Chucks or sockets – Socket type – Obliquely guided reciprocating jaws
Reexamination Certificate
2006-01-31
2006-01-31
Ashley, Boyer D. (Department: 3722)
Chucks or sockets
Socket type
Obliquely guided reciprocating jaws
Reexamination Certificate
active
06991238
ABSTRACT:
A locking drill chuck comprises a chuck body, a plurality of jaws, a nut, a nut jacket, a front sleeve, and a rear sleeve, wherein the chuck body has an axial hole at its rear end for engaging with a driving shaft of a driving means, and the rear sleeve close fits with the outer circumference of the rear end of the chuck body, the jaws are separately fitted in a plurality of corresponding inclined holes equally departed away from each other in the chuck body, the nut engages with the jaws, the locking drill chuck further comprises a locking sleeve provided between the front sleeve and the rear sleeve, and a locking assembly provided between the nut and a stop plane of the chuck body, the locking assembly comprises a locking cap, rolling members, and a locking plate, wherein the locking plate has a plurality of helical grooves with helix angle in an end plane thereof, the rolling members are received in the helical grooves, the locking cap has resilient tabs securing the locking plate together with the plurality of rolling members, and the locking sleeve securely connected to the locking plate. The locking drill chuck in accordance with the present invention is reasonable in structures, easy for assembly, steady in performance, and labor saving, convenient and reliable in operating.
REFERENCES:
patent: 1473488 (1923-11-01), McConnell
patent: 2009964 (1935-07-01), Mottlau
patent: 2292470 (1942-08-01), Ostberg
patent: 2910302 (1959-10-01), Ondeck
patent: 3807745 (1974-04-01), Bent
patent: 5145194 (1992-09-01), Huff et al.
patent: 5215317 (1993-06-01), Jordan et al.
patent: 5411275 (1995-05-01), Huff et al.
patent: 5531461 (1996-07-01), Huff et al.
patent: 5615899 (1997-04-01), Sakamaki
patent: 5669616 (1997-09-01), Ho
patent: 5816582 (1998-10-01), Steadings et al.
patent: 5984320 (1999-11-01), Nakamura
patent: 6354604 (2002-03-01), Nicolai
Li Yanzhao
Yang Guimo
Maiorana PC Christopher P.
Shandong Weida Machinery Co., Ltd.
Talbot Michael W.
LandOfFree
Locking drill chuck does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Locking drill chuck, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Locking drill chuck will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3531949