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US 4,528,753 AGranted
Reciprocating saw holder and housing
AssigneeRobert Bosch GmbH
InventorsGerhard Kuhlmann, Bernhard Remmele
Life of this patent
Estimating the term…
Abstract
In a motor-driven hand-held saw, the end of the reciprocating rod is clamped with the shaft of the saw blade in a locking sleeve which is displaced between a locked and released position along the elongation of the reciprocating rod and is operated from outside of a protective shield which surrounds the end of the reciprocating rod and the shaft of the saw blade connected to each other by the locking sleeve.
Claims12
A saw, particularly, a motor-driven hand-held compass saw, comprising an elongated reciprocating rod having an end portion;
- holding means on said end portion for holding an end of a flat saw blade, said end portion having a flat cross-section as viewed in the direction of advancing of the saw, said end portion being formed with a pocket for receiving the end of the saw blade, said holding means including a locking sleeve surrounding said end portion and slidable thereon in the direction of elongation of said rod for locking the end of the saw blade in said pocket or releasing the end of the saw blade from the end portion of said rod;
- a protective shield surrounding said end portion with the saw blade locked thereto;
- a work plate, said shield extending approximately up to said work plate and being provided with an elongated slot which extends in the direction of elongation of the saw blade to enable an operator to observe a cut made by the saw blade;
- and means for displacing said slidable locking sleeve from outside of the protective shield, said displacing means including a locking slide adapted to slide along said elongated slot, said locking slide including a handle and a follower pin extended from said handle through said slot towards said locking sleeve and engageable with said locking sleeve.
1 more element
Dependencies are inferred from the claim text.