Fastener driving device with improved countersink adjusting mech

Details Fastener driving device with improved countersink adjusting mech Fastener driving device with improved countersink adjusting mech

1987-07-06

1988-08-30

Kazenske, E. R.

Elongated-member-driving apparatus

With interlock means

227130, 227156, B25C 104

Patent

active

047670436

ABSTRACT:
A portable power operated fastener driving device including a work contact assembly having a manual adjusting mechanism for adjusting the extent to which fasteners driven by the fastener driving element of the device are countersunk into the workpiece. The manual adjusting mechanism includes a manually operable member movable by manual engagement to effect an adjustment of the adjusting mechanism and a releasably lock movable between a locking position for locking the manually operable member against manual movement and a releasing position enabling the manually operable member to be manually moved. A guard assembly encloses at least a portion of the adjusting mechanism including the manually operable member. The guard assembly includes a manually operable access door movable between a closed position wherein the manually operable member is manually inaccessible within the guard assembly and an open position wherein the manually operable member is manually accessible. A mechanism is provided for moving the releasable lock between its locking and releasing positions when the access door is manually moved between its closed and open positions respectively.

REFERENCES:
patent: 3464614 (1969-09-01), Volkmann
patent: 3519186 (1970-07-01), Volkmann
patent: 3708096 (1973-01-01), Burke

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