Lockset having keyed egg-shaped knob
AssigneeEmhart Inc.
InventorsGerard G. Adelmeyer, Gerald B. Chong
Life of this patent
Estimating the term…
Abstract
A keyed knob assembly (10) having a knob portion (12), a knob insert (14) partially received within a bore (18) formed in the knob portion (12) and a shank portion (16) partially covering the knob insert (14) is disclosed. A throughbore (48) formed in the knob insert (14) is provided which operably supports a locking cylinder assembly (42). An axial channel (50) formed in the shank portion (16) terminates at a radial slot (52) to provide a means for releasably coupling the knob,assembly (10) of the present invention to a catch (54) of a lever catch subassembly associate with the chassis of the lockset.
Claims17
A knob assembly comprising:
- a knob portion having a rear surface formed thereon and a bore extending into said knob portion from said rear surface;
- a knob insert releasably secured to said knob portion and having a first cylindrical flange received within said bore, a second cylindrical flange extending rearwardly from said first cylindrical flange, and a radial flange extending outwardly from said second cylindrical flange and engaging said rear surface, the radial flange including a first aperture formed therein adjacent said first cylindrical portion;
- and
- a shank portion having a throughbore formed therein for receiving said second cylindrical flange portion, a first cover portion adapted to engage said rear surface of said knob portion and a second cover portion extending axially away from said first cover portion, said shank portion being releasably secured to said knob portion such that said knob insert is captured therebetween.
A keyed knob assembly comprising:
- a knob portion having a rear surface formed thereon and a bore extending into said knob portion from said rear surface;
- a knob insert releasably secured to said knob portion and having a first throughbore, a first cylindrical flange received within said bore, a second cylindrical flange extending rearwardly from said first cylindrical flange, and a radial flange extending outwardly from said second cylindrical flange and engaging said rear surface, the radial flange including a first aperture formed therein adjacent said first cylindrical portion;
- a locking cylinder assembly disposed within said first throughbore such that said locking cylinder assembly is operably supported by said knob insert in said knob portion;
- and
- a shank portion having a second throughbore formed therein for receiving said second cylindrical flange portion, a first cover portion adapted to engage said rear surface of said knob portion and a second cover portion extending axially away from said first cover portion, said shank portion being releasably secured to said knob portion such that said knob insert is captured therebetween.
Dependencies are inferred from the claim text.