| US 7,549,562 B2 | ||
| Nail pusher locating device for magazine assembly | ||
| Yi-Tsung Wu, Taipei Hsien (Taiwan); Lien-Wei Tsai, Taipei Hsien (Taiwan); Chi-Sheng Huang, Taipei Hsien (Taiwan); and Marco Laubach, Wheeling, Ill. (US) | ||
| Assigned to De Poan Pneumatic Corp., Taipei (Taiwan); and Robert Bosch Tool Corporation, Mount Prospect, Ill. (US) | ||
| Filed on Sep. 17, 2007, as Appl. No. 11/856,689. | ||
| Prior Publication US 2009/0072001 A1, Mar. 19, 2009 | ||
| Int. Cl. B25C 1/00 (2006.01); B25C 1/04 (2006.01) | ||
| U.S. Cl. 227—120 [227/109; 227/119; 227/127; 227/128] | 13 Claims |
| 1. A nail pusher locating device for a magazine assembly, comprising:
a nail pusher slidingly disposed in the magazine assembly; and
a first elastic element between the magazine assembly and the nail pusher for driving the nail pusher to move toward a top
end of the magazine assembly;
wherein the nail pusher comprises at least one bended-shaped guiding groove, the guiding groove comprising an entrance, an
exit, and a capturing notch, opening to the top end of the magazine assembly, and a ridge protruding from an inner sidewall
of the guiding groove, opposite to the capturing notch; the nail pusher further comprises a guiding flange slantwise extending
to the entrance;
the magazine assembly comprises a sway arm pivotally disposed at a tail end thereof, which comprises at least one guiding
pole corresponding to the guiding flange; and a second elastic element is provided between the tail end and the sway arm,
for driving the guiding pole to move from the entrance to the exits,
wherein the ridge partitions the inner sidewall of the guiding groove to form a front stopping notch and a rear stopping notch,
opening to the tail end of the magazine assembly.
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