Window sash actuating mechanism
AssigneeSolution Inc.
InventorRobert A. Gorrell
Life of this patent
Estimating the term…
Abstract
A mechanism for opening and closing the sash of a window which includes first and second sash brackets, a drive mechanism, first and second flexible timing belts, structure for connecting the timing belts to the sash brackets and mechanisms for connecting the two timing belts. The structure for connecting the timing belts is adjustable in length to facilitate the tensioning of the belts. Tensioning springs are also included.
Claims31
A mechanism for opening and closing the sash of a window, said mechanism including:
- a. a first sash attachment means for attachment to said window sash;
- b. a drive mechanism;
- c. an elongated flexible power transfer means connected to said drive mechanism, said flexible power transfer means having first and second ends;
- and
- d. means for interconnecting said first and second ends to each other and to said first sash attachment means, said interconnecting means including a first attachment unit connected to said first end, a second attachment unit connected to said second end, and adjustable connecting means for connecting said first and second attachment units, said adjustable means for connecting being connected to said first sash attachment means by means which permit relative movement between said adjustable means for connecting and said first sash attachment means, said adjustable means for connecting including means for adjusting distance between said first and second ends.
In a drive mechanism including a drive member having first and second portions which are parallel to each other and which move in opposite directions, a latch mechanism, said latch mechanism including a wedging member, means for rotatably supporting said wedging member between opposing parallel portions of said drive member, means for holding said wedging member in a neutral position between said parallel portions of said drive member, and means for bidirectionally biasing said wedging member into engagement with said drive member.
A window with an opening and closing mechanism, said window comprising:
- a. a frame including a movable window sash;
- b. a first sash attachment means attached to said sash;
- c. a drive mechanism secured to said frame;
- d. an elongated flexible power transfer means connected to said drive mechanism, said flexible power transfer means having first and second ends;
- and
- e. means for interconnecting said first and second ends to each other and to said first sash attachment means, said interconnecting means including a first attachment unit connected to said first end, a second attachment unit connected to said second end, and adjustable connecting means for connecting said first and second attachment units, said adjustable means for connecting being connected to said first sash attachment means by means which permit relative movement between said adjustable means for connecting and said first sash attachment memos, said adjustable means for connecting including means for adjusting distance between said first and second ends.
Dependencies are inferred from the claim text.