Removable locking lever for a casement window

The combination of a window and locking device, the window having a frame including a jamb, and a sash having interior and exterior sides, said sash being hinged to said frame and being moveable between open and closed positions, a locking device comprising:

• a catch on the interior side of said sash,
• a cam rotatably mounted in said jamb for locking engagement with said catch when said sash is in said closed position,
• a locking lever removably attached to said cam for rotating said cam between locked and unlocked positions,
• said jamb including oppositely facing interior and exterior access openings with said catch being received in said exterior access opening and said locking lever being received in said interior access opening,
• cooperating locking means on said locking lever and said cam, and
• said locking lever including oppositely disposed inner and outer ends with said inner end being received in said interior access opening, said cooperating locking means are in alignment when said inner end is received in said interior access opening, and spring means operatively allows said cooperating lock means on said locking lever to move past said locking means on said cam when said locking lever is being received in said interior access opening, and said cooperating locking means limits removal of said locking lever from said interior access opening and limits movement relative to said cam in a direction opposite to that when said lever is being received in said interior access opening.

The combination of a window and locking device, the window having a frame including a jamb, and a sash having interior and exterior sides, said sash being hinged to said frame and being moveable between open and closed positions,

• a locking device comprising:
• a catch on the interior side of said sash,
• a cam rotatably mounted in said jamb for locking engagement with said catch when said sash is in said closed position,
• a locking lever removably attached to said cam for rotating said cam between locked and unlocked positions,
• said jamb including oppositely facing interior and exterior access openings with said cam being exposed in said exterior access openings and said locking lever being received in said interior access opening, and
• said cam in said jamb being disposed sufficiently towards said exterior access opening and remote to said interior access opening that said cam is substantially hidden from view outwardly of said interior access opening.

The combination of a window and locking device, the window having a frame including a jamb, and a sash having interior and exterior sides, said sash being hinged to said frame and being moveable between open and closed positions,

• a locking device comprising:
• a catch on the interior side of said sash,
• a cam rotatably mounted in said jamb for locking engagement with said catch when said sash is in said closed position,
• a locking lever removably attached to said cam for rotating said cam between locked and unlocked positions,
• said jamb including oppositely facing interior and exterior access openings with said catch being exposed in said exterior access openings and said locking lever being received in said interior access opening,
• cooperating lock means on said cam and said locking lever to yieldably interconnect said cam and locking lever;
• and
• said cooperating lock means being accessible and operable only through said exterior access opening whereby said locking lever may be disconnected from said cam only when said sash is in said open position giving access to said cooperating lock means through said exterior access opening.

A locking device for a casement window, comprising,

• a cam adapted to be rotatably mounted in a jamb for locking engagement with a catch on a sash when said sash is in a closed position,
• a locking lever removably attached to said cam for rotating said cam between locked and unlocked positions,
• cooperating locking means on said locking lever and said cam, and
• said locking lever including oppositely disposed inner and outer ends with said inner end being U-shaped, said U-shape being defined by a pair of spaced apart legs interconnected by a base portion forming a slot and said cam being received in said slot between said legs.

A locking device for a casement window, comprising,

• a cam rotatably adapted to be mounted in a jamb for locking engagement with a catch on a sash when said sash is in a closed position,
• a locking lever removably attached to said cam for rotating said cam between locked and unlocked positions,
• cooperating locking means on said locking lever and said cam, and
• said locking lever including oppositely disposed inner, said cooperating locking means on the locking lever biases a outer ends to spring means to thereby operatively allow said cooperating lock means on said locking lever to move past said locking means on said cam when said locking lever is being engaged by said cam, and said cooperating locking means limiting movement relative to said cam in a direction opposite to that when said lever is being engaged by said cam.