Harold Simpson DeceasedChicago, IL

4923230, May 8, 1990

Aug 18, 1989

7/395742

Harold Simpson - Hazel Crest IL

Ashland Products Company - Chicago IL

E05C 1750

292 67

A security lock for a double-hung sash window assembly which is to be mounted on a stile of one of the sash frames to limit movement of the second sash frame relative to the one sash. The lock includes a casing adapted to be mounted within a recess formed in one of the sash frames, a faceplate of the casing having an opening therein communicating with an interior casing cavity. A tumbler pivots in the cavity and is spring biased to normally project through the opening to engage the second sash. A leaf spring is mounted completely within the casing cavity normally to bias the tumbler into its locking position, but permitting the tumbler to be retracted into the casing. The lock can be supplied as an assembled unit for installation.

4901475, Feb 20, 1990

Jul 28, 1988

7/225198

Harold Simpson - Hazel Crest IL

Ashland Products Company - Chicago IL

E05D 1522

49175

A pre-assembled latch for mounting externally on the header of a pivotal sash window of a double-hung sash window assembly. The latch includes a housing having a spring-biased latch bolt normally providing a protruding bevelled formation for engaging a guide rail of the window assembly. The housing has depending spring clip means integral therewith for retaining the latch bolt operably assembled in the housing and the latch bolt has means cooperating with the housing for retaining the spring means in biasing association with the latch bolt.

4553353, Nov 19, 1985

Apr 20, 1984

6/602386

Harold Simpson - Chicago IL

Ashland Products Company - Chicago IL

E05D 1522

49161

A latch for a pivotal window sash used in a double-hung window assembly. The latch is mounted internally in a sash frame member with its latch bolt protruding from the sash to engage in the guide rail of the master frame jamb of the window assembly. There is a finger manipulative control button external of the sash frame for releasing the bolt from said guide rail so that the window sash can be pivoted. The latch bolt is mounted under spring tension to maintain the bolt normally in a locked position.

4824154, Apr 25, 1989

Feb 10, 1988

7/154656

Harold Simpson - Hazel Crest IL

Ashland Products Company - Chicago IL

E05C 1744

292338

A security lock for a double-hung sash window assembly which is to be mounted on a stile of one of the sash frames to limit movement of the second sash frame relative to the one sash. The lock includes a casing adapted to be mounted within one of the sash frames, a faceplate of the casing having an opening therein communicating with an interior casing cavity. A tumbler pivots in the cavity and is spring biased to normally project through the opening to engage the second sash. A leaf spring is mounted within the casing cavity normally to bias the tumbler into its locking position, but permitting the tumbler to be retracted into the casing. The lock can be supplied as an assembled unit for installation.

4791756, Dec 20, 1988

Mar 11, 1988

7/166669

Harold Simpson - Hazel Crest IL

Ashland Products Company - Chicago IL

E05D 1522

49175

A latch for a pivotal window sash used in a double-hung window assembly. The latch is mounted internally in a sash frame member with its latch bolt protruding from the sash to engage in the guide rail of the main frame jamb of the window assembly. There is a finger manipulative control button external of the sash frame for releasing the bolt from said guide rail so that the window sash can be pivoted. The latch bolt is mounted under spring tension to maintain the bolt normally in a locked position. The several latch parts including the spring are maintained together in assembly as a unit to thereafter be installed in said window sash.

4622778, Nov 18, 1986

Jul 29, 1985

6/759901

Harold Simpson - Chicago IL

Ashland Products Company - Chicago IL

E05D 1522

49161

A window sash of a double-hung window assembly has framing members formed of extruded plastic material of one configuration providing a hollow formation extending therethrough and opening to the ends thereof. Support and connector members are installed internally of the framing members to form and rigidify the corner right angle butt joints therebetween. The support and connector members include internal latch means.

4837975, Jun 13, 1989

Jan 25, 1988

7/148035

Harold Simpson - Hazel Crest IL

Ashland Products Company - Chicago IL

E05D 1522

49175

A pre-assembled latch for mounting externally on the header of a pivotal sash window of a double-hung sash window assembly. The latch includes a housing having a spring-biased latch bolt normally providing a protruding bevelled formation for engaging a guide rail of the window assembly. The housing has means integral therewith for retaining the latch bolt operably assembled in the housing and the latch bolt has means cooperating with the housing for retaining the spring means in biasing association with the latch bolt.