall part of said mounting member, spring means biasing said slide bolt to a projected position with respect to said bolt housing, a sheet metal paddle-type handle member in said recess in said mounting member and having a relatively planar front part normally flush with the front of said mounting member and conforming generally with the shape of the deeper of said portions of said recess in said mounting member and having spaced parallel flange parts located adjacent to and parallel with said side wall parts of said mounting member and an end flange part adjacent to said end wall part of said mounting member at the deeper portion of said recess, a pivot pin beneath said planar front part of said handle member spaced a short distance from said end wall part of said mounting member at the deeper portion of said recess and extending through said parallel side wall parts of said mounting member and said flange parts of said handle member pivotally connecting said handle member to said mounting member adjacent to the end thereof at which said slide bolt projects, a metal trigger member carried by said pivot pin and comprising a blade part projecting through said slot in said second bottom wall part of said mounting member and into said slot in said slide bolt and an abutment spaced from said pivot pin engageable by said end flange part of said handle member, a member slidably supported adjacent to said second bottom wall part and having one end movable into the path of movement of said trigger member, a key control lock mounted in said first bottom wall part of said recess in said mounting member, and a cam carried by said key control lock selectively movable into and out of the path of movement of said member.