I'd have to disagree that there are no "votes" at Committee meetings. True that if good discussion is present, then a consensus can be arrived at and no vote may be needed. However, there may be certain circumstances, especially when dealing with expenditures, when votes may be necessary. Things like whether or not the Pack will spend money on a new PWD track or should the Pack pay for an active boy's camp who can't afford it should be voted on.
Now, who gets to vote depends on your Pack by-laws (or common practice if you don't have by-laws). In my first Pack, all registered leaders were automatically voting members of the committee. However, my new Pack has one representative from each rank designated as a voting member of the committee. Ideally, you don't want either of these situations. But I challenge anyone to come up with a committee in which all positions are filled without using Den Leaders.
In both of my instances, all other members of the committees (Treasurer, Awards, Secretary, etc) EXCEPT the Committee Chair were also voting members. You, as the CC, are the only person that can call for a vote. It isn't necessary to vote on everything. It is also important to note that if a voting member is not present for the vote, then they miss out.
Another helpful hint when facing this situation is to make sure that everyone has had their opportunity to present their side of the discussion. Though, as CC, be sure that this doesn't turn into an argument!